Taryn Donovan,
DVM, DACVPSpecialist in Anatomic Pathology
Service Head of Anatomic Pathology Department: Pathology

Dr. Donovan is a diplomate of the American College of Veterinary Pathologists since 2006. She graduated from Cornell University College of Veterinary Medicine in 2001 and, the following year, completed an internship at the Animal Medical Center. After a year in general practice, she returned to Cornell for a residency in anatomic pathology and gained additional postgraduate experience through a fellowship at the Zoological Society of San Diego.
Dr. Donovan oversees the necropsy service, directs interactive teaching and educational rounds at AMC, and participates in clinical research collaborations in her role as Service Head of the Anatomic Pathology Service at the Animal Medical Center. She is a native of New York, and currently lives in Connecticut with her husband, two children and a multitude of pets.
Board Certifications:
Education:
- BA – Vassar College, Poughkeepsie, NY, 1997
- DVM – Cornell University College of Veterinary Medicine, Ithaca, NY, 2001
Recent Publications
Peer-Reviewed Publications & Research Papers:
Ackermann MR, Agnew DW, Craig LE, Donovan TA, Koehler JW, Langohr IM, Löhr CV, Luong R, Meseck E, Pesavento P, Porter BF, Priestnall SL, Rissi DR, Russell DS, Seelig D, Sula MM, Wiedmeyer C, Williams BH, Miller AD. Certifying “day one ready” pathologists: Are we accomplishing our goals? Vet Pathol. 2025 Mar;62(2):254-256. doi: 10.1177/03009858241302843. Epub 2024 Dec 16. PMID: 39676511.
Rissi DR, Miller AD, Daverio H, Demeter EA, Church ME, Donovan TA. Rostral cranial fossa and sinonasal neoplasms with cribriform plate involvement in 32 dogs and 17 cats. J Vet Diagn Invest. 2024 Nov;36(6):925-932. doi: 10.1177/10406387241267899. Epub 2024 Aug 17. PMID: 39152702; PMCID: PMC11523179.
Matula E, Mastrocco A, Prittie J, Donovan T. Delayed transforaminal brain herniation in a cat following bromethalin intoxication. J Vet Emerg Crit Care (San Antonio). 2024 Sep-Oct;34(5):502-508. doi: 10.1111/vec.13413. Epub 2024 Aug 5. PMID: 39099308.
Haghofer A, Parlak E, Bartel A, Donovan TA, Assenmacher CA, Bolfa P, Dark MJ, Fuchs-Baumgartinger A, Klang A, Jäger K, Klopfleisch R, Merz S, Richter B, Schulman FY, Janout H, Ganz J, Scharinger J, Aubreville M, Winkler SM, Kiupel M, Bertram CA. Nuclear pleomorphism in canine cutaneous mast cell tumors: Comparison of reproducibility and prognostic relevance between estimates, manual morphometry, and algorithmic morphometry. Vet Pathol. 2025 Mar;62(2):161-177. doi: 10.1177/03009858241295399. Epub 2024 Nov 19. PMID: 39560067; PMCID: PMC11874577.
Ganz J, Marzahl C, Ammeling J, Rosbach E, Richter B, Puget C, Denk D, Demeter EA, Tăbăran FA, Wasinger G, Lipnik K, Tecilla M, Valentine MJ, Dark MJ, Abele N, Bolfa P, Erber R, Klopfleisch R, Merz S, Donovan TA, Jabari S, Bertram CA, Breininger K, Aubreville M. Information mismatch in PHH3-assisted mitosis annotation leads to interpretation shifts in H&E slide analysis. Sci Rep. 2024 Nov 1;14(1):26273. doi: 10.1038/s41598-024-77244-6. PMID: 39487193; PMCID: PMC11530454.
