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LEENA KETONEN

TitleProfessor
InstitutionMD Anderson
DepartmentDiagnostic Radiology
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Khatua S, Cooper LJN, Sandberg DI, Ketonen L, Johnson JM, Rytting ME, Liu DD, Meador H, Trikha P, Nakkula RJ, Behbehani GK, Ragoonanan D, Gupta S, Kotrotsou A, Idris T, Shpall EJ, Rezvani K, Colen R, Zaky W, Lee DA, Gopalakrishnan V. Phase I study of intraventricular infusions of autologous ex vivo expanded NK cells in children with recurrent medulloblastoma and ependymoma. Neuro Oncol. 2020 Aug 17; 22(8):1214-1225. PMID: 32152626.
      View in: PubMed
    2. Debnam JM, Said RB, Liu HH, Sun J, Wang J, Wei W, Suki D, Mayer RR, Chi TL, Ketonen L, Guha-Thakurta N, Weinberg JS. Ventricular apparent diffusion coefficient measurements in patients with neoplastic leptomeningeal disease. Cancer Imaging. 2020 Jun 29; 20(1):41. PMID: 32600415.
      View in: PubMed
    3. Amsbaugh MJ, Mahajan A, Thall PF, McAleer MF, Paulino AC, Grosshans D, Khatua S, Ketonen L, Fontanilla H, McGovern SL. In Reply to Krishnatry and Manjali. Int J Radiat Oncol Biol Phys. 2019 06 01; 104(2):468-469. PMID: 31047634.
      View in: PubMed
    4. Ludmir EB, Mahajan A, Paulino AC, Jones JY, Ketonen LM, Su JM, Grosshans DR, McAleer MF, McGovern SL, Lassen-Ramshad YA, Adesina AM, Dauser RC, Weinberg JS, Chintagumpala MM. Increased risk of pseudoprogression among pediatric low-grade glioma patients treated with proton versus photon radiotherapy. Neuro Oncol. 2019 05 06; 21(5):686-695. PMID: 30753704.
      View in: PubMed
    5. Majd NK, Metrus NR, Santos-Pinheiro F, Trevino CR, Fuller GN, Huse JT, Chung C, Ketonen L, Anderson MD, Penas-Prado M. RBM10 truncation in astroblastoma in a patient with history of mandibular ameloblastoma: A case report. Cancer Genet. 2019 02; 231-232:41-45. PMID: 30803556.
      View in: PubMed
    6. Amsbaugh MJ, Mahajan A, Thall PF, McAleer MF, Paulino AC, Grosshans D, Khatua S, Ketonen L, Fontanilla H, McGovern SL. A Phase 1/2 Trial of Reirradiation for Diffuse Intrinsic Pontine Glioma. Int J Radiat Oncol Biol Phys. 2019 05 01; 104(1):144-148. PMID: 30610915.
      View in: PubMed
    7. Debnam JM, Chi TL, Ketonen L, Wei W, Guha-Thakurta N. Superiority of Multidetector Computed Tomography With 3-Dimensional Volume Rendering Over Plain Radiography in the Assessment of Spinal Surgical Instrumentation Complications in Patients With Cancer. J Comput Assist Tomogr. 2019 Jan/Feb; 43(1):76-84. PMID: 30211796.
      View in: PubMed
    8. Zaky W, Patil SS, Park M, Liu D, Wang WL, Wani KM, Calle S, Ketonen L, Khatua S. Ganglioglioma in children and young adults: single institution experience and review of the literature. J Neurooncol. 2018 Sep; 139(3):739-747. PMID: 29882043.
      View in: PubMed
    9. Wang B, Gogia B, Fuller GN, Ketonen LM. Embryonal Tumor with Multilayered Rosettes, C19MC-Altered: Clinical, Pathological, and Neuroimaging Findings. J Neuroimaging. 2018 09; 28(5):483-489. PMID: 29797626.
      View in: PubMed
    10. Edwards BJ, Zhang X, Sun M, Holmes HM, Ketonen L, Guha N, Khalil P, Song J, Kesler S, Shah JB, Tripathy D, Valero V, Champlin RE. Neurocognitive deficits in older patients with cancer. J Geriatr Oncol. 2018 09; 9(5):482-487. PMID: 29530493.
      View in: PubMed
    11. Patel RP, Sitton CW, Ketonen LM, Hou P, Johnson JM, Romo S, Fletcher S, Shah MN, Kerr M, Zaky W, Rytting ME, Khatua S, Sandberg DI. Phase-contrast cerebrospinal fluid flow magnetic resonance imaging in qualitative evaluation of patency of CSF flow pathways prior to infusion of chemotherapeutic and other agents into the fourth ventricle. Childs Nerv Syst. 2018 03; 34(3):481-486. PMID: 29170836.
      View in: PubMed
    12. Debnam JM, Mayer RR, Chi TL, Ketonen L, Weinberg JS, Wei W, Groves MD, Guha-Thakurta N. Most common sites on MRI of intracranial neoplastic leptomeningeal disease. J Clin Neurosci. 2017 Nov; 45:252-256. PMID: 28802798.
      View in: PubMed
    13. Sato M, Gunther JR, Mahajan A, Jo E, Paulino AC, Adesina AM, Jones JY, Ketonen LM, Su JM, Okcu MF, Khatua S, Dauser RC, Whitehead WE, Weinberg J, Chintagumpala MM. Progression-free survival of children with localized ependymoma treated with intensity-modulated radiation therapy or proton-beam radiation therapy. Cancer. 2017 Jul 01; 123(13):2570-2578. PMID: 28267208.
