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pathology

Transmissible Venereal Tumor Discovered on Dog

April 15, 2019 by Mallory Pfeifer

Portrait of border collie lying on the field with dandelions

Transmissible Venereal Tumor Discovered on Dog By Judith Akins, DVM, MS An aspirate from a mass on the penis of a 3-year-old, intact male, mixed breed dog was submitted for examination at the Texas A&M Veterinary Medical Diagnostic Laboratory … [Read more...] about Transmissible Venereal Tumor Discovered on Dog

Filed Under: Case Study Tagged With: canine, clinical pathology, college station, dog, mass, pathology, TVMDL, veneral disease

Unusual Manifestation of Papular Stomatitis in a Feedlot Steer

April 10, 2019 by Mallory Pfeifer

A group of cattle relax in the cool dirt on a ranch in the midwest.

Unusual Manifestation of Papular Stomatitis in a Feedlot Steer Gayman Helman, DVM, PhD, MA, Will P. Sims, DVM, MS, Gustavo Delhon, PhD A male-castrated, crossbred steer was noted to have a severe and locally extensive skin disease involving the … [Read more...] about Unusual Manifestation of Papular Stomatitis in a Feedlot Steer

Filed Under: Case Study Tagged With: Amarillo, bacteria, bacteriology, bovine, cattle, histopathology, necropsy, pathology, TVMDL

Duodenitis/proximal jejunitis (DPJ) in a horse

April 5, 2019 by Mallory Pfeifer

Close up of a brown horse with a white strip on its face grazing in an open field

Duodenitis/proximal jejunitis (DPJ) in a horse By Andrés de la Concha-Bermejillo, DVM, PhD  A 5-year-old Andalusian stallion was presented for necropsy at the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) after being euthanatized … [Read more...] about Duodenitis/proximal jejunitis (DPJ) in a horse

Filed Under: Case Study Tagged With: college station, equine, histopathology, horse, pathology, TVMDL

Gangrenous Dermatitis diagnosed in Bobwhite quail

April 1, 2019 by Mallory Pfeifer

brown, white, and black bobwhite qual standing on fence post

Gangrenous Dermatitis diagnosed in Bobwhite quail By Martin Ficken, DVM, PhD  Seven dead, 16-week-old bobwhite quail were presented to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Gonzales for necropsy. The history … [Read more...] about Gangrenous Dermatitis diagnosed in Bobwhite quail

Filed Under: Case Study Tagged With: Avian, bobwhite, Gonzales, histopathology, necropsy, pathology, Quail, TVMDL

Leproid Granuloma in a Boxer Dog

March 20, 2019 by Mallory Pfeifer

A young and beautiful boxer puppy, isolated over white background

Leproid Granuloma in a Boxer Dog By Julie Piccione, DVM, MS, DACVP A 6-year-old male-neutered Boxer was presented to its veterinarian for a mass on the right ear pinna. The mass was approximately 2 cm in diameter, slightly ulcerated and limited … [Read more...] about Leproid Granuloma in a Boxer Dog

Filed Under: Case Study Tagged With: canine, clinical pathology, college station, pathology, TVMDL, veterinary pathology

Feline toe biopsy reveals a bigger problem

March 13, 2019 by Mallory Pfeifer

Red-haired shorthair cat

Feline toe biopsy reveals a bigger problem Erin Edwards, DVM, MS, DACVP An amputated toe from an 11-year-old, female spayed, domestic shorthaired cat was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in College … [Read more...] about Feline toe biopsy reveals a bigger problem

Filed Under: Case Study Tagged With: college station, feline, histopathology, pathology, TVMDL

Cutaneous habronemiasis superimposed on a squamous cell carcinoma (SCC) in a horse

February 15, 2019 by Mallory Pfeifer

Close up of a brown horse with a white strip on its face grazing in an open field

Cutaneous habronemiasis superimposed on a squamous cell carcinoma (SCC) in a horse By Andrés de la Concha-Bermejillo In the summer of 2018, four partial biopsies of an infected hot brand skin lesion from a Quarter Horse stallion were submitted in … [Read more...] about Cutaneous habronemiasis superimposed on a squamous cell carcinoma (SCC) in a horse

Filed Under: Case Study Tagged With: college station, equine, histopathology, pathology, TVMDL, TVMDL-College Station

Aspergillosis diagnosed in 5-month-old chicken

February 11, 2019 by Mallory Pfeifer

white chickens in poultry barn

Aspergillosis diagnosed in 5-month-old chicken By Martin Ficken, DVM, PhD  A 5-month-old female chicken with a history of dyspnea was presented to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Gonzales for necropsy. Duration … [Read more...] about Aspergillosis diagnosed in 5-month-old chicken