Wulcan JM, Giaretta PR, Fingerhood S, de Brot S, Crouch EEV, Wolf T, Isabel Casanova M, Ruivo PR, Bolfa P, Streitenberger N, Bertram CA, Donovan TA, Keel MK, Moore PF, Keller SM. Artificial intelligence-based quantification of lymphocytes in feline small intestinal biopsies. Vet Pathol. 2025 Mar;62(2):139-151. doi: 10.1177/03009858241286828. Epub 2024 Oct 14. PMID: 39400051; PMCID: PMC11874495.
Bertram CA, Donovan TA, Bertram B, Sabara J, Klopfleisch R. Neoplasia in pet guinea pigs: a retrospective analysis of 2,474 autopsy examinations. J Vet Diagn Invest. 2025 Jan;37(1):94-103. doi: 10.1177/10406387241288642. Epub 2024 Oct 14. PMID: 39397656; PMCID: PMC11559762.
Klang A, Bertram CA, Donovan TA, Craig LE, Walter I, Wolfesberger B, Degasperi B, Baszler E, Rütgen BC, Hammer SE, Fuchs-Baumgartinger A. Feline eosinophilic sclerosing fibroplasia associated with T-/natural killer-cell lymphoma. Vet Pathol. 2025 Mar;62(2):187-194. doi: 10.1177/03009858241281911. Epub 2024 Sep 25. PMID: 39319985; PMCID: PMC11874600.
Wolfesberger B, Gradner G, Rütgen BC, Hittmair KM, Walter I, Donovan TA, Kleiter M, Krischak A, Burgener IA, Fuchs-Baumgartinger A. Immunophenotype investigation in feline intestinal non-B-cell lymphoma. J Comp Pathol. 2024 Jul;212:20-26. doi: 10.1016/j.jcpa.2024.05.004. Epub 2024 Jun 28. PMID: 38943798.
Rütgen BC, Wolfesberger B, Baumgartner D, Hammer SE, Groiss S, Hittmair KM, Gradner G, Fuchs-Baumgartinger A, Donovan TA, Schwendenwein I. Flowcytometric data of intermediate-large cell gastrointestinal lymphoma presenting a gross mass in 32 cats – “let them glow in the flow”. Front Vet Sci. 2024 May 28;11:1378826. doi: 10.3389/fvets.2024.1378826. PMID: 38863454; PMCID: PMC11166079.
Glahn I, Haghofer A, Donovan TA, Degasperi B, Bartel A, Kreilmeier-Berger T, Hyndman PS, Janout H, Assenmacher CA, Bartenschlager F, Bolfa P, Dark MJ, Klang A, Klopfleisch R, Merz S, Richter B, Schulman FY, Ganz J, Scharinger J, Aubreville M, Winkler SM, Bertram CA. Automated Nuclear Morphometry: A Deep Learning Approach for Prognostication in Canine Pulmonary Carcinoma to Enhance Reproducibility. Vet Sci. 2024 Jun 17;11(6):278. doi: 10.3390/vetsci11060278. PMID: 38922025; PMCID: PMC11209399.
Glahn I, Donovan TA, Bertram CA. Synovial myxoma or myxosarcoma? Lymph node metastasis in 2 dogs. J Vet Diagn Invest. 2024 Nov;36(6):874-878. doi: 10.1177/10406387241257254. Epub 2024 Jun 3. PMID: 38828841; PMCID: MC11514113.
King AP, Donovan TA, Cohen E, Marin J, Le Roux AB. Short colon syndrome in cats. J Vet Intern Med. 2024 Jul-Aug;38(4):2138-2150. doi: 10.1111/jvim.17103. Epub 2024 May 17. PMID: 38757679; PMCID: PMC11256177.
Aubreville M, Stathonikos N, Donovan TA, Klopfleisch R, Ammeling J, Ganz J, Wilm F, Veta M, Jabari S, Eckstein M, Annuscheit J, Krumnow C, Bozaba E, Çayır S, Gu H, Chen X’, Jahanifar M, Shephard A, Kondo S, Kasai S, Kotte S, Saipradeep VG, Lafarge MW, Koelzer VH, Wang Z, Zhang Y, Yang S, Wang X, Breininger K, Bertram CA. Domain generalization across tumor types, laboratories, and species – Insights from the 2022 edition of the Mitosis Domain Generalization Challenge. Med Image Anal. 2024 May;94:103155. doi: 10.1016/j.media.2024.103155. Epub 2024 Mar 22. PMID: 38537415.