      View in: PubMed
    14. Gogia B, Kumar VA, Chavali LS, Ketonen L, Hunter J, Prabhu SS, Schomer D, Hayman LA. MRI venous architecture of the thalamus. J Neurol Sci. 2016 Nov 15; 370:88-93. PMID: 27772794.
      View in: PubMed
    15. Hashmi SS, Guha-Thakurta N, Ketonen L, Williams MD, Shah S, Debnam JM. Central Nervous System and Head and Neck Histiocytoses: A Comprehensive Review on the Spectrum of Imaging Findings. Neurographics (2011). 2016 Mar 01; 6(2):114-122. PMID: 30417172.
      View in: PubMed
    16. Maher OM, Khatua S, Mukherjee D, Olar A, Lazar A, Luthra R, Liu D, Wu J, Ketonen L, Zaky W. Primary intracranial soft tissue sarcomas in children, adolescents, and young adults: single institution experience and review of the literature. J Neurooncol. 2016 Mar; 127(1):155-63. PMID: 26718692.
      View in: PubMed
    17. Sandberg DI, Rytting M, Zaky W, Kerr M, Ketonen L, Kundu U, Moore BD, Yang G, Hou P, Sitton C, Cooper LJ, Gopalakrishnan V, Lee DA, Thall PF, Khatua S. Methotrexate administration directly into the fourth ventricle in children with malignant fourth ventricular brain tumors: a pilot clinical trial. J Neurooncol. 2015 Oct; 125(1):133-41. PMID: 26255071.
      View in: PubMed
    18. Gunther JR, Sato M, Chintagumpala M, Ketonen L, Jones JY, Allen PK, Paulino AC, Okcu MF, Su JM, Weinberg J, Boehling NS, Khatua S, Adesina A, Dauser R, Whitehead WE, Mahajan A. Imaging Changes in Pediatric Intracranial Ependymoma Patients Treated With Proton Beam Radiation Therapy Compared to Intensity Modulated Radiation Therapy. Int J Radiat Oncol Biol Phys. 2015 Sep 01; 93(1):54-63. PMID: 26279024.
      View in: PubMed
    19. Hamilton JD, Lin J, Ison C, Leeds NE, Jackson EF, Fuller GN, Ketonen L, Kumar AJ. Dynamic contrast-enhanced perfusion processing for neuroradiologists: model-dependent analysis may not be necessary for determining recurrent high-grade glioma versus treatment effect. AJNR Am J Neuroradiol. 2015 Apr; 36(4):686-93. PMID: 25500312.
      View in: PubMed
    20. Debnam JM, Mahfouz YM, Ketonen L, Slopis JM, McCutcheon IE, Guha-Thakurta N. Multidetector CT with 3-dimensional volume rendering in the evaluation of the spine in patients with Neurofibromatosis type 1: a retrospective review in 73 patients. Scoliosis. 2014; 9:15. PMID: 25852768.
      View in: PubMed
    21. Khatua S, Hou P, Bodiwala R, Wolff J, Hamilton J, Patil S, Zaky W, Mahajan A, Ketonen L. Preliminary experience with diffusion tensor imaging before and after re-irradiation treatments in children with progressive diffuse pontine glioma. Childs Nerv Syst. 2014 May; 30(5):925-30. PMID: 24395582.
      View in: PubMed
    22. Raslan O, Debnam JM, Ketonen L, Kumar AJ, Schellingerhout D, Wang J. Stereoscopic visualization of diffusion tensor imaging data: a comparative survey of visualization techniques. Radiol Res Pract. 2013; 2013:780916. PMID: 24251037.
      View in: PubMed
    23. Debnam JM, Ketonen L, Guha-Thakurta N. Three-Dimensional Volume-Rendered Series Complements 2D Orthogonal Multidetector Computed Tomography in the Evaluation of Abnormal Spinal Curvature in Patients at a Major Cancer Center: A Retrospective Review. ISRN Orthop. 2012; 2012:639189. PMID: 24977083.
      View in: PubMed
    24. Fontanilla HP, Pinnix CC, Ketonen LM, Woo SY, Vats TS, Rytting ME, Wolff JE, Mahajan A. Palliative reirradiation for progressive diffuse intrinsic pontine glioma. Am J Clin Oncol. 2012 Feb; 35(1):51-7. PMID: 21297433.
      View in: PubMed
    25. Subbiah V, Slopis J, Hong DS, Ketonen LM, Hamilton J, McCutcheon IE, Kurzrock R. Treatment of patients with advanced neurofibromatosis type 2 with novel molecularly targeted therapies: from bench to bedside. J Clin Oncol. 2012 Feb 10; 30(5):e64-8. PMID: 22203760.
      View in: PubMed
    26. Sedrak P, Ketonen L, Hou P, Guha-Thakurta N, Williams MD, Kurzrock R, Debnam JM. Erdheim-Chester disease of the central nervous system: new manifestations of a rare disease. AJNR Am J Neuroradiol. 2011 Dec; 32(11):2126-31. PMID: 21960492.
      View in: PubMed
    27. Subbiah V, Wolff J, Ketonen L, Ellezam B, Rytting ME. Advanced atypical teratoid/rhabdoid tumor (ATRT) treated with intensive multimodal approach shows continued response to sarcoma type salvage therapy. Pediatr Blood Cancer. 2012 May; 58(5):823-4. PMID: 21922648.