Filed Under: Case Study Tagged With: Avian, Gonzales, histopathology, necropsy, pathology, poultry, TVMDL

Lymphoma diagnosed in a dog within an hour of fine needle aspiration via digital cytology service

February 11, 2019 by Mallory Pfeifer

Lymphoma diagnosed in a dog within an hour of fine needle aspiration via digital cytology service Julie Piccione, DVM, MS, DACVP A 5-year-old, male, neutered Bulldog was presented to their veterinarian for an acute onset of multiple masses. Upon … [Read more...] about Lymphoma diagnosed in a dog within an hour of fine needle aspiration via digital cytology service

Filed Under: Case Study Tagged With: canine, clinical pathology, cytology, dog, pathology, TVMDL-College Station

Two Cats Diagnosed with Hepatic Amyloidosis and Secondary Hepatic Rupture

January 28, 2019 by Mallory Pfeifer

Purebred cat lying in the house, siberian furry female

Two Cats Diagnosed with Hepatic Amyloidosis and Secondary Hepatic Rupture By Erin Edwards, DVM, MS, DACVP Two cats from two separate clinics were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) and were both … [Read more...] about Two Cats Diagnosed with Hepatic Amyloidosis and Secondary Hepatic Rupture

Filed Under: Case Study Tagged With: college station, feline, histopathology, necropsy, pathology, TVMDL

Melanocytic Tumors in Cattle

January 17, 2019 by Mallory Pfeifer

Group of white and light brown calves standing in green grass, low angle

Melanocytic Tumors in Cattle By Will Sims, DVM A biopsy from a 7-month-old cross breed bovine steer with a large mass was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Amarillo. The mass had been surgically … [Read more...] about Melanocytic Tumors in Cattle

Filed Under: Case Study Tagged With: Amarillo, bovine, cattle, histpathology, pathology, TVMDL, TVMDL Amarillo, veterinary diagnostics

Bone Sarcoma Found in Canine Rib Mass

January 17, 2019 by Mallory Pfeifer

portrait of a dog (puppy) breed dachshund black tan, in the green forest

Bone Sarcoma Found in Canine Rib Mass By Cheryl Maguire, DVM A 13-year-old, neutered male, Miniature Dachshund cross breed dog presented for a firm, 3 cm growth on the 5thrib.   The mass was aspirated and submitted to the Texas A&M Veterinary … [Read more...] about Bone Sarcoma Found in Canine Rib Mass

Filed Under: Case Study Tagged With: canine, college station, diagnostics, histopathology, pathology, TVMDL

Bacillary hemoglobinuria in a cow

December 4, 2018 by Mallory Pfeifer

Black Angus Cows and calves on a Minnesota Farm

Bacillary hemoglobinuria in a cow By Andrés de la Concha-Bermejillo, DVM, MS, PhD The carcass of a female, 913 pound, 7-year-old Angus cow was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for necropsy. History … [Read more...] about Bacillary hemoglobinuria in a cow

Filed Under: Case Study Tagged With: Angus, bovine, cattle, college station, histopathology, necropsy, pathology, TVMDL, TVMDL-College Station

Pulmonary Toxoplasmosis Diagnosed in a Young Cat

December 3, 2018 by Mallory Pfeifer

Pulmonary Toxoplasmosis Diagnosed in a Young Cat By Erin Edwards, DVM, MS, DACVP Pulmonary toxoplasmosis was recently diagnosed in a stray, male tabby cat approximately 1-year-old. This cat was brought to a local veterinary clinic for lethargy … [Read more...] about Pulmonary Toxoplasmosis Diagnosed in a Young Cat

Filed Under: Case Study Tagged With: cat, college station, feline, histopathology, pathology, TVMDL, TVMDL-College Station

Lymphoid leukosis discovered in Legbar chicken

November 16, 2018 by Mallory Pfeifer

full body of brown chicken hen standing isolated white background use for farm animals and livestock theme

Lymphoid leukosis discovered in Legbar chicken By Martin Ficken, DVM, PhD Recently, one dead, female, Cream Legbar chicken was presented to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Gonzales for necropsy. The bird had … [Read more...] about Lymphoid leukosis discovered in Legbar chicken

Filed Under: Case Study Tagged With: Avian, Gonzales, histopathology, necropsy, pathology, poultry, TVMDL

High mortality in a litter of puppies: Infection with canine herpesvirus

October 15, 2018 by Mallory Pfeifer

brown and black puppies in green grass

High mortality in a litter of puppies: Infection with canine herpesvirus By Erin Edwards, DVM, MS, DACVP Two Presa de Canario puppies from a litter of eight were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for … [Read more...] about High mortality in a litter of puppies: Infection with canine herpesvirus

Filed Under: Case Study Tagged With: canine, college station, histopathology, pathology, TVMDL, TVMDL-College Station

