50349-Collins, Katrina

Katrina Collins, MD, MS

Assistant Professor of Clinical Pathology & Laboratory Medicine

IU Health Pathology Laboratory
350 W 11th Street, Rm 4046

Indianapolis, IN 46202


M.D. American University of Antigua
Resident in Anatomic/Clinical Pathology, Hartford Hospital, Hartford, CT
Fellow in Hematopathology, Hartford Hospital, Hartford, CT
Fellow in Surgical Pathology, The University of Texas M.D. Anderson Cancer Center, Houston, TX
Fellow in Genitourinary Pathology, Indiana University, Indianapolis, IN

Diplomate of the American Board of Pathology in Anatomic/Clinical Pathology 

Key Publications

Collins K, Sholl LM, Siegmund S, Dickson BC, Colecchia M, Michalova K, Hwang M, Ulbright TM, Kao CS, van Leenders GLH, Mehta V, Trpkov K, Yilmaz A, Cimadamore A, Matoso A, Epstein JI, Maclean F, Comperat E, Anderson WJ, Fletcher CDM, Acosta AM.  Myoid Gonadal Stromal Tumors are Characterized by Recurrent Chromosome-Level Copy Number Gains: Molecular Assessment of a Multi-Institutional Series. Histopathology. 2023; 82(3):431-438. PMID: 36226695 

Collins K, Puello Yocum B*, Mesa H, Cramer H, Saeed O. Comparison of Endoscopic Ultrasound (EUS)-Guided Fine Needle Aspiration Cytology versus Endoscopic Biopsy for the Diagnosis of Subepithelial Lesions of the Upper and Lower Gastrointestinal Tract: A 10-Year Retrospective Single Institution Analysis. Diagn Cytopathol. 2023;51(7):434-440. PMID: 37021663  

Collins K, Sholl LM, Vargas SO, Cornejo KM, Kravstov O, Dickson BC, Idrees MT, Ulbright TM, Acosta AM. Testicular Juvenile Granulosa Cell Tumors Demonstrate Recurrent Loss of Chromosome 10 and Absence of Molecular Alterations Described in Ovarian Counterparts.  Mod Pathol. 2023; 36(6):100142 

Collins K, Hwang M, Antic T, Paintal A, Argani P, Matoso A, Gopinath A, Baskovich B, Mehra R, Williamson SR, Idrees MT, Barletta JA, Anderson WJ, Hirsch MS, Hornick JL, Acosta AM. Merlin immunohistochemistry is useful in diagnosis of tumours within the spectrum of biphasic hyalinizing psammomatous renal cell carcinoma. Histopathology. 2022;81(5):577-586. PMID: 35971742 

Puello Yocum B*, Hwang M, Mesa H. Collins K. Differential Diagnosis of Cystic Lesions of the Spleen: A Review of Clinical, Imaging, and Pathological Findings. (**Publication with a mentoring role**) Int J Surg Pathol. 2023;31(5):498-508. PMID: 35818747 

Toklu A*, Mesa H, Collins K. Adrenal Hemangioma Presenting as an Incidentaloma Clinically Suspicious for Malignancy: Diagnostic Considerations and Review of the Literature. (**Publication with a mentoring role**) Int J Clin Exp Pathol. 2022;15(11):444-458.  PMID: 36507066 

Collins K, Cheng L. Morphologic spectrum of treatment-related changes in prostate tissue and prostate cancer: an updated review. Hum Pathol. 2022:127:56-55. PMID: 35716730 

Collins K, Warmke LM, Chen S, Ulbright TM. Angiomyofibroblastoma and potentially mimicking soft tissue tumors that may occasionally present in the retroperitoneum: an approach to the differential diagnosis with report of an unusual index case abutting the kidney. Adv Anat Pathol. 2022;29(3):141-153. PMID: 35275847 

Collins K, Brocken E, Bahler CD, Alabd A, Koch MO, Cheng L. High Intensity Focused Ultrasound for the Treatment of Prostate Cancer: Assessing Location of Failure after Focal Therapy in Prostate Cancer and Review of Histological Characteristics and Clinicopathologic Correlates after Treatment: A 5-Year Experience. Hum Pathol. 2021; 119:79-84 [Online ahead of print] PMID: 34801600 

