Ashish Chawla, MD
Visiting Associate Professor, Radiology-Diagnostics

  • University of Colorado (University Hospital) Program, Cardiothoracic Radiology (2009)
  • University of Colorado (University Hospital) Program, Abdominal Radiology (2007)
  • University of Colorado (University Hospital) Program, Neuroradiology (2006)
Languages: English, Hindi, Punjabi
Department: Radiology-Diagnostics

Professional Titles

  • Associate Professor


  • Associate Professor (2021)
    School of Medicine, Radiology
    Basics of imaging of Interstitial Lung Diseases


  • Kumar TS, Chawla A, Anns KLT. Pulmonary amyloidosis: A close mimic of malignancy. Lung India. 2021 May-Jun;38(3):286-288. PubMed PMID: 33942759
  • Wiesemann S, Schmitter S, Demir A, Prothmann M, Schwenke C, Chawla A, von Knobelsdorff-Brenkenhoff F, Greiser A, Jin N, Bollache E, Markl M, Schulz-Menger J. Impact of sequence type and field strength (1.5, 3, and 7T) on 4D flow MRI hemodynamic aortic parameters in healthy volunteers. Magn Reson Med. 2021 Feb;85(2):721-733. PubMed PMID: 32754969
  • Chieng JSL, Singh DR, Chawla A, Peh WC. The hyperdense vessel sign in cerebral computed tomography: pearls and pitfalls. Singapore Med J. 2020 May;61(5):230-237. PubMed PMID: 32754771
  • Kumar TS, Chawla A. Osteosarcoma mimicking fibrous pleurisy with dystrophic calcification!!!. Lung India. 2020 Jan-Feb;37(1):75-76. PubMed PMID: 31898628
  • Teo T, Chawla A. The cloud sign of mass-forming intrahepatic cholangiocarcinoma. Abdom Radiol (NY). 2020 Jan;45(1):237-238. PubMed PMID: 31712866
  • Babu SB, Srinivasan S, Chung R, Chawla A, Tan HK, Lohan R. Tract sealing with normal saline after percutaneous transthoracic lung biopsies. J Med Imaging Radiat Oncol. 2020 Apr;64(2):211-214. PubMed PMID: 32037715
  • Mukherjee P, Lim TC, Chawla A, Chou H, Peh WCG. Adaptability and responsiveness: keys to operational measures in a regional hospital radiology department during the current COVID-19 pandemic. BJR Open. 2020;2(1):20200017. PubMed PMID: 33178977
  • Chawla A, Peh WCG. Reply to: underestimating the impact of erect abdominal radiographs. J Med Radiat Sci. 2019 Jun;66(2):146. PubMed PMID: 30972940
  • Leow KS, Chew KM, Chawla A, Lim TC. Sonographic assessment of musculoskeletal causes of calf pain and swelling. Emerg Radiol. 2019 Jun;26(3):349-359. PubMed PMID: 30761444
  • Bulluck H, Chan MHH, Bryant JA, Chai P, Chawla A, Chua TS, Chung YC, Fei G, Ho HH, Ho AFW, Hoe AJ, Imran SS, Lee CH, Lim SH, Liew BW, Yun PLZ, Hock MOE, Paradies V, Roe MT, Teo L, Wong AS, Wong E, Wong PE, Watson T, Chan MY, Tan JW, Hausenloy DJ. Platelet inhibition to target reperfusion injury trial: Rationale and study design. Clin Cardiol. 2019 Jan;42(1):5-12. PubMed PMID: 30421441
  • Chawla A, Lim TC, Shikhare SN, Munk PL, Peh WCG. Computer Vision Syndrome: Darkness Under the Shadow of Light. Can Assoc Radiol J. 2019 Feb;70(1):5-9. PubMed PMID: 30691563
  • Pulickal GG, Singh D, Lohan R, Chawla A. Dual-Source Dual-Energy CT in Submandibular Sialolithiasis: Reliability and Radiation Burden. AJR Am J Roentgenol. 2019 Dec;213(6):1291-1296. PubMed PMID: 31573848
  • Thoracic Imaging: Basic to Advanced
  • Chawla A, Kumar T, Mukherjee P. Antisynthetase syndrome: Initial and follow-up imaging features. Lung India. 2018 Nov-Dec;35(6):523-525. PubMed PMID: 30381565
  • Chawla A, Gaikwad V, Swarup S, Kumar T. Spontaneous rupture of hepatocellular carcinoma with tumor embolism in pulmonary arteries. Lung India. 2018 Mar-Apr;35(2):178-179. PubMed PMID: 29487260