Bertram CA, Donovan TA, Bartel A. Mitotic activity: A systematic literature review of the assessment methodology and prognostic value in canine tumors. Vet Pathol. 2024 Sep;61(5):752-764. doi: 10.1177/03009858241239565. Epub 2024 Mar 27. PMID: 38533804; PMCID: PMC11370189.
Bertram CA, Donovan TA, Bartel A. Mitotic activity: A systematic literature review of the assessment methodology and prognostic value in feline tumors. Vet Pathol. 2024 Sep;61(5):743-751. doi: 10.1177/03009858241239566. Epub 2024 Mar 27. PMID: 38533803; PMCID: PMC11370206.
Schulman FY, Bertram CA, Meuten DJ, Moore FM, Avallone G, Bartel A, Bolfa P, Camus M, Chambers JK, Dark MJ, Dervisis N, Dobromylskyj MJ, Donovan TA, Foster RA, Krimer PM, Miller A, Milovancev M, Roccabianca P, Selmic LE, Wood GA. Overview of the Veterinary Cancer Guidelines and Protocols group’s “Developing, reporting and validating histologic tumor grading systems”. Vet Pathol. 2024 Jan;61(1):157-159. doi: 10.1177/03009858231209409. Epub 2023 Nov 3. PMID: 37921009.
Rissi DR, Donovan TA, Barros CSL, Church ME, Koehler JW, Matiasek K, Miller AD, Porter BF. Letter to the editor: Overview of the Veterinary Cancer Guidelines and Protocols for CNS neoplasms of dogs and cats. J Vet Diagn Invest. 2023 Aug 23:10406387231194323. doi: 10.1177/10406387231194323. Epub ahead of print. PMID: 37608762.
Wipond M, Prittie J, Mastrocco A, Donovan TA. Fatal exposure to quaternary ammonium disinfectant in 2 dogs. J Vet Emerg Crit Care (San Antonio). 2023 May-Jun;33(3):380-387. doi: 10.1111/vec.13299. Epub 2023 Apr 27. PMID: 37102439.
Tran DTH, Donovan TA, Daverio H, Le Roux AB. CT features of rounded atelectasis in chronic inflammatory pleural effusions in cats and dogs. Vet Radiol Ultrasound. 2023 May;64(3):420-428. doi: 10.1111/vru.13220. Epub 2023 Feb 7. PMID: 36751880.
Rissi DR, Reyes VAA, Donovan TA, Church ME, Howerth EW, Klang A, Woolard KD, Miller AD. Primary and secondary leptomeningeal gliomatosis in dogs. Vet Pathol. 2024 Mar;61(2):171-178. doi: 10.1177/03009858231193104. Epub 2023 Aug 14. PMID: 37577961.
Reyes VAA, Donovan TA, Miller AD, Porter BF, Frank CB, Rissi DR. Doublecortin immunolabeling in canine gliomas with distinct degrees of tumor infiltration. J Vet Diagn Invest. 2023;35(2):187-192. doi:10.1177/10406387221145321.
Fragoso-Garcia M, Wilm F, Bertram CA, Merz S, Schmidt A, Donovan T, et al.. Automated diagnosis of 7 canine skin tumors using machine learning on H&E-stained whole slide images. Vet Pathol. 2023 Nov;60(6):865-875. doi: 10.1177/03009858231189205.