Collins K, Ramalingam P, Euscher ED, Garcia A, Reques A, Malpica A. Uterine Inflammatory Myofibroblastic Neoplasms with Aggressive Behavior, Including an Epithelioid Inflammatory Myofibroblastic Sarcoma: A Clinicopathologic Study of 9 Cases. Am J Surg Pathol. 2022;46(1):105-117. PMID: 34138797 

Collins K, Oramas DM, Guccione J, Elsayes KM, Habra MA, Zhang M, Cheng L. Incidentally discovered myelolipomatous adrenal adenomas, including six cases presenting with hypercortisolism. Pathol Res Pract. 2021. 224:153508. PMID: 34119816 

Collins K, Aung PP, Gu J, Nagarajan P, Curry JL, Ivan D, Prieto VG, Tetzlaff M, Huen A, Duvic M, Miranda RN, Vega F, Torres-Cabala CA. Is Immunohistochemical Expression of GATA-3 Helpful in the Differential Diagnosis of Transformed Mycosis Fungoides and Cutaneous CD30-Positive T-Cell Lymphoproliferative Disorders? Virchows Arch. 2021;479(2):377-383. PMID: 33604757 

Collins K, Newcomb PH, Cartun R, Ligato S. Utility and limitations of albumin RNA in situ hybridization in the diagnosis of hepatobiliary lesions and metastatic carcinomas to the liver. Applied Immunohistochemistry and Molecular Morphology. 2021;29(3):180-187. PMID: 33208670 

Collins K, Hwang M, Hamza A, Rao P. Prevalence of High-Risk Human Papillomavirus in Primary Squamous Cell Carcinoma of Urinary Bladder. Pathology - Research and Practice. 2020;216(9):153084.  PMID: 32825952 

Collins K, Cardinali JL, Mnayer LO, DiGiuseppe JA. CD49f protein expression varies among genetic subgroups of B lymphoblastic leukemia and is distinctly low in KMT2A-rearrnged cases. Cytometry. 2021;100(2):243-248. PMID: 31894899 

Collins K, Ligato S. Duodenal Epithelial Polyps: A Clinicopathologic Review. Arch Pathol Lab Med. 2019; 143(3):370-385. PMID: 30354274 

Titles & Appointments

  • Assistant Professor of Clinical Pathology & Laboratory Medicine
  • Enterprise Clinical Research Operations, Biorepository Steering Committee
  • Associate Program Director, Genitourinary Pathology Fellowship
  • Education
    2012 MD American University of Antigua
    2005 MS University of Arkansas
    2004 BS University of Arkansas
  • Professional Organizations
    United States and Canadian Academy of Pathology
    American Society of Clinical Pathology
    College of American Pathologists
    Genitourinary Pathology Society
    Indiana Association of Pathologists
    International Society of Urological Pathology
  • Awards
    Org: American Society of Clinical Pathology
    Desc: 40 under Forty Honoree
    Scope: National
    Date: 2022-07-06
    Org: American Society of Dermatopatholoy
    Desc: Physician-in-Training Award, Best Oral Abstract Presentation
    Scope: National
    Date: 2020-12-03
    Org: The University of Texas M.D. Anderson Cancer Center
    Desc: Chairman’s Mentored Research Trainee Award
    Scope: Department
    Date: 2019-08-27
    Org: The Pathologist
    Desc: Trailblazers of the Lab, 2019 Power List
    Scope: National
    Date: 2019-07-31
    Org: Hartford Hospital
    Desc: Ronald S. Beckett Book Award
    Scope: Department
    Date: 2018-06-30
    Org: College of American Pathologists
    Desc: CAP17 Residents Forum Photography Contest, 1st place
    Scope: National
    Date: 2017-10-08

Looking for patient care?

To schedule an appointment with a faculty member physician of IU School of Medicine, contact Indiana University Health at 888-484-3258 or use the physician finder by clicking the button below.

Find a doctor