      View in: PubMed
    28. Wolff JE, Rytting ME, Vats TS, Zage PE, Ater JL, Woo S, Kuttesch J, Ketonen L, Mahajan A. Treatment of recurrent diffuse intrinsic pontine glioma: the MD Anderson Cancer Center experience. J Neurooncol. 2012 Jan; 106(2):391-7. PMID: 21858608.
      View in: PubMed
    29. Debnam JM, Chi TL, Ketonen L, Mahfouz YM, Guha-Thakurta N. Co-registration of Sequential Multidetector Computed Tomography Studies for the Evaluation of Surgical Instrumentation following Resection of Spinal Tumors. Case Rep Radiol. 2011; 2011:676410. PMID: 22606553.
      View in: PubMed
    30. Wolff JE, Rytting M, Vats T, Ater J, Mahajan A, Woo S, Ketonen L, Kuttesch J, Liu D, Thall P, Chang EL. Induction treatment for diffuse intrinsic pontine glioma, experience of M.D. Anderson Cancer Center. Anticancer Res. 2011 Jun; 31(6):2265-9. PMID: 21737651.
      View in: PubMed
    31. Raslan OA, Schellingerhout D, Fuller GN, Ketonen LM. Rosai-Dorfman disease in neuroradiology: imaging findings in a series of 10 patients. AJR Am J Roentgenol. 2011 Feb; 196(2):W187-93. PMID: 21257861.
      View in: PubMed
    32. Subbiah V, Ketonen L, Bruner JM, Nunez R, Weinberg J, Wolff JE. 99mTc-sestamibi scan differentiates tumor from other contrast enhancing tissue in choroid plexus tumors. J Pediatr Hematol Oncol. 2010 Mar; 32(2):160-2. PMID: 20168252.
      View in: PubMed
    33. Subbiah V, Huff V, Wolff JE, Ketonen L, Lang FF, Stewart J, Langford L, Herzog CE. Bilateral gonadoblastoma with dysgerminoma and pilocytic astrocytoma with WT1 GT-IVS9 mutation: A 46 XY phenotypic female with Frasier syndrome. Pediatr Blood Cancer. 2009 Dec 15; 53(7):1349-51. PMID: 19653292.
      View in: PubMed
    34. Muzzafar S, Ketonen L, Weinberg JS, Schellingerhout D. Imaging and clinical features of an intra-axial brain stem schwannoma. AJNR Am J Neuroradiol. 2010 Mar; 31(3):567-9. PMID: 19833800.
      View in: PubMed
    35. Rokes C, Ketonen LM, Fuller GN, Weinberg J, Slopis JM, Wolff JE. Imaging and spectroscopic findings in meningioangiomatosis. Pediatr Blood Cancer. 2009 Oct; 53(4):672-4. PMID: 19544396.
      View in: PubMed
    36. Debnam JM, Schellingerhout D, Kumar AJ, Ketonen L, Shah K, Hamberg LM, Hunter GJ. Multidetector CT-Guided Lumbar Puncture in Patients with Cancer. Interv Neuroradiol. 2009 Mar 31; 15(1):61-6. PMID: 20465930.
      View in: PubMed
    37. Ketonen LM, Valanne L. Neuroimaging of pediatric diseases. Semin Neurol. 2008 Sep; 28(4):558-69. PMID: 18843582.
      View in: PubMed
    38. Amini E, Roffidal T, Lee A, Fuller GN, Mahajan A, Ketonen L, Kobrinsky N, Cairo MS, Wells RJ, Wolff JE. Central neurocytoma responsive to topotecan, ifosfamide, carboplatin. Pediatr Blood Cancer. 2008 Jul; 51(1):137-40. PMID: 18338396.
      View in: PubMed
    39. Raslan O, Ketonen LM, Fuller GN, Schellingerhout D. Intracranial Rosai-Dorfman disease with relapsing spinal lesions. J Clin Oncol. 2008 Jun 20; 26(18):3087-9. PMID: 18565897.
      View in: PubMed
    40. Masoudi A, Amini E, Wolff JE, Fuller GN, Ketonen L, Mahajan A. Shrinkage of germinoma by dexamethasone only. Pediatr Blood Cancer. 2008 May; 50(5):1079. PMID: 18000859.
      View in: PubMed
    41. Zhang M, Segerer F, Ketonen L, Mahajan A, Wolff J. Prediction of tumour regrowth of pontine glioma using a two-term model. Anticancer Res. 2008 Mar-Apr; 28(2A):741-9. PMID: 18507015.
      View in: PubMed
    42. Debnam JM, Ketonen L, Hamberg LM, Hunter GJ. Current techniques used for the radiologic assessment of intracranial neoplasms. Arch Pathol Lab Med. 2007 Feb; 131(2):252-60. PMID: 17284110.
      View in: PubMed
    43. Lee PL, Yiannoutsos CT, Ernst T, Chang L, Marra CM, Jarvik JG, Richards TL, Kwok EW, Kolson DL, Simpson D, Tang CY, Schifitto G, Ketonen LM, Meyerhoff DJ, Lenkinski RE, Gonzalez RG, Navia BA. A multi-center 1H MRS study of the AIDS dementia complex: validation and preliminary analysis. J Magn Reson Imaging. 2003 Jun; 17(6):625-33. PMID: 12766890.