  • Subramanian M, Chawla A, Chokkappan K, Lim T, Shenoy JN, Chin Guan Peh W. High-Resolution Computed Tomography Imaging in Conductive Hearing Loss: What to Look for?. Curr Probl Diagn Radiol. 2018 Mar - Apr;47(2):119-124. PubMed PMID: 28647062
  • Singh DR, Chawla A, Peh WC. Clinics in diagnostic imaging (184). Fat embolism syndrome (FES). Singapore Med J. 2018 Mar;59(3):159-162. PubMed PMID: 29568848
  • Krishnan V, Chawla A, Sharbidre KG, Peh WCG. Current Techniques and Clinical Applications of Computed Tomography Urography. Curr Probl Diagn Radiol. 2018 Jul - Aug;47(4):245-256. PubMed PMID: 28774661
  • Kim PK, Hong YJ, Sakuma H, Chawla A, Park JK, Park CH, Hong D, Han K, Lee JY, Hur J, Lee HJ, Kim YJ, Suh YJ, Choi BW. Myocardial Extracellular Volume Fraction and Change in Hematocrit Level: MR Evaluation by Using T1 Mapping in an Experimental Model of Anemia. Radiology. 2018 Jul;288(1):93-98. PubMed PMID: 29613847
  • Chawla A, Peh WCG. Abdominal radiographs in the emergency department: current status and controversies. J Med Radiat Sci. 2018 Dec;65(4):250-251. PubMed PMID: 30506851
  • Shikhare SN, Chawla A, Khoo RN, Peh WC. Clinics in diagnostic imaging (189). Acute phase cardiac sarcoidosis (CS). Singapore Med J. 2018 Aug;59(8):407-412. PubMed PMID: 30175371
  • Chung R, Chawla A, Shikhare S, Babu S. Trends and implications of 24/7 interventional radiology in a newly opened acute hospital. CVIR Endovasc. 2018;1(1):26. PubMed PMID: 30652157
  • Vijay K, Ashish C, Kabilan C, Heng YW, Peh WCG. Unusual presentation of lung cancer as skeletal muscle and subcutaneous metastases. Lung India. 2017 Sep-Oct;34(5):485-487. PubMed PMID: 28869242
  • Chawla A, Dubey N, Chew KM, Singh D, Gaikwad V, Peh WC. Magnetic resonance imaging of painful swollen legs in the emergency department: a pictorial essay. Emerg Radiol. 2017 Oct;24(5):577-584. PubMed PMID: 28523439
  • Chung R, Chawla A, Peh WC. Clinics in diagnostic imaging (178). Wünderlich syndrome and pseudoaneurysm. Singapore Med J. 2017 Jun;58(6):289-293. PubMed PMID: 28642963
  • Chawla A, Srinivasan S, Lim TC, Pulickal GG, Shenoy J, Peh WCG. Dual-energy CT applications in salivary gland lesions. Br J Radiol. 2017 Jun;90(1074):20160859. PubMed PMID: 28291377
  • Gaikwad V, Chawla A, Lim TC, Peh WC. Clinics in diagnostic imaging (173). Scimitar syndrome with horseshoe lung. Singapore Med J. 2017 Jan;58(1):29-33. PubMed PMID: 28111692
  • Singh D, Mukherjee P, Chawla A. Turtleback liver. Abdom Radiol (NY). 2017 Jan;42(1):326-327. PubMed PMID: 27567606
  • Singh D, Chawla A. Erratum to: The ''abdominal whirlpool'' sign. Abdom Radiol (NY). 2017 Jan;42(1):339. PubMed PMID: 27503379
  • Subramanian M, Singh D, Chawla A. The embedded organ sign. Abdom Radiol (NY). 2017 Jan;42(1):330-331. PubMed PMID: 27470508
  • Chawla A, Bosco J, Lim TC, Gaikwad V, Chung R. Systemic-pulmonary artery shunt: A rare cause of false-positive filling defect in the pulmonary arteries. J Med Imaging Radiat Oncol. 2017 Feb;61(1):82-84. PubMed PMID: 27162167
  • Chawla A, Chinchure D, Marchinkow LO, Munk PL, Peh WCG. Greening the Radiology Department: Not a Big Mountain to Climb. Can Assoc Radiol J. 2017 Aug;68(3):234-236. PubMed PMID: 28502463
  • Chawla A, Thein KY, Lau J, Shimpi T. Severe chest pain in an elderly woman. Emerg Med J. 2017 Apr;34(4):248. PubMed PMID: 28341792
  • Shimpi TR, Shikhare S, Chan DY, Peh WC, Chawla A. Vomiting-induced short gastric artery apoplexy. BJR Case Rep. 2017;3(1):20150216. PubMed PMID: 30363335
  • Chawla A, Shenoy J, Chokkappan K, Chung R. Imaging Features of Sinonasal Inverted Papilloma: A Pictorial Review. Curr Probl Diagn Radiol. 2016 Sep-Oct;45(5):347-53. PubMed PMID: 26632214
