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ANOOP AYYAPPAN

TitleAssociate Professor
InstitutionBaylor College of Medicine
DepartmentDepartment of Radiology
AddressOne Baylor Plaza
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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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    PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Chacko V, Radhakrishnan J, Valakkada J, Ayyappan A, Kannath S, Kumar DS, Gopalakrishnan A. Imaging and endovascular management of haemoptysis in congenital heart disease. Br J Radiol. 2025 Feb 01; 98(1166):180-193. PMID: 39585727.
      Citations:    Fields:    
    2. Kumar AA, Valakkada J, Ayyappan A, Kannath S. Basic Statistics for Radiologists: Part 1-Basic Data Interpretation and Inferential Statistics. Indian J Radiol Imaging. 2025 Jan; 35(Suppl 1):S58-S73. PMID: 39802725; PMCID: PMC11717466.
      Citations:    
    3. Sharma S, Ayyappan A, Choudhury AR, Arunachalam VS, Valakkada J. Renal vascular involvement in neurofibromatosis type 1. Pediatr Radiol. 2025 01; 55(1):210-211. PMID: 39589490.
      Citations:    Fields:    
    4. Jacob D, Babu-Ms S, Gadhinglajkar SV, Dash PK, Dharan BS, Ayyappan A. Multimodality Imaging to Redefine the Diagnosis in a Rare Case of Double Outlet Both Ventricles for Surgical Correction. J Cardiothorac Vasc Anesth. 2025 Feb; 39(2):551-552. PMID: 39613694.
      Citations:    Fields:    
    5. Sasikumar D, Bhattacharya D, Ayyappan A, Shivanesan P, Sasikumar D, Bhattacharya D, Ayyappan A, Shivanesan P. A case of large aneurysms of the coronary arteries and abdominal aorta in an infant. Eur J Cardiothorac Surg. 2024 Sep 02; 66(3). PMID: 39185996.
      Citations:    Fields:    Translation:Humans
    6. Jayanandaiah A, Ayyappan A, Paramasivan NK, Narasimhaiah D, Sreedharan SE, Thulaseedharan JV, Sylaja PN. Diagnostic accuracy of carotid plaque magnetic resonance imaging compared to histopathology in symptomatic carotid artery stenosis. J Clin Neurosci. 2024 Oct; 128:110802. PMID: 39163700.
      Citations:    Fields:    Translation:Humans
    7. Adhikari U, Gurajala V, Raja PD, Ayyappan A, Narasimhaiah D, Gopalakrishnan A. Asplenia in left isomerism. Ann Pediatr Cardiol. 2024 Mar-Apr; 17(2):134-136. PMID: 39184122; PMCID: PMC11343397.
      Citations:    
    8. Kym CR, Ayyappan AP, Mankidy BJ, Ghasemi-Rad M. Image-guided aspiration of a cystic mediastinal teratoma: A case report and literature review. Radiol Case Rep. 2024 Aug; 19(8):3465-3469. PMID: 38872748; PMCID: PMC11169072.
      Citations:    
    9. Arunachalam VS, Sharma S, Valakkada J, Ayyappan A, Radhakrishnan J, Kannath SK. Endovascular and percutaneous embolization of a giant post traumatic arteriovenous fistula of inferior epigastric vessels. CVIR Endovasc. 2024 May 06; 7(1):43. PMID: 38709345; PMCID: PMC11074072.
      Citations:    
    10. Kumar SS, Sasikumar D, Ayyappan A, Krishnamoorthy KM, Dharan BS. ALCAPA - the great masquerader. Acta Cardiol. 2024 Sep; 79(7):841-843. PMID: 38511526.
      Citations:    Fields:    
    11. Arunachalam VS, Valakkada J, Ayyappan A. Inadvertent Hepatic Arterial Cannulation during Transjugular Intrahepatic Portosystemic Shunt Creation. J Vasc Interv Radiol. 2024 Mar; 35(3):483-484. PMID: 38395476.
      Citations: 1     Fields:    Translation:Humans
    12. Radhakrishnan J, Valakkada J, Ayyappan A, Bellala PK. Corkscrew Mesenteric Arteries and Tortuous Descending Aorta in Autosomal Recessive Cutis Laxa. Radiol Cardiothorac Imaging. 2023 Dec; 5(6):e230138. PMID: 38166335; PMCID: PMC11163237.
      Citations:    Fields:    Translation:Humans
    13. Arunachalam VS, Valakkada J, Ayyappan A. Holt-Oram Syndrome with Pulmonary Involvement-A Valuable Algorithm to Follow. Indian J Radiol Imaging. 2024 Apr; 34(2):347-350. PMID: 38549904; PMCID: PMC10972646.
      Citations:    
    14. Mondy VC, Ayyappan A, Valakkada J, Bhattacharya D, Sasidharan B. Aorto-Left Ventricular Tunnel-An Uncommon Entity. Indian J Radiol Imaging. 2024 Jan; 34(1):160-162. PMID: 38106848; PMCID: PMC10723962.
      Citations:    
    15. Jayakrishanan R, Valakkada J, Ayyappan A, Poyuran R, Pitchai S. Femoral Vein Intravascular Synovial Sarcoma Mimicking Primary Deep Vein Thrombosis-A Rare Cause of Deep Vein Thrombosis. Indian J Radiol Imaging. 2024 Jan; 34(1):156-159. PMID: 38106856; PMCID: PMC10723955.
      Citations:    
    16. Mankidy BJ, Mohammad G, Trinh K, Ayyappan AP, Huang Q, Bujarski S, Jafferji MS, Ghanta R, Hanania AN, Lazarus DR. High risk lung nodule: A multidisciplinary approach to diagnosis and management. Respir Med. 2023 08; 214:107277. PMID: 37187432.
      Citations:    Fields:    Translation:Humans
    17. Kakarla S, Sasikumar D, Ayyappan A. Tetralogy of Fallot with aortic stenosis and common arterial trunk: Is there a morphological overlap? Ann Pediatr Cardiol. 2023 Jan-Feb; 16(1):61-64. PMID: 37287845; PMCID: PMC10243663.
      Citations:    
    18. Bhattacharya D, Gopalakrishnan A, Sasikumar D, Ayyappan A, Kurup HK, Menon S, Krishnamoorthy KM. Recurrent pericardial effusion in a boy: A clue to underlying pericardial and pulmonary lymphangiectasia. Ann Pediatr Cardiol. 2022 Jul-Aug; 15(4):412-414. PMID: 36935824; PMCID: PMC10015394.
      Citations:    
    19. Ayyappan A, Valakkada J, Bursupalle MR, Kannath SK, Pitchai S. Double-barrel plugging in a recurrent aorto-enteric fistula. Indian J Thorac Cardiovasc Surg. 2022 Jul; 38(4):422-425. PMID: 35756567; PMCID: PMC9218023.
      Citations:    
    20. Dadhania D, Valakkada J, Ayyappan A, Kannath S. Role of imaging and endovascular radiology in endoscopically missed Dieulafoy's lesion of stomach - A case report with review. BJR Case Rep. 2022 Mar; 7(6):20210117. PMID: 35300227; PMCID: PMC8906150.
      Citations:    
    21. Alex A, Ayyappan A, Valakkada J, Kramadhari H, Sasikumar D, Menon S. Major Aortopulmonary Collateral Arteries. Radiol Cardiothorac Imaging. 2022 Feb; 4(1):e210157. PMID: 35782757; PMCID: PMC8893210.
      Citations:    
    22. Giridhara P, Poonia A, Kumar DS, Ayyappan A, Krishnamoorthy KM, Sivasubramonian S, Valaparambil A. Postoperative Aortic Regurgitation in Outflow Ventricular Septal Defect: Determinants of Outcome. Semin Thorac Cardiovasc Surg. 2022; 34(2):680-688. PMID: 34555492.
      Citations:    Fields:    Translation:Humans
    23. Sasikumar D, Valakkada J, Kramadhari H, Ayyappan A, Krishnamoorthy KM. Novel transcatheter treatment for staged closure of Abernethy malformation with portal hypoplasia. Ann Pediatr Cardiol. 2021 Jul-Sep; 14(3):419-421. PMID: 34667420; PMCID: PMC8457293.
      Citations:    
    24. Kramdhari H, Valakkada J, Ayyappan A. Diagnosis and endovascular management of pulmonary arteriovenous malformations. Br J Radiol. 2021 Jul 01; 94(1123):20200695. PMID: 34038182; PMCID: PMC8248199.
      Citations: 1     Fields:    Translation:Humans
    25. Azeez AM, Babu S, Sharmila S, Sukesan S, Ayyappan A, Dharan BS. Single collateral artery from descending thoracic aorta supplying pulmonary circulation-Computed tomography and echocardiographic images. Echocardiography. 2021 03; 38(3):508-510. PMID: 33599343.
      Citations:    Fields:    Translation:Humans
    26. Alex A, Ayyappan A, Valakkada J, Pillai VV, Sreekantan R, Poyuran R. Pericardial pseudocyst along atrioventricular groove. BJR Case Rep. 2021 Apr 01; 7(2):20200122. PMID: 33841901; PMCID: PMC8008468.
      Citations:    
    27. Sasikumar D, Ayyappan A, Valakkada J, Krishnamoorthy KM. Diagnosing pulmonary arteriovenous malformations in the presence of atrial septal defect and anomalous pulmonary venous drainage-An imaging challenge. Echocardiography. 2020 09; 37(9):1492-1494. PMID: 32757403.
      Citations:    Fields:    Translation:Humans
    28. Sasikumar D, Sasidharan B, Rashid A, Ayyappan A, Goplakrishnan A, Krishnamoorthy KM, Sivasubramonian S. Early and late outcome of covered and non-covered stents in the treatment of coarctation of aorta- A single centre experience. Indian Heart J. 2020 Jul - Aug; 72(4):278-282. PMID: 32861383; PMCID: PMC7474103.
      Citations: 2     Fields:    Translation:Humans
    29. Ayyappan AP, Bryan BA, Galv?n DC. Correction: Regression of primary cardiac angiosarcoma and metastatic nodules following propranolol as a single agent treatment. Oncoscience. 2019 Jul; 6(7-8):367. PMID: 31608300; PMCID: PMC6768846.
      Citations:    
    30. Thompson CM, Mallawaarachchi I, Dwivedi DK, Ayyappan AP, Shokar NK, Lakshmanaswamy R, Dwivedi AK. The Association of Background Parenchymal Enhancement at Breast MRI with Breast Cancer: A Systematic Review and Meta-Analysis. Radiology. 2019 09; 292(3):552-561. PMID: 31237494.
      Citations: 6     Fields:    Translation:Humans
    31. Mani A, Gopalakrishnan A, Ayyappan A, Valaparambil A. Image of the month: Ventricular myxoma mimicking hypertrophic cardiomyopathy. Clin Med (Lond). 2019 03; 19(2):131-132. PMID: 30872295; PMCID: PMC6454353.
      Citations: 1     Fields:    Translation:Humans
    32. Ayyappan AP, Bryan BA, Galv?n DC. Regression of primary cardiac angiosarcoma and metastatic nodules following propranolol as a single agent treatment. Oncoscience. 2018 Sep; 5(9-10):264-268. PMID: 30460329; PMCID: PMC6231448.
      Citations: 3     
    33. Sasikumar D, Sasidharan B, Ayyappan A, Gopalakrishnan A, Krishnamoorthy KM. Coronary-to-pulmonary artery collaterals in pulmonary atresia. Ann Pediatr Cardiol. 2018 Sep-Dec; 11(3):328-329. PMID: 30271029; PMCID: PMC6146858.
      Citations: 1     
    34. Arunakumar P, Ayyappan A, Sasikumar D, Krishnamoorthy KM. Anomalous systemic and pulmonary veins-An unusual coexistence. Echocardiography. 2018 05; 35(5):733-734. PMID: 29648693.
      Citations:    Fields:    Translation:Humans
    35. Sasikumar D, Sasidharan B, Ayyappan A. Haemodynamic consequences following closure of an Abernethy malformation in a patient following a total cavopulmonary shunt. Cardiol Young. 2018 May; 28(5):768-770. PMID: 29463344.
      Citations: 1     Fields:    Translation:Humans
    36. Arunakumar P, Ayyappan A, Sivasubramonian S, Valaparambil A. Peripheral arterial aneurysms in a toddler. Eur Heart J Cardiovasc Imaging. 2018 02 01; 19(2):239. PMID: 29045574.
      Citations:    Fields:    Translation:Humans
    37. Arunakumar P, Sasikumar D, Ayyappan A, Ganesan V, Sivasubramonian S. Rare cause of complicated prosthetic valve endocarditis. Indian J Thorac Cardiovasc Surg. 2018 Jul; 34(3):432-434. PMID: 33060910; PMCID: PMC7525652.
      Citations:    
    38. Ayyappan A, Gopalakrishnan A, Raman KT. Partially Anomalous Pulmonary Venous Connection to Solitary and Persistent Left Superior Caval Vein in Usual Visceroatrial Arrangement. World J Pediatr Congenit Heart Surg. 2020 Jul; 11(4):NP88-NP90. PMID: 28954588.
      Citations:    Fields:    Translation:Humans
    39. Ayyappan AP, Crystal P, Torabi A, Foley BJ, Fornage BD. Imaging of fat-containing lesions of the breast: a pictorial essay. J Clin Ultrasound. 2013 Sep; 41(7):424-33. PMID: 23836049.
      Citations: 4     Fields:    Translation:Humans
    40. Figueroa-Casas JB, Brunner N, Dwivedi AK, Ayyappan AP. Accuracy of the chest radiograph to identify bilateral pulmonary infiltrates consistent with the diagnosis of acute respiratory distress syndrome using computed tomography as reference standard. J Crit Care. 2013 Aug; 28(4):352-7. PMID: 23566733.
      Citations: 16     Fields:    Translation:Humans
    41. Gaur S, Ayyappan AP, Nahleh Z. Breast metastases from an adrenocorticotropic hormone secreting thymic neuro-endocrine tumor. Breast Dis. 2013 Jan 01; 34(2):81-6. PMID: 23948804.
      Citations: 2     Fields:    Translation:Humans
    42. Jhaveri KS, Vlachou PA, Guindi M, Fischer S, Khalili K, Cleary SP, Ayyappan AP. Association of hepatic hemangiomatosis with giant cavernous hemangioma in the adult population: prevalence, imaging appearance, and relevance. AJR Am J Roentgenol. 2011 Apr; 196(4):809-15. PMID: 21427329.
      Citations: 9     Fields:    Translation:Humans
    43. Ayyappan AP, Jhaveri KS, Haider MA. Radiological assessment of mesenteric and retroperitoneal cysts in adults: is there a role for chemical shift MRI? Clin Imaging. 2011 Mar-Apr; 35(2):127-32. PMID: 21377051.
      Citations: 11     Fields:    Translation:Humans
    44. Diaz JR, Agriantonis DJ, Aguila J, Calleros JE, Ayyappan AP. Spontaneous perirenal hemorrhage: what radiologists need to know. Emerg Radiol. 2011 Aug; 18(4):329-34. PMID: 21344245.
      Citations: 10     Fields:    Translation:Humans
    45. Nahleh Z, Ebrahim V, Guerrero R, Gaur S, Ayyappan A, Padilla O. Spindle cell carcinoma of the breast: a case report and discussion. Breast Dis. 2011; 33(3):115-9. PMID: 22668813.
      Citations:    Fields:    Translation:Humans
    46. Ayyappan AP, Jhaveri KS. CT and MRI of hepatocellular carcinoma: an update. Expert Rev Anticancer Ther. 2010 Apr; 10(4):507-19. PMID: 20397916.
      Citations: 12     Fields:    Translation:Humans
    47. Ayyappan AP, Kulkarni S, Crystal P. Pregnancy-associated breast cancer: spectrum of imaging appearances. Br J Radiol. 2010 Jun; 83(990):529-34. PMID: 20335428; PMCID: PMC3473596.
      Citations:    
    48. Torres FS, Crean AM, Nguyen ET, Menezes R, Doyle D, Ayyappan AP, Abadi S, Paul N. Abolition of respiratory-motion artifact in computed tomography coronary angiography with ultrafast examinations: a comparison between 64-row and 320-row multidetector scanners. Can Assoc Radiol J. 2010 Feb; 61(1):5-12. PMID: 19819104.
      Citations: 1     Fields:    Translation:Humans
    49. Ayyappan AP, Souza CA, Seely J, Peterson R, Dennie C, Matzinger F. Ultrathin fine-needle aspiration biopsy of the lung with transfissural approach: does it increase the risk of pneumothorax? AJR Am J Roentgenol. 2008 Dec; 191(6):1725-9. PMID: 19020242.
      Citations: 10     Fields:    Translation:Humans
    50. Chatterjee P, Singh A, Ayyappan A, Nair A. Extra-adrenal retroperitoneal paraganglioma associated with duplication of inferior vena cava. J Radiol Case Rep. 2008; 2(3):25-7. PMID: 22470594; PMCID: PMC3303256.
      Citations:    Fields:    
    51. Ayyappan AP, Singh SE, Shah A. Mature cystic teratoma in the falciform ligament of the liver. J Postgrad Med. 2007 Jan-Mar; 53(1):48-9. PMID: 17244973.
      Citations:    
    52. Ayyappan AP, Thomas R, Kurian S, Christopher DJ, Cherian R. Multiple cavitating masses in an immunocompromised host with rheumatoid arthritis-related interstitial lung disease: an unusual expression of cytomegalovirus pneumonitis. Br J Radiol. 2006 Nov; 79(947):e174-6. PMID: 17065281.
      Citations:    
    53. Mammen T, Shanthakumari H, Gopi K, Lionel J, Ayyappan AP, Kekre A. Iatrogenic secondary post-partum haemorrhage: apropos of two uncommon cases. Australas Radiol. 2006 Aug; 50(4):392-4. PMID: 16884432.
      Citations:    
    54. George M, Ayyappan AP, Cherian R, Kurien M. Tracheal paraganglioma: a rare vascular neoplasm. AJR Am J Roentgenol. 2006 Aug; 187(2):W231-2. PMID: 16861518.
      Citations: 2     Fields:    Translation:Humans
    55. Kuruvilla G, Job A, Mathew J, Ayyappan AP, Jacob M. Septate fungal invasion in masked mastoiditis: a diagnostic dilemma. J Laryngol Otol. 2006 Mar; 120(3):250-2. PMID: 16460579.
      Citations:    
    56. Ayyappan AP, Govil S, Chacko A, Shanthly N. Primary lymph node gastrinoma in jejunal mesentery. Indian J Gastroenterol. 2005 Nov-Dec; 24(6):266-7. PMID: 16424631.
      Citations:    Fields:    Translation:Humans
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