Aubreville M, Stathonikos N, Bertram CA, Klopfleisch R, Ter Hoeve N, Ciompi F, Wilm F, Marzahl C, Donovan TA, Maier A, Breen J, Ravikumar N, Chung Y, Park J, Nateghi R, Pourakpour F, Fick RHJ, Ben Hadj S, Jahanifar M, Shephard A, Dexl J, Wittenberg T, Kondo S, Lafarge MW, Koelzer VH, Liang J, Wang Y, Long X, Liu J, Razavi S, Khademi A, Yang S, Wang X, Erber R, Klang A, Lipnik K, Bolfa P, Dark MJ, Wasinger G, Veta M, Breininger K. Mitosis domain generalization in histopathology images – The MIDOG challenge. Med Image Anal. 2023 Feb;84:102699. doi: 10.1016/j.media.2022.102699. Epub 2022 Nov 23. PMID: 36463832.
Aubreville M, Wilm F, Stathonikos N, Breininger K, Donovan TA, Jabari S, Veta M, Ganz J, Ammeling J, van Diest PJ, Klopfleisch R, Bertram CA. A comprehensive multi-domain dataset for mitotic figure detection. Sci Data. 2023 Jul 25;10(1):484. doi: 10.1038/s41597-023-02327-4. PMID: 37491536; PMCID: PMC10368709.
Reyes VAA, Donovan TA, Miller AD, Porter BF, Frank CB, Rissi DR. Doublecortin immunolabeling in canine gliomas with distinct degrees of tumor infiltration [published online ahead of print, 2022 Dec 15]. J Vet Diagn Invest. 2022;10406387221145321. doi:10.1177/10406387221145321.
O’Toole CJ, Donovan TA, Le Roux AB. Radiographic features of subungual keratoacanthomas in dogs. Veterinary Radiology and Ultrasound 2022 Nov;;63(6):675-680. doi:10.1111/vru.13108.
Donovan T, Garner M, Phalen D, Reavill D, Monette S, Le Roux AB, Hanson M, Sue C, Brown C Echeverii C, Quesenberry K. Disseminated Coelomic Xanthogranulomatosis in Eclectus Parrots (Eclectus roratus) and Budgerigars (Melopsittacus undulatus). Vet Pathol. 2022;59(1):143-151. doi:10.1177/03009858211045931.
Aubreville M., Stathonikos N., Bertram C., Klopfleisch R., ter Hoeve N., Ciompi F., Wilm F., Marzahl C., Donovan T., Maier A., Breen J., Ravikumar N., Chung Y., Park J., Nateghi R., Pourakpour F., Fick R., Ben Hadj S., Jahanifar M., Shepard A., Dexl J., Wittenberg T., Kondo S., Lafarge M., Koelzer V., Liang J., Wang Y., Long X., Liu J., Razavi S., Khademi A., Yang S., Wang X., Erber R., Klang A., Lipnik K., Bolfa P., Dark M., Wasinger G., Veta M., Breininger K. Mitosis domain generalization in histopathology images – The MIDOG challenge. Med Image Anal. 2023;84:102699. doi:10.1016/j.media 2022.102699.
Meuten D, Moore F, Donovan T, Bertram C. Veterinary Cancer Guidelines and Protocols. 2021. https://www.vcgp.org/
Rissi DR, Donovan TA, Porter BF, Frank C, Miller AD. Canine gliomatosis cerebri: morphologic and immunohistochemical characterization is supportive of glial histogenesis. Vet Pathol. 2021;58(2):293-304. doi: 10.1177/0300985820980704. Epub 2020 Dec 28. PMID: 33357125.
Meuten DJ, Moore FM, Donovan TA, et al. International Guidelines for Veterinary Tumor Pathology: A Call to Action. Vet Pathol. 2021; 58(5):766-794. doi: 10.1177/03009858211013712. Epub 2021 Jul 20. PMID: 34282984.
Miller MA, Piotrowski SL, Donovan TA, Scott-Moncrieff JC, Owen TJ, McCue JP, DuSold DM, Ramos-Vara JA, Weng HY, Chen AV, Martin LG, Bruyette DS. Feline pituitary adenomas: correlation of histologic and immunohistochemical characteristics with clinical findings and case outcome. Vet Pathol. 2021;58(2):266-275. doi: 10.1177/0300985820978309. Epub 2020 Dec 7. PMID: 33280571.