  • Chawla A, Singh D. Chest pain: a diagnostic challenge. Emerg Med J. 2016 Sep;33(9):674. PubMed PMID: 27539981
  • Chawla A, Mukherjee P, Singh D. Epigastric pain: a life-threatening condition. Emerg Med J. 2016 Nov;33(11):829-830. PubMed PMID: 28319934
  • Singh D, Chawla A. The "accordion sign". Abdom Radiol (NY). 2016 Nov;41(11):2285-2286. PubMed PMID: 27338732
  • Singh D, Chinchure D, Chawla A. The "adnexal whirlpool" sign. Abdom Radiol (NY). 2016 Nov;41(11):2287-2288. PubMed PMID: 27338730
  • Chinchure D, Singh D, Subramanian M, Chawla A. Caught in a "nutcracker". Abdom Radiol (NY). 2016 Nov;41(11):2283-2284. PubMed PMID: 27178337
  • Mukherjee P, Chawla A, Singh D, Chung R. The "gallbladder pearl necklace" sign. Abdom Radiol (NY). 2016 May;41(5):1001-2. PubMed PMID: 27193797
  • Chung JH, Peljto AL, Chawla A, Talbert JL, McKean DF, Rho BH, Fingerlin TE, Schwarz MI, Schwartz DA, Lynch DA. CT Imaging Phenotypes of Pulmonary Fibrosis in the MUC5B Promoter Site Polymorphism. Chest. 2016 May;149(5):1215-22. PubMed PMID: 26836909
  • Singh D, Chawla A. The "abdominal whirlpool" sign. Abdom Radiol (NY). 2016 Jul;41(7):1437-8. PubMed PMID: 26920004
  • Chokkappan K, Chinchure D, Chawla A, Subramanian M, Krishnan V, Narayana Shenoy J, Srinivasan S. An Approach to Various Gastric Pathologies Using an "Image Appearance-Based Classification" on Computed Tomography. Curr Probl Diagn Radiol. 2016 Jan-Feb;45(1):23-38. PubMed PMID: 26297078
  • Chawla A, Tan MO, Subramanian M, Bosco JI. The perianal "horseshoe". Abdom Radiol (NY). 2016 Jan;41(1):203-4. PubMed PMID: 26830625
  • Chawla A, Shenoy J, Lim TC, Singh D. Schematic interpretation of lateral neck radiographs of adults in the emergency department: a pictorial review. Emerg Radiol. 2016 Feb;23(1):79-87. PubMed PMID: 26527084
  • Mukherjee P, Chawla A, Lang TU. A Rare Cause of a Positive Fecal Occult Blood Test. Gastroenterology. 2016 Aug;151(2):248-9. PubMed PMID: 27376524
  • Chawla A, Babu SB, Kannivelu A, Shikhare SS, Chung R. Imaging features and transcatheter treatment of a giant pulmonary arteriovenous malformation in an elderly patient. BJR Case Rep. 2016;2(1):20150005. PubMed PMID: 30364486
  • Singh D, Chawla A. The "abdominal cocoon". Abdom Radiol (NY). 2016 Aug;41(8):1668-9. PubMed PMID: 27000863
  • Chawla A, Rajendran S, Yung WH, Babu SB, Peh WC. Chest radiography in acute aortic syndrome: pearls and pitfalls. Emerg Radiol. 2016 Aug;23(4):405-12. PubMed PMID: 27282377
  • Chawla A, Tim WL, Lim TC. The colonic thumbprinting sign. Abdom Imaging. 2015 Oct;40(7):2918-20. PubMed PMID: 26088343
  • Subramanian M, Chawla A, Chokkappan K, Liu H. Diverticulitis of the appendix, a distinctive entity: preoperative diagnosis by computed tomography. Emerg Radiol. 2015 Oct;22(5):609-12. PubMed PMID: 26041371
  • Chawla A, Ezhil Bosco JI, Lim TC, Shenoy JN, Krishnan V. Computed Tomography Features of External Auditory Canal Cholesteatoma: A Pictorial Review. Curr Probl Diagn Radiol. 2015 Nov-Dec;44(6):511-6. PubMed PMID: 26050022
  • Chawla A. Imaging in noncardiovascular thoracic emergencies: a pictorial review. Singapore Med J. 2015 Nov;56(11):604-10; quiz 611. PubMed PMID: 26668404
  • Chawla A, Gaikwad V, Dubey N, Bosco J. CT Pulmonary Angiography Features of a Hepatopulmonary Syndrome. Korean J Radiol. 2015 Jul-Aug;16(4):951-2. PubMed PMID: 26175599
  • Krishnan V, Chawla A, Wee E, Peh WC. Clinics in diagnostic imaging. 159. Jejunal intussusception due to Peutz-Jeghers syndrome. Singapore Med J. 2015 Feb;56(2):81-5; quiz 86. PubMed PMID: 25715854