      View in: PubMed
    44. Ingram F, Ketonen L, Paar D, Avery E. Memory implications of a "fornix white line" in HIV infection. J NeuroAIDS. 2002; 2(3):83-90. PMID: 16873201.
      View in: PubMed
    45. Muffoletto AJ, Ketonen LM, Mader JT, Crow WN, Hadjipavlou AG. Hematogenous pyogenic facet joint infection. Spine (Phila Pa 1976). 2001 Jul 15; 26(14):1570-6. PMID: 11462088.
      View in: PubMed
    46. Hillman GR, Chang CW, Ying H, Yen J, Ketonen L, Kent TA. A fuzzy logic approach to identifying brain structures in MRI using expert anatomic knowledge. Comput Biomed Res. 1999 Dec; 32(6):503-16. PMID: 10587468.
      View in: PubMed
    47. De La Peña RC, Ketonen L, Villanueva-Meyer J. Imaging of brain tumors in AIDS patients by means of dual-isotope thallium-201 and technetium-99m sestamibi single-photon emission tomography. Eur J Nucl Med. 1998 Oct; 25(10):1404-11. PMID: 9818280.
      View in: PubMed
    48. Ketonen LM. Neuroimaging of the aging brain. Neurol Clin. 1998 Aug; 16(3):581-98. PMID: 9666038.
      View in: PubMed
    49. Valanne L, Ketonen L, Majander A, Suomalainen A, Pihko H. Neuroradiologic findings in children with mitochondrial disorders. AJNR Am J Neuroradiol. 1998 Feb; 19(2):369-77. PMID: 9504497.
      View in: PubMed
    50. Ketonen L, De la Peña RC, Villanueva-Meyer J. MR and TL-210 spect imaging with pathologic correlation for the assessment of CNS lymphoma vs. toxoplasmosis in AIDS patients. J NeuroAIDS. 1998; 2(1):21-42. PMID: 16873183.
      View in: PubMed
    51. Ketonen L, Kieburtz KD, Tuite MJ, Eskin T, Simon J. CNS lymphoma in an AIDS patient involving the posterior fornix case report. J NeuroAIDS. 1997; 1(3):43-9. PMID: 16873170.
      View in: PubMed
    52. Valanne LK, Ketonen LM, Berg MJ. Pseudoprogression of cerebral cavernous angiomas: the importance of proper magnetic resonance imaging technique. J Neuroimaging. 1996 Jul; 6(3):195-6. PMID: 8704299.
      View in: PubMed
    53. Valanne L, Paetau A, Suomalainen A, Ketonen L, Pihko H. Laminar cortical necrosis in MELAS syndrome: MR and neuropathological observations. Neuropediatrics. 1996 Jun; 27(3):154-60. PMID: 8837076.
      View in: PubMed
    54. Kieburtz K, Ketonen L, Cox C, Grossman H, Holloway R, Booth H, Hickey C, Feigin A, Caine ED. Cognitive performance and regional brain volume in human immunodeficiency virus type 1 infection. Arch Neurol. 1996 Feb; 53(2):155-8. PMID: 8639065.
      View in: PubMed
    55. Ketonen L, Kieburtz K, Kazee AM, Tuite M. Putaminal Iron Deposition
      in HIV Infection. J NeuroAIDS. 1996; 1(2):33-40. PMID: 16873163.
      View in: PubMed
    56. Sheth RD, Riggs JE, Bodenstenier JB, Gutierrez AR, Ketonen LM, Ortiz OA. Parietal occipital edema in hypertensive encephalopathy: a pathogenic mechanism. Eur Neurol. 1996; 36(1):25-8. PMID: 8719646.
      View in: PubMed
    57. Koskinen T, Valanne L, Ketonen LM, Pihko H. Infantile-onset spinocerebellar ataxia: MR and CT findings. AJNR Am J Neuroradiol. 1995 Aug; 16(7):1427-33. PMID: 7484627.
      View in: PubMed
    58. Chess MA, Barsotti JB, Chang JK, Ketonen LM, Westesson PL. Duplication of the extracranial internal carotid artery. AJNR Am J Neuroradiol. 1995 Aug; 16(7):1545-7. PMID: 7484653.
      View in: PubMed
    59. Ketonen LM, Schwid S, Valanne LK, Peterson P, Okawara S. Herpes simplex myelitis simulating neoplasm on magnetic resonance imaging. J Neuroimaging. 1995 Jul; 5(3):190-1. PMID: 7626828.
      View in: PubMed
    60. Ashton EA, Berg MJ, Parker KJ, Weisberg J, Chen CW, Ketonen L. Segmentation and feature extraction techniques, with applications to MRI head studies. Magn Reson Med. 1995 May; 33(5):670-7. PMID: 7596271.
      View in: PubMed
    61. Riggs JE, Ketonen LM, Wang DD, Valanne LK. Cerebral infarction in a child with sickle cell trait. J Child Neurol. 1995 May; 10(3):253-4. PMID: 7642903.
      View in: PubMed
    62. Valanne L, Ketonen L, Barsotti J, Peterson P, Pilcher W. Posttraumatic nonfunctioning arm. J Child Neurol. 1995 Jan; 10(1):30-1. PMID: 7769174.
      View in: PubMed
    63. Bland LI, Lapham LW, Ketonen L, Okawara SH. Acute cerebellar hemorrhage secondary to capillary telangiectasia in an infant. A case report. Arch Neurol. 1994 Nov; 51(11):1151-4. PMID: 7980112.
      View in: PubMed
    64. Ketonen L, Roddy S, Lannan M. Band heterotopia. J Child Neurol. 1994 Oct; 9(4):384-5. PMID: 7822729.
      View in: PubMed
    65. Riggs JE, Ketonen LM, Wymer JP, Barbano RL, Valanne LK, Bodensteiner JB. Acute and delayed cerebral infarction after wasp sting anaphylaxis. Clin Neuropharmacol. 1994 Aug; 17(4):384-8. PMID: 9316687.
      View in: PubMed
    66. Giang DW, Grow VM, Mooney C, Mushlin AI, Goodman AD, Mattson DH, Schiffer RB. Clinical diagnosis of multiple sclerosis. The impact of magnetic resonance imaging and ancillary testing. Rochester-Toronto Magnetic Resonance Study Group. Arch Neurol. 1994 Jan; 51(1):61-6. PMID: 8274111.
      View in: PubMed
    67. Kinnunen E, Järvinen P, Ketonen L, Sepponen R. Co-twin control study on cerebral manifestations of systemic lupus erythematosus. Acta Neurol Scand. 1993 Dec; 88(6):422-6. PMID: 8116344.
      View in: PubMed
    68. Jennings MT, Slatkin N, D'Angelo M, Ketonen L, Johnson MD, Rosenblum M, Creasy J, Tulipan N, Walker R. Neoplastic meningitis as the presentation of occult primitive neuroectodermal tumors. J Child Neurol. 1993 Oct; 8(4):306-12. PMID: 8228025.
      View in: PubMed
    69. Riggs JE, Ketonen LM, Bodensteiner JB, Benesch CG. Wasp sting-associated cerebral infarction: a role for cerebrovascular sympathetic innervation. Clin Neuropharmacol. 1993 Aug; 16(4):362-5. PMID: 8374916.
      View in: PubMed
    70. Kinnunen E, Timonen T, Pirttilä T, Kalliomäki P, Ketonen L, Matikainen E, Sepponen R, Juntunen J. Effects of recombinant alpha-2b-interferon therapy in patients with progressive MS. Acta Neurol Scand. 1993 Jun; 87(6):457-60. PMID: 8356874.
      View in: PubMed
    71. Kinnunen E, Müller K, Keto P, Ketonen L, Helve T, Sepponen R. Cerebrospinal fluid and MRI findings in three patients with multiple sclerosis and systemic lupus erythematosus. Acta Neurol Scand. 1993 May; 87(5):356-60. PMID: 8333238.
      View in: PubMed
    72. Kieburtz KD, Eskin TA, Ketonen L, Tuite MJ. Opportunistic cerebral vasculopathy and stroke in patients with the acquired immunodeficiency syndrome. Arch Neurol. 1993 Apr; 50(4):430-2. PMID: 8460966.
      View in: PubMed
    73. Schiffer RB, Giang DW, Mushlin A, Ketonen L, Joy S, Kido D, Goodman AD, Mattson DH, Mooney C. Perils and pitfalls of magnetic resonance imaging in the diagnosis of multiple sclerosis. The Rochester-Toronto MRI Study Group. J Neuroimaging. 1993 Apr; 3(2):81-8. PMID: 10148526.
      View in: PubMed
    74. Tuite M, Ketonen L, Kieburtz K, Handy B. Efficacy of gadolinium in MR brain imaging of HIV-infected patients. AJNR Am J Neuroradiol. 1993 Jan-Feb; 14(1):257-63. PMID: 8427101.
      View in: PubMed
    75. Farley TJ, Ketonen LM, Bodensteiner JB, Wang DD. Serial MRI and CT findings in infantile Krabbe disease. Pediatr Neurol. 1992 Nov-Dec; 8(6):455-8. PMID: 1476576.
      View in: PubMed
    76. Schwid S, Ketonen L, Betts R, Richfield E, Kieburtz K. Cerebrovascular complications after primary varicella-zoster infection. Lancet. 1992 Sep 12; 340(8820):669. PMID: 1355225.
      View in: PubMed
    77. Ketonen L, Riggs JE, Westesson PL. Severe unilateral white matter involvement on MR: hypothetical association with dental pain and infection. AJNR Am J Neuroradiol. 1992 Sep-Oct; 13(5):1506-7. PMID: 1414854.
      View in: PubMed
    78. Riggs JE, Ketonen LM. The initial impact of computed tomography on mortality attributed to brain tumor. J Neuroimaging. 1992 Jul; 2(3):136-8. PMID: 10147938.
      View in: PubMed
    79. Ketonen L, Tuite MJ. Brain imaging in human immunodeficiency virus infection. Semin Neurol. 1992 Mar; 12(1):57-69. PMID: 1615241.
      View in: PubMed
    80. Giang DW, Poduri KR, Eskin TA, Ketonen LM, Friedman PA, Wang DD, Herndon RM. Multiple sclerosis masquerading as a mass lesion. Neuroradiology. 1992; 34(2):150-4. PMID: 1603315.
      View in: PubMed
    81. Kieburtz K, Zettelmaier AE, Ketonen L, Tuite M, Caine ED. Manic syndrome in AIDS. Am J Psychiatry. 1991 Aug; 148(8):1068-70. PMID: 1853958.
      View in: PubMed
    82. Westesson PL, Dahlberg G, Hansson LG, Eriksson L, Ketonen L. Osseous and muscular changes after vertical ramus osteotomy. A magnetic resonance imaging study. Oral Surg Oral Med Oral Pathol. 1991 Aug; 72(2):139-45. PMID: 1923390.
      View in: PubMed
    83. Kido DK, Panzer RJ, Szumowski J, Hollander J, Ketonen LM, Monajati A, Ouriel K, Manzione JV, Dumoulin CL, Souza SP, et al. Clinical evaluation of stenosis of the carotid bifurcation with magnetic resonance angiographic techniques. Arch Neurol. 1991 May; 48(5):484-9. PMID: 2021361.
      View in: PubMed
    84. Pacini R, Simon J, Ketonen L, Kido D, Kieburtz K. Chemical-shift imaging of a spontaneous internal carotid artery dissection: case report. AJNR Am J Neuroradiol. 1991 Mar-Apr; 12(2):360-2. PMID: 1902044.
      View in: PubMed
    85. Santavuori P, Pihko H, Sainio K, Lappi M, Somer H, Haltia M, Raitta C, Ketonen L, Leisti J. Muscle-eye-brain disease and Walker-Warburg syndrome. Am J Med Genet. 1990 Jul; 36(3):371-4. PMID: 2363444.
      View in: PubMed
    86. Kinnunen E, Kauppi M, Ketonen L, Sepponen R, Tanttu J, Konttinen YT, Isomäki H. Low-field MRI in the evaluation of rheumatoid cervical spine. Comparison with neurological findings and routine plain radiography. Clin Exp Rheumatol. 1990 Jul-Aug; 8(4):365-9. PMID: 2397626.
      View in: PubMed
    87. Kieburtz KD, Ketonen L, Zettelmaier AE, Kido D, Caine ED, Simon JH. Magnetic resonance imaging findings in HIV cognitive impairment. Arch Neurol. 1990 Jun; 47(6):643-5. PMID: 2346391.
      View in: PubMed
    88. Kinnunen E, Juntunen J, Konttinen Y, Kemppinen P, Ketonen L, Kleemola M, Valle M, Koskimies S, Koskenvuo M. MS and SLE in twins of successive generations. Acta Neurol Scand. 1990 Mar; 81(3):246-9. PMID: 2353574.
      View in: PubMed
    89. Ketonen L, Totterman S, Simon JH, Foster TH, Kido DK, Szumowski J, Joy SE. A comparison of default and reduced bandwidth MR imaging of the spine at 1.5 T. AJNR Am J Neuroradiol. 1990 Jan-Feb; 11(1):9-15. PMID: 2105622.
      View in: PubMed
    90. Simon JH, Foster TH, Ketonen L, Totterman S, Szumowski J, Kido DK, Manzione JV, Joy SE. Reduced-bandwidth MR imaging of the head at 1.5 T1. Radiology. 1989 Sep; 172(3):771-5. PMID: 2772187.
      View in: PubMed
    91. Erkinjuntti T, Sulkava R, Palo J, Ketonen L. White matter low attenuation on CT in Alzheimer's disease. Arch Gerontol Geriatr. 1989 Jan; 8(1):95-104. PMID: 2653256.
      View in: PubMed
    92. Santavuori P, Somer H, Sainio K, Rapola J, Kruus S, Nikitin T, Ketonen L, Leisti J. Muscle-eye-brain disease (MEB) Brain Dev. 1989; 11(3):147-53. PMID: 2751061.
      View in: PubMed
    93. Roine RO, Hillbom M, Valle M, Haltia M, Ketonen L, Neuvonen E, Lumio J, Lähdevirta J. Fatal encephalitis caused by a bat-borne rabies-related virus. Clinical findings. Brain. 1988 Dec; 111 ( Pt 6):1505-16. PMID: 3208067.
      View in: PubMed
    94. Kinnunen E, Juntunen J, Ketonen L, Koskimies S, Konttinen YT, Salmi T, Koskenvuo M, Kaprio J. Genetic susceptibility to multiple sclerosis. A co-twin study of a nationwide series. Arch Neurol. 1988 Oct; 45(10):1108-11. PMID: 3263109.
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    95. Ojala M, Ketonen L, Palo J. The value of CT and very low field MRI in the etiological diagnosis of dizziness. Acta Neurol Scand. 1988 Jul; 78(1):26-9. PMID: 3176878.
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    96. Palo J, Ketonen L, Wikström J. A follow-up study of very low field MRI findings and clinical course in multiple sclerosis. J Neurol Sci. 1988 Apr; 84(2-3):177-87. PMID: 3379445.
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    97. Erkinjuntti T, Larsen T, Sulkava R, Ketonen L, Laaksonen R, Palo J. EEG in the differential diagnosis between Alzheimer's disease and vascular dementia. Acta Neurol Scand. 1988 Jan; 77(1):36-43. PMID: 3354310.
      View in: PubMed
    98. Riikonen R, Ketonen L, Sipponen J. Magnetic resonance imaging, evoked responses and cerebrospinal fluid findings in a follow-up study of children with optic neuritis. Acta Neurol Scand. 1988 Jan; 77(1):44-9. PMID: 3128051.
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    99. Launes J, Ketonen L. Dense middle cerebral artery sign: an indicator of poor outcome in middle cerebral artery area infarction. J Neurol Neurosurg Psychiatry. 1987 Nov; 50(11):1550-2. PMID: 3694213.
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    100. Kinnunen E, Larsen A, Ketonen L, Koskimies S, Sandström A. Evaluation of central nervous system involvement in uncomplicated optic neuritis after prolonged follow-up. Acta Neurol Scand. 1987 Aug; 76(2):147-51. PMID: 3499741.
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    101. Erkinjuntti T, Ketonen L, Sulkava R, Vuorialho M, Palo J. CT in the differential diagnosis between Alzheimer's disease and vascular dementia. Acta Neurol Scand. 1987 Apr; 75(4):262-70. PMID: 3591276.
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    102. Erkinjuntti T, Ketonen L, Sulkava R, Sipponen J, Vuorialho M, Iivanainen M. Do white matter changes on MRI and CT differentiate vascular dementia from Alzheimer's disease? J Neurol Neurosurg Psychiatry. 1987 Jan; 50(1):37-42. PMID: 3819754.
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    103. Ketonen L, Oksanen V, Kuuliala I. Preliminary experience of magnetic resonance imaging in neurosarcoidosis. Neuroradiology. 1987; 29(2):127-9. PMID: 3587585.
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    104. Ketonen L, Oksanen V, Kuuliala I, Somer H. Hypodense white matter lesions in computed tomography of neurosarcoidosis. J Comput Assist Tomogr. 1986 Mar-Apr; 10(2):181-3. PMID: 3950142.
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    105. Lumio J, Hillbom M, Roine R, Ketonen L, Haltia M, Valle M, Neuvonen E, Lähdevirta J. Human rabies of bat origin in Europe. Lancet. 1986 Feb 15; 1(8477):378. PMID: 2868310.
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    106. Ketonen L, Suoranta H. [Magnetic resonance imaging of the central nervous system]. Duodecim. 1986; 102(20):1416-26. PMID: 3769830.
      View in: PubMed
    107. Ketonen L, Gyldensted C. Lumbar disc disease evaluated by myelography and postmyelography spinal computed tomography. Neuroradiology. 1986; 28(2):144-9. PMID: 3703237.
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    108. Katevuo K, Välimäki M, Ketonen L, Lamberg BA, Pelkonen R. Computed tomography of the pituitary fossa in primary hypothyroidism. Effect of thyroxine treatment. Clin Endocrinol (Oxf). 1985 May; 22(5):617-21. PMID: 4028460.
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    109. Ketonen L, Teräväinen H, Pilke A, Katevuo K. Computed tomography in a case of ophthalmoplegia syndrome. Ann Clin Res. 1985; 17(1):37-42. PMID: 3874583.
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    110. Kovanen J, Erkinjuntti T, Iivanainen M, Ketonen L, Haltia M, Sulkava R, Sipponen JT. Cerebral MR and CT imaging in Creutzfeldt-Jakob disease. J Comput Assist Tomogr. 1985 Jan-Feb; 9(1):125-8. PMID: 3881486.
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    111. Iivanainen M, Hakola P, Erkinjuntti T, Sipponen JT, Ketonen L, Sulkava R, Sepponen RE. Cerebral MR and CT imaging in polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy. J Comput Assist Tomogr. 1984 Oct; 8(5):940-3. PMID: 6470263.
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    112. Erkinjuntti T, Sipponen JT, Iivanainen M, Ketonen L, Sulkava R, Sepponen RE. Cerebral NMR and CT imaging in dementia. J Comput Assist Tomogr. 1984 Aug; 8(4):614-8. PMID: 6736358.
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    113. Ketonen L, Koskiniemi ML. Gyriform calcification after herpes simplex virus encephalitis. J Comput Assist Tomogr. 1983 Dec; 7(6):1070-2. PMID: 6630636.
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    114. Sipponen JT, Kaste M, Ketonen L, Sepponen RE, Katevuo K, Sivula A. Serial nuclear magnetic resonance (NMR) imaging in patients with cerebral infarction. J Comput Assist Tomogr. 1983 Aug; 7(4):585-9. PMID: 6863660.
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    115. Pullicino P, Eskin T, Ketonen L. Prevalence of Binswanger's disease. Lancet. 1983 Apr 23; 1(8330):939. PMID: 6132262.
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    116. Honkasalo M, Ketonen P, Mattila S, Järvinen A, Ketonen L. An anomalous retrocaval right iliac artery in a patient with an aortic aneurysm. A case report. Acta Chir Scand. 1983; 149(7):717-9. PMID: 6650091.
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    117. Ketonen P, Meurala H, Harjola PT, Mattila S, Ketonen L. Management of arteriosclerotic aneurysms of the innominate and subclavian arteries. Scand J Thorac Cardiovasc Surg. 1983; 17(2):129-33. PMID: 6351241.
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    118. Maamies T, Luosto R, Ketonen P, Ketonen L. Surgical treatment of acute superior vena caval syndrome. A report of two cases. Scand J Thorac Cardiovasc Surg. 1982; 16(3):259-61. PMID: 7170614.
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    119. Kuuliala I, Katevuo K, Ketonen L. Metrizamide cisternography with hypocycloid and computed tomography in sellar and suprasellar lesions. Clin Radiol. 1981 Jul; 32(4):403-7. PMID: 7249516.
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    120. Ketonen P, Meurala H, Harjola PT, Mattila S, Ketonen L. Aneurysm of the inferior thyroid artery and the thyreocervical trunk. Report of four cases. Thorac Cardiovasc Surg. 1981 Feb; 29(1):60-1. PMID: 6164121.
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    121. Koskiniemi M, Ketonen L. Herpes simplex virus encephalitis: progression of lesion shown by CT. J Neurol. 1981; 225(1):9-13. PMID: 6164761.
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    122. Ekblom M, Ketonen L, Kuuliala I, Pelkonen R. Pituitary function in patients with enlarged sella turcica and primary empty sella syndrome. Acta Med Scand. 1981; 209(1-2):31-5. PMID: 7211487.
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    123. Koskiniemi M, Vaheri A, Manninen V, Valtonen S, Ketonen L, Taskinen E, Sainio K, Karli P, Haltia M. Herpes simplex virus encephalitis: new diagnostic and clinical features and results of therapy. Arch Neurol. 1980 Dec; 37(12):763-7. PMID: 6255909.
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    124. Ketonen L, Tallroth K, Taavitsainen M, Borowski MM. [Asymmetrical calcification of the pineal body, which resembles a shifting of the pineal gland]. Rofo. 1980 Jul; 133(1):105-6. PMID: 6451520.
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    125. Ketonen L, Koskiniemi ML. Computed tomography appearance of Herpes Simplex encephalitis. Clin Radiol. 1980 Mar; 31(2):161-5. PMID: 7363545.
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    126. Ketonen P, Järvinen A, Luosto R, Ketonen L. Traumatic rupture of the thoracic aorta. Scand J Thorac Cardiovasc Surg. 1980; 14(2):233-9. PMID: 7433945.
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    127. Ketonen P, Luosto R, Mattila S, Ketonen L. [The blue toe syndrome]. Duodecim. 1980; 96(11):808-11. PMID: 7215209.
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    128. Ketonen L. [Computerized tomography of the brain]. Duodecim. 1980; 96(19):1260-70. PMID: 7238358.
      View in: PubMed
    129. Arho P, Ketonen L. [Computed tomography of head injuries]. Duodecim. 1980; 96(1):39-48. PMID: 7408717.
      View in: PubMed
    130. Ketonen L, Kuuliala I. Diagnosis of primary empty sella syndrome by computed tomography. Ann Clin Res. 1979 Aug; 11(4):125-8. PMID: 517991.
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    131. Ketonen P, Ketonen L, Mattila S, Luosto R. Nonrotation anomaly of the bowel causing acute intestinal obstruction in adults. A report of two cases. Acta Chir Scand. 1979; 145(7):491-3. PMID: 539333.
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    132. Ketonen P, Luosto R, Mattila S, Nemes A, Ketonen L. Surgical experience with simultaneous bilateral carotid endarterectomies. Scand J Thorac Cardiovasc Surg. 1979; 13(3):321-6. PMID: 542836.
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    133. Ketonen L, Riihimäki E, Suoranta H, Suoranta L, Valle M. [Early experiences with computer tomography in Finland]. Duodecim. 1978; 94(23):1478-85. PMID: 729496.
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    134. Ketonen L. Computerized tomography for diagnosis of supratentorial tumors. Acta Neurol Scand Suppl. 1978; 67:153-64. PMID: 281089.
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    135. Robb HJ, Ketonen P, Ketonen L, Luosto R, Mattila S. Clinical experience with surgical treatment of chronic intestinal ischaemia. Ann Chir Gynaecol. 1978; 67(2):70-6. PMID: 677776.
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    136. Suoranta H, Virkkunen P, Laine H, Lindroos S, Ketonen L. [X-ray examination of the small intestine by the double contrast method]. Duodecim. 1978; 94(16):966-71. PMID: 688931.
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    137. Ketonen P, Virkkula L, Ketonen L, Mattila S. Recurrent small bowel obstruction caused by a benign tumor. A report of two cases. Acta Chir Scand. 1978; 144(4):261-2. PMID: 706994.
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    138. Ketonen P, Luosto R, Mattila S, Ketonen L. Surgical experience with acute arterial occlusion in the upper extremities. Ann Chir Gynaecol. 1978; 67(4):134-6. PMID: 736483.
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    139. Ketonen PE, Mattila SP, Ketonen L. Volvulus of the cecum simulating anorexia nervosa. Int Surg. 1976 Apr; 61(4):235-6. PMID: 1270228.
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    140. MRI venous architecture of the thalamus. Journal of the Neurological Sciences. 370:88-93.
    141. Progressive irradiation dementia and psychosis. Neuropsychiatry, Neuropsychology and Behavioral Neurology. 7:122-124.
    142. Primary intracranial soft tissue sarcomas in children, adolescents, and young adults. Journal of Neuro-Oncology. 127:155-163.
    143. NUCLEAR MAGNETIC RESONANCE IMAGING IN DEMENTIAS, PRELIMINARY RESULTS. Acta Neurologica Scandinavica. 69:30-31.
    144. Methotrexate administration directly into the fourth ventricle in children with malignant fourth ventricular brain tumors. Journal of Neuro-Oncology. 125:133-141.
    145. Multidetector CT-guided lumbar puncture in patients with cancer. Interventional Neuroradiology. 15:61-66.
    146. Multidetector CT with 3-dimensional volume rendering in the evaluation of the spine in patients with Neurofibromatosis type 1. Scoliosis.
    147. Muscle-eye-brain disease and Walker-Warburg syndrome (I). American Journal of Medical Genetics. 36:372-373.
    148. Progressive irradiation dementia and psychosis. Neuropsychiatry, Neuropsychology and Behavioral Neurology. 7:125-129.
    149. Segmentation and features extraction techniques, with applications to biomedical images. Proceedings - International Conference on Image Processing, ICIP. 3:726-730.
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