B-cell lymphoma invading and compressing the heart base and pericardium in a cat. J Vet Cardiol 2021;35;84:89
Retrospective study of proliferative urethritis in dogs: Clinical presentation and outcome using various treatment modalities in 11 dogs. Emanuel M, Berent AC, Weisse C, Donovan T, Lamb KE.J Vet Intern Med. 2020 Dec 14. doi: 10.1111/jvim.16007.
Mitotic Figures-Normal, Atypical, and Imposters: A Guide to Identification. Donovan TA, Moore FM, Bertram CA, Luong R, Bolfa P, Klopfleisch R, Tvedten H, Salas EN, Whitley DB, Aubreville M, Meuten DJ.Vet Pathol. 2020 Dec 29:300985820980049. doi: 10.1177/0300985820980049. Online ahead of print.PMID: 33371818
Canine Gliomatosis Cerebri: Morphologic and Immunohistochemical Characterization Is Supportive of Glial Histogenesis. Rissi DR, Donovan TA, Porter BF, Frank C, Miller AD.Vet Pathol. 2020 Dec 28:300985820980704. doi: 10.1177/0300985820980704. Online ahead of print.PMID: 33357125
Feline Pituitary Adenomas: Correlation of Histologic and Immunohistochemical Characteristics With Clinical Findings and Case Outcome. Miller MA, Piotrowski SL, Donovan TA, Scott-Moncrieff JC, Owen TJ, McCue JP, DuSold DM, Ramos-Vara JA, Weng HY, Chen AV, Martin LG, Bruyette DS.Vet Pathol. 2020 Dec 7:300985820978309. doi: 10.1177/0300985820978309.
A completely annotated whole slide image dataset of canine breast cancer to aid human breast cancer research. Aubreville M, Bertram CA, Donovan TA, Marzahl C, Maier A, Klopfleisch R.Sci Data. 2020 Nov 27;7(1):417. doi: 10.1038/s41597-020-00756-z.PMID: 33247116
Sudden death in a dog with aortic coarctation. Fox PR, Donovan TA. J Vet Cardiol. 2020 Oct;31:23-29. doi: 10.1016/j.jvc.2020.08.001. Epub 2020 Aug 22.PMID: 32927406
Giant pericardial-occupying compressive primary cardiac hemangiosarcoma in a cat. Herrold EJ, Donovan TA, Hohenhaus AE, Fox PR. J Vet Cardiol. 2020 Jun;29:54-59. doi: 10.1016/j.jvc.2020.04.004. Epub 2020 May 5.PMID: 32497967
Imaging features of disseminated xanthogranulomatous inflammation in eclectus parrots (Eclectus roratus). Hanson ME, Donovan TA, Quesenberry K, Dewey A, Brown C, Chen S, Le Roux AB. Vet Radiol Ultrasound. 2020 Jul;61(4):409-416. doi: 10.1111/vru.12861. Epub 2020 May
Disseminated pancreatic adenocarcinoma in an eclectus parrot (Eclectus roratus). Le Roux AB, Quesenberry K, Donnelly KA, Donovan TA.J Am Vet Med Assoc. 2020 Sep 15;257(6):635-641. doi: 10.2460/javma.257.6.635.PMID: 32857003
Steinagel A, Quesenberry K, Donovan T. Vegetative Endocarditis due to Staphylococcus aureus in an Umbrella Cockatoo (Cacatua alba). J Avian Med Surg. 2019;33(4):419–426. doi:10.1647/2018-336
Miller AD, Koehler JW, Donovan TA, Stewart JE, Porter BF, Rissi DR, Priestnall SL, Schulman FY. Canine Ependymoma: Diagnostic Criteria and Common Pitfalls.Vet Pathol. 2019 Nov;56(6):860-867.
Enders AM, Donovan TA, van der Woerdt A. Pathology in Practice. J Am Vet Med Assoc. 2018 Oct 15;253(8):991-994.
Donnelly KA, Le Roux A, Donovan TA, Grodio J, Quesenberry K. Acute Necrotizing Pancreatitis in a Yellow-naped Amazon Parrot ( Amazona auropalliata). J Avian Med Surg. 2018 Sep;32(3):232-239.
Donovan TA, Balakrishnan N, Carvalho Barbosa I, McCoy T, Breitschwerdt EB, Fox PR. Bartonella spp. as a Possible Cause or Cofactor of Feline Endomyocarditis-Left Ventricular Endocardial Fibrosis Complex. J Comp Pathol. 2018 Jul;162:29-42. Epub 2018 Jul 4.
Mcclaran JK, Pavia P, Fischetti AJ, Donovan TA. Laparoscopic Resection of a Pancreatic β Cell Tumor in a Dog. J Am Anim Hosp Assoc. 2017 Nov/Dec;53(6):338-345.
Pera J, Palma D, Donovan TA. Eosinophilic Esophagitis in a Kitten. J Am Anim Hosp Assoc. 2017 Jul/Aug;53(4):214-220.
Corbin EE, Cavanaugh RP, Schwartz P, Zawadzki KI, Donovan T. Splenomegaly in small-breed dogs: 45 cases(2005-2011). J Am Vet Med Assoc. 2017 May 15;250(10):1148-1154.
Flesher K, Lam N, Donovan TA. Diagnosis and treatment of massive porcupine quill migration in a dog.Can Vet J. 2017 Mar;58(3):280-284.
Enders A, van der Woerdt A, Donovan T. Endogenous mycotic endophthalmitis in a dog with candiduria and Evans syndrome. Vet Ophthalmol. 2017 Jan;20(1):84-88.
Donovan TA, Fox PR, Balakrishnan N, Ericson M, Hooker V, Breitschwerdt EB. Pyogranulomatous Pancarditis with Intramyocardial Bartonella henselae San Antonio 2 (BhSA2) in a Dog. J Vet Intern Med. 2017 Jan;31(1):142-148.
Verrilli AM, Hohenhaus AE, Le Roux AB, Donovan TA. What Is Your Diagnosis?: Primary pulmonary neoplasia. J Am Vet Med Assoc. 2016 Mar 1;248(5):493-6.
Biegen VR, McCue JP,Donovan TA, Shelton GD. Metabolic Encephalopathy and Lipid Storage Myopathy Associated with a Presumptive Mitochondrial Fatty Acid Oxidation Defect in a Dog. Front Vet Sci. 2015 Nov 26;2:64.
Frohlich JR, Donovan TA. Cervical chordoma in a domestic ferret (Mustela putorius furo) with pulmonary metastasis. J Vet Diagn Invest. 2015 Sep;27(5):656-9.
Cook AB, Langston CE, Fischetti AJ, Donovan TA. IMAGING DIAGNOSIS–URINARY BLADDER DUPLICATION IN A CAT. Vet Radiol Ultrasound. 2015 Jul-Aug;56(4):E48-53.
Clendaniel DC, Sivacolundhu RK, Sorenmo KU, Donovan TA, Turner A, Arteaga T, Bergman PJ. Association between macroscopic appearance of liver lesions and liver histology in dogs with splenic hemangiosarcoma: 79 cases (2004-2009). J Am Anim Hosp Assoc. 2014 Jul-Aug;50(4):e6-10.
Rylander H, Eminaga S, Palus V, Steinberg H, Caine A, Summers BA, Gehrke J, West C, Fox PR, Donovan T, Cherubini GB. Feline ischemic myelopathy and encephalopathy secondary to hyaline arteriopathy in five cats. J Feline Med Surg. 2014 Oct;16(10):832-9.
Book Chapters:
Donovan TA, Slade DJ. Diseases of the spleen. In: Cote E, Ettinger SJ, Feldman EC, editors. Ettinger’s Textbook of Veterinary Internal Medicine. eBook edition. Elsevier Health Sciences; 2024.