  • Chung JH, Chawla A, Peljto AL, Cool CD, Groshong SD, Talbert JL, McKean DF, Brown KK, Fingerlin TE, Schwarz MI, Schwartz DA, Lynch DA. CT scan findings of probable usual interstitial pneumonitis have a high predictive value for histologic usual interstitial pneumonitis. Chest. 2015 Feb;147(2):450-459. PubMed PMID: 25317858
  • Chawla A, Bosco J, Subramanian M, Chokkapan K, Shenoy J, Lim TC. Imaging findings of swallowed dentures: a case series. Emerg Radiol. 2015 Dec;22(6):717-21. PubMed PMID: 26227416
  • Chawla A, Bosco JI, Lim TC, Srinivasan S, Teh HS, Shenoy JN. Imaging of acute cholecystitis and cholecystitis-associated complications in the emergency setting. Singapore Med J. 2015 Aug;56(8):438-43; quiz 444. PubMed PMID: 26311909
  • Jin GY, Lynch D, Chawla A, Garg K, Tammemagi MC, Sahin H, Misumi S, Kwon KS. Interstitial lung abnormalities in a CT lung cancer screening population: prevalence and progression rate. Radiology. 2013 Aug;268(2):563-71. PubMed PMID: 23513242
  • Raut AA, Naphade PS, Chawla A. Imaging of skull base: Pictorial essay. Indian J Radiol Imaging. 2012 Oct;22(4):305-16. PubMed PMID: 23833423
  • Sodani A, Chawla A, Maheshwari A, Naigaonkar M, Porwal V. Paraplegia treated with blood transfusion. Neurol India. 2012 May-Jun;60(3):328-31. PubMed PMID: 22824697
  • Kumpe DA, Bennett JL, Seinfeld J, Pelak VS, Chawla A, Tierney M. Dural sinus stent placement for idiopathic intracranial hypertension. J Neurosurg. 2012 Mar;116(3):538-48. PubMed PMID: 22149379
  • Sapre S, Agarwal R, Chawla A. Vesicouterine fistula resulting in a vesical pregnancy. Int J Gynaecol Obstet. 2012 Aug;118(2):175. PubMed PMID: 22608023
  • Chawla AJ, Tan TY, Tan GJ. Basal cell adenomas of the parotid gland: CT scan features. Eur J Radiol. 2006 May;58(2):260-5. PubMed PMID: 16414228
  • Raut AA, Nagar AM, Muzumdar D, Chawla AJ, Narlawar RS, Fattepurkar S, Bhatgadde VL. Imaging features of calvarial tuberculosis: a study of 42 cases. AJNR Am J Neuroradiol. 2004 Mar;25(3):409-14. PubMed PMID: 15037463
  • Chawla A, Patwardhan V, Maheshwari M, Wasnik A. Primary ascaridial perforation of the small intestine: sonographic diagnosis. J Clin Ultrasound. 2003 May;31(4):211-3. PubMed PMID: 12692830
  • Shah Z, Chawla A, Patkar D, Pungaonkar S. MRI in kernicterus. Australas Radiol. 2003 Mar;47(1):55-7. PubMed PMID: 12581055
  • Chawla AK, Kachnic LA, Clark JW, Willett CG. Combined modality therapy for rectal and colon cancer. Semin Oncol. 2003 Aug;30(4 Suppl 9):101-12. PubMed PMID: 12908141
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Practice Locations

University of Colorado Hospital (UCH)
12605 E. 16th Ave
Aurora, CO 80045

Hospital Affiliation
  • University of Colorado Hospital

Specialty Information

  • Diagnostic, Board Certification
Clinical Interests
My clinical interests are in imaging of Interstitial Lung Diseases, Pulmonary Embolism and neoplasms of chest.

Care Philosophy
I believe that the Radiologists play a critical role in the patient management. I like to go over each and every past examination of the patient, analyze the current exam and provide the best management advices.

Personal Interests
Education of trainees and patients

Public Speaking

General Information

  • University of Colorado (University Hospital) Program, Cardiothoracic Radiology (2009)
  • University of Colorado (University Hospital) Program, Abdominal Radiology (2007)
  • University of Colorado (University Hospital) Program, Neuroradiology (2006)
Languages: English, Hindi, Punjabi
Department: Radiology-Diagnostics