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Joanne Mansell

Clinical Professor Emeritus


Phone: (979) 845-0785

Mailstop: 4467

Department: VTPB

Photo of Mansell, Joanne


  • D.V.M. Veterinary Medicine, University of Florida 1989
  • M.S. Molecular Biology, University of Miami 1982
  • B.S. Biology, University of Miami 1980


  • Diplomate American College of Veterinary Pathologists
  • Doctor of Veterinary Medicine
  • Member of Royal College of Veterinary Surgeons
  • MS degree
  • BS degree
  • Texas Veterinary Medical Specialty License: 0094-S

Scholarly Interests

Comparative pathology with particular interest in dermatopathology. The effects of systemic disease on skin. The use of immunohistochemistry in neoplastic and inflammatory skin disease.


Analysis of Bacterial and Fungal Nucleic Acid in Canine Sterile Granulomatous and Pyogranulomatous Dermatitis and Panniculitis.
Rosa FB, Older CE, Meason-Smith C, Suchodolski JS, Lingsweiler S, Mansell JE, Rodrigues Hoffmann A.
Veterinary Pathology. 2018 55(1).
The feline skin microbiota: the bacteria inhabiting the skin of healthy and allergic cat.
Older CE, Patterson AP, Diesel A, Meason-Smith C, Johnson TJ, Mansell J, Suchodolski IS, Rodrigues Hoffmann A.
Plos One 2017
Panfungal PCR on formalin-fixed paraffin-embedded animal tissues: a complementary diagnostic tool to histopathology for classification of fungal pathogens.
Meason-Smith C, Edwards E, Older C, Branco M, Bryan L, Lawhon S, Sucholdolski J, Gomez G, Mansell J, Rodrigues Hoffman A.
Veterinary Pathology. D0I:10.1177/0300985817698207.. 2017
Delayed granulomatous inflammatory response to a microchip in a dog.
Legallet C, Thieman Mankin K, Spaulding K, Mansell J
J Am Anim Hosp Assoc. 53:000–000. DOI 10.5326/JAAHA-MS-6418. 2017
Atypical cutaneous cryptococcosis in four cats.
Myers A, Smith C, Mansell J, Payne R, Krockenburg M, Rodrigues Hoffmann A.
Veterinary Dermatology. 2017 28(4):405-.
A high grade myxoid liposarcoma, round cell variant, in a dog.
Plumlee QD, Hernandez A, Clark S, Bascunan A, Davidson J, Mansell J.
J Comp Pathol. 2016 156:305-309.
Calcinosis Circumscripta associated with osseous cranial thoracic stenotic myelopathy in a dog.
Hinson W, Boudreau CE, Griffin JF, Mansell J, Pool R
J Small Anim Pract.. 2016 57(9):495.
Characterization of the cutaneous mycobiota in healthy and allergic cats using next-generation sequencing.
Meason-Smith CM, Diesel A, Patterson A, Older CE, Mansell J Suchodolski JS, Rodrigues Hoffman A.
Vet Dermatol. AUG 2016, 23 DOI: 10.1111/vde.12373. 2016
Diagnostic features of acute Chagas myocarditis with sudden death in a family of Boxer dogs.
Vitt J, Saunders A, O’Brian M, Mansell J, Ajithdoss D, Hamer S.
J Vet Intern Med. 2016 30(4):1210-1215.
Congenital dystrophic epidermolysis (DEB) in Sprague Dawley rats: a case series.
Eden K, Peterson A, Payne H, Corapi W, Mansell J, Rodrigues Hoffman A
Vet Dermatol. 2016 27:122-.
Ochronosis-like condition in a cat. DOI: 10.1111/vde.12326
Bryan L, Weeks B, Payne R, Thompson L, Mansell J.
Vet Dermatol.. 2016
What is living on your dog’s skin? Characterization of the canine cutaneous mycobiota and fungal dysbiosis in canine allergic dermatitis.
Meason-Smith C, Diesel A, Patterson A, Older CE, Mansell J, Suchodolski JS, Rodrigues Hoffman A
FEMS Microbiol Ecol. 91(12. Doi:pii: fiv 139. 10.1093/femsec/fiv139. Epub 2015 Nov 4.. 2015
Description of presentation, treatment and outcome of squamous cell carcinoma in the perineal region of 9 goats.
Sprake PM, Lamb L, Mansell J
Canadian Vet Journal. 2015
Immunohistochemical expression of ionized calcium binding adapter molecule 1 in cutaneous histiocytic proliferative, neoplastic and inflammatory disorders of dogs and cats.
Pierezan F, Mansell J, Ambrus A, Hoffmann AR
J Comp Pathol. 2014 151(4):347-51.
Lymphocytic ganglioneuritis secondary to intervertebral disk extrusion in a dog.
Mouradian-Darby AE, Young BD, Griffin JF, Mansell J, Levine JM
J Small An Practice. 2014 55(9):.
Design of a simplified histopathologic model for gastrointestinal inflammation in dogs.
Jergens AE, Evans RB, Ackermann M, Hostetter J, Willard M, Mansell J, Bilzer T, et al.
Vet Pathol. 2014 51(5):46-50.
Fecal and urinary N-methylhistamine concentrations in dogs with chronic gastrointestinal disease.
Berghoff N, Hill S, Parnell NK, Mansell J, Suchodolski JS, Steiner JM
Vet J. 2014 201(3):289-94.
Corynebacterium pseudotuberculosis in a cat
Diesel A, Patterson AP, Lawhon SD, Mansell J
Vet Dermatol. 2014 25(25):145-162.
The skin microbiome in healthy and allergic dogs
Rodrigues AR, Patterson AP, Diesel A, Lawhon SD, Li HJ, Elkins C, Mansell J
PLOS 1. 2014 9(1):e83197.
Effect of endoscopic forceps on quality of duodenal mucosal biopsy in healthy dogs.
Goutal-Landry CM, Mansell J, Ryan KA, Gashen FP.
J Vet Intern Med. 2013 27(27):456-461.
Pathology in practice. Disseminated idiopathic myofasciitis.
Pfent CM, Mansell J, Pool RR, Mitchell ME
J Am Vet Med Assoc. 2013 242(1):43-5.
Comparison of quality and diagnostic adequacy of canine duodenal mucosal biopsy specimens obtained with different endoscopic forceps in 17 dogs
Goutal C, Mansell J, Ryan K, Gashen F
J Vet Intern Med. 2012 26(3):768-769.
Cutaneous toxoplasmosis in two dogs.
Hoffmann AR, Cadieu J, Kiupel M, Lim A, Bolin SR, Mansell J
J Vet Diagn Invest. 2012 24(3):636-40.
Natural Heterobilharzia americana infection in horses in Texas.
Corapi WV, Snowden KF, Rodrigues A, Porter BF, Buote MA, Birch SM, Jackson ND, Eden KB, Whitley DB, Mansell J, Edwards JF, Hardy J, Chaffin MK
Vet Pathol. 2012 49(3):552-6.
Multiple eccrine poromas in the paw of a dog.
Whitley DB, Mansell JE
Vet Dermatol. 2012 23(2):167-70.
Consistency of endoscopic biopsies obtained from duodenum and ileum for feline small cell lymphoma (SC-LSA) and inflammatory bowel disease (IBD).
Scott K, Zoran D, Mansell J, Norby B, Willard MW
J Vet Intern Med. 2011 25(3):.
Cerebral and renal phaeohyphomycosis in a dog infected with Bipolaris sp.
Giri KD, Sims WP, Sura R, Cooper JJ, Gavrilov BK, Mansell J
Vet Pathol. 2011 (48):754-757.
Multicentric squamous cell carcinoma in situ associated with papillomavirus in a ferret.
Rodrigues A, Gates L, Payne HR, Kuipel M, Mansell J
Vet Pathol. 2011 47(47):964-968.
Utility of endoscopic biopsies of the duodenum and ileum for diagnosis of inflammatory bowel disease and small cell lymphoma in cats.
Scott KD, Zoran DL, Mansell J, Norby B, Willard MD
J Vet Intern Med. 2011 25(6):1253-7.
Epithelioid haemangiosarcoma in the ocular tissue of horses.
Arenas-Gamboa AM, Mansell J
J Comp Pathol. 2011 144(4):328-33.
Correlating clinical activity and histopathologic assessment of gastrointestinal lesion severity: current challenges.
Willard M, Mansell J
Vet Clin North Am Small Anim Pract. 2011 41(2):457-63.
Endoscopic, biopsy, and histopathologic guidelines for the evaluation of gastrointestinal inflammation in small animals
Washabau RJ, Day MJ, Willard MD, Hall Ej, Jergens AE, Mansell J, et al
J Vet Intern Med. 2010 24:10-26.
Effect of tissue processing on assessment of endoscopic intestinal biopsies in dogs and cats.
Willard MD, Moore GE, Denton BD, Day MJ, Mansell J, Bilzer T, Wilcock B, Gualtieri M, Olivero D, Lecoindre P, Twedt DC, Collett MG, Hall EJ, Jergens AE, Simpson JW, Else RW, Washabau RJ
J Vet Intern Med. 2010 24(1):84-9.
Encephalitozoon cuniculi infections in dogs: a case series.
Snowden KF, Lewis BC, Hoffman J, Mansell J
J Am Anim Hosp Assoc. 2009 45(5):225-31.
Histopathological standards for the diagnosis of gastrointestinal inflammation in endoscopic biopsy samples from the dog and cat: A report from the World Small Animal Veterinary Association Gastrointestinal Standardization Group.
Day MJ, Bilzer T, Mansell J, Wilcock B, Hall EJ, Jergens A, Minami T, Willard M, Washabau R.
J Comp Path. 2008 138(Supplement 1):S1-S44.
Effect of sample quality on the sensitivity of endoscopic biopsy for detecting gastric and duodenal lesions in dogs and cats.
Willard MD, Mansell J, Fosgate GT, Gualtieri M, Olivero D, Lecoindre P, Twedt DC, Collett MG, Day MJ, Hall EJ, Jergens AE, Simpson JW, Else RW, Washabau RJ
J Vet Intern Med. 2008 22(5):1084-9.
Analysis of gene transcript profiling and immunobiology in Shetland sheepdogs with dermatomyositis.
Wahl JM, Clark LA, Skalli O, Ambrus A, Rees CA, Mansell JL, Murphy KE
Vet Dermatol. 2008 19(2):52-8.
Survival data for canine oral extramedullary plasmacytomas: a retrospective analysis (1996-2006).
Wright ZM, Rogers KS, Mansell J
J Am Anim Hosp Assoc. 2008 44(2):75-81.
Liposarcoma in the nasal cavity of a cow.
Shive H, Mohammed F, Osterstock J, Porter B, Mansell J
Vet Pathol. 2006 43(5):793-7.
Protothecal enteritis as a cause of protein-losing enteropathy in a bull.
Osterstock JB, Mansell JL, Roussel AJ Jr
J Am Vet Med Assoc. 2005 227(9):1476-9.
Morphologic, Immunohistochemical and molecular characterization of a hepatosplenic T-cell lymphoma in a dog.
Cienava EA, Barnhart KR, Brown MR, Mansell J, Dunstan R, Credille K
Vet Clin Pathol. 2004 33(33):105-110.
A challenging case: getting to the source of a dog's chronic spinal pain
Ledbetter EC, Kerwin SC, Mansell JK, Henry GA
Vet Medicine. 2004 99(9):680-681.
Primary intratracheal lymphoma in four cats.
Brown MR, Rogers KS, Mansell J, Barton C
JAAHA. 2003 39(39):468-472.
Neurologic complications after melarsomine dihydrochloride treatment for Dirofilaria immitis in three dogs.
Hettlich BF, Ryan K, Bergman RL, Marks SL, Lewis BC, Bahr A, Coates JR, Mansell J, Barton CL
J Am Vet Med Assoc. 2003 223(10):1456-61.
Prevalence of gastric lesions in racing Alaskan sled dogs.
Davis MS, Willard MD, Nelson S, Mandsager RE, McKiernan S, Mansell JK, Lehenbauer TW
J Vet Intern Med. 2003 17(17):311-314.
Protein-losing enteropathy associated with cystic mucoid changes in the intestinal crypts of two dogs.
Willard MD, Zenger E, Mansell JL
J Am Anim Hosp Assoc. 2003 39(2):187-91.
Ulcerative pododermatitis in a cat associated with Anatrichosoma sp.
Ramiro-Ibañez F, Winston J, O'Donnell E, Mansell J
J Vet Diagn Invest. 2002 14(1):80-3.
Follicular dysplasia in two cows.
Mansell JL
Vet Dermatol. 1999 10(10):143-147.
Ulcerative facial and nasal dermatitis and stomatitis in cats associated with Feline Herpesvirus-1.
Hargis A, Ginn PE, Mansell JL
Vet Dermatol. 1999 10(10):267-274.
Disseminated adenovirus infection associated with cutaneous and visceral hemorrhages in a nursing piglet.
Tang KN, Baldwin CB, Mansell JL, Styer EL
Vet Pathol. 1995 32(32):433-437.
Disseminated chlamydial infection in an antelope.
Mansell J, Tang KN, Baldwin CA, STyer EL, Liggett AD.
JVDI. 1995 7(7):397-399.
The histologic, ultrastructural and immunohistochemical features of a thyroid oncocytoma in a dog.
Tang KN, Mansell J, Herron A
Vet Pathol. 1994 31(31):269-271.
Chlamydial infections in puff adders, Bitis arietans
Jacobson ER, Gaskin JM, Mansell J
J Zoo and Wildlife Medicine. 1989 20(3):.
Initiation and ultrastructure of a reptilian fibroblast cell line obtained from cutaneous fibropapillomas of the Green Turtle (Chelonia mydas)
Mansell J, Jacobson ER, Gaskin JM
In Vitro Cellular and Developmental Biology. 1989 25(11):1062-1064.
Cutaneous fibropapillomas of green turtles (Chelonia mydas).
Jacobson ER, Mansell JL, Sundberg JP, Hajjar L, Reichmann MR, Ehrhart LM, Walsh M, Murru F
J. Comp Pathol. 1989 101(101):39-52.
Cellular and molecular consequences of reduced cell water content.
Mansell JL, Clegg JS.
Cryobiology. 1982 20(20):591-613.
Cellular and molecular consequences of reduced cell water content.
Clegg JS, Mansell JL
Cryobiology. 1982 19(19):672-673.

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