Necropsy of a Sulcata Tortoise (Geochelone sulcate) with Urinary Calculi

October 15, 2018 by Mallory Pfeifer

Galapagos tortoise in dirt

Necropsy of a Sulcata Tortoise (Geochelone sulcate) with Urinary Calculi By Will Sims, DVM, MS An eight-month-old sulcate tortoise was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory’s (TVMDL) Amarillo laboratory for … [Read more...] about Necropsy of a Sulcata Tortoise (Geochelone sulcate) with Urinary Calculi

Filed Under: Case Study Tagged With: Amarillo, exotic, histopathology, pathology, tortoise, TVMDL, TVMDL Amarillo

Nervous Coccidiosis diagnosed in a bull

October 8, 2018 by Mallory Pfeifer

a big angus bull in pasture

Nervous Coccidiosis diagnosed in a bull By Jay Hoffman, DVM, PhD A 12-month-old crossbred bull was submitted to the Texas A&M Veterinary Diagnostic Laboratory (TVMDL) in College Station for necropsy.  The clinical history indicated that this … [Read more...] about Nervous Coccidiosis diagnosed in a bull

Filed Under: Case Study Tagged With: bovine, bull, histopathology, pathology, TVMDL, TVMDL-College Station

Lead poisoning in guinea fowl

September 10, 2018 by Mallory Pfeifer

Brown, white, and black guinea in green grass

Lead poisoning in guinea fowl By Martin Ficken, DVM, PhD One live male guinea fowl was presented to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for necropsy. History noted the bird was bright and alert, but moved very … [Read more...] about Lead poisoning in guinea fowl

Filed Under: Case Study Tagged With: Avian, Gonzales, pathology, poultry, toxicology, TVMDL

Valvular endocarditis in a pig due to Erysipelothrix rhusiopathiae

August 22, 2018 by Mallory Pfeifer

Young pink pigs on farm

Valvular endocarditis in a pig due to Erysipelothrix rhusiopathiae By Andrés de la Concha-Bermejillo, DVM, MS, PhD and Sonia Lingsweiler, BS, MS The carcass of a female, approximately 112-pound Landrace-Yorkshire pig, was submitted to the Texas … [Read more...] about Valvular endocarditis in a pig due to Erysipelothrix rhusiopathiae

Filed Under: Case Study Tagged With: bacteriology, college station, histopathology, pathology, porcine, TVMDL

Visceral Mast Cell Tumor in a Cat

August 13, 2018 by Mallory Pfeifer

Purebred cat lying in the house, siberian furry female

Visceral Mast Cell Tumor in a Cat By Jay Hoffman, DVM, PhD An 11 year-old, spayed female, domestic longhaired cat was submitted to the Texas A&M Veterinary Diagnostic Laboratory (TVMDL) for necropsy.  The clinical history mentioned depression … [Read more...] about Visceral Mast Cell Tumor in a Cat

Filed Under: Case Study Tagged With: college station, feline, histopathology, pathology, TVMDL, TVMDL-College Station

Strongylus vulgaris associated with liver damage and neurologic symptoms in a gelding

July 16, 2018 by Mallory Pfeifer

Red quarter horse gelding with brand standing in green field eating

Strongylus vulgaris associated with liver damage and neurologic symptoms in a gelding By Barbara C. Lewis, DVM, MS, DACVP A six-year-old mixed breed gelding experienced a sudden onset of neurologic signs including a stiff jaw, body tremors, … [Read more...] about Strongylus vulgaris associated with liver damage and neurologic symptoms in a gelding

Filed Under: Case Study Tagged With: college station, equine, histopathogy, parasite, parasitology, pathology, TVMDL, TVMDL-College Station

Cryptosporidium serpentis in snakes

July 9, 2018 by Mallory Pfeifer

Yellowtailed Cribo (Drymarchon corais corais). Pantanal, Brazil

Cryptosporidium serpentis in snakes By Eric Snook, DVM, PhD An adult black tailed Cribo (Drymarchon melanurus), a snake native to Central and South America, was presented for necropsy at the Texas A&M Veterinary Medical Diagnostic Laboratory … [Read more...] about Cryptosporidium serpentis in snakes

Filed Under: Case Study Tagged With: college station, histopathology, pathology, reptile, snakes, TVMDL, TVMDL-College Station

Cytauxzoon felis in a cat

May 11, 2018 by Mallory Pfeifer

Short-Haired, Orange Tabby Cat on a Fluffy White Blanket

Cytauxzoon felis in a cat By Eric Snook, DVM, PhD With over 800,000 tests run annually, TVMDL encounters many challenging cases. Our case study series will highlight these interesting cases to increase awareness among veterinary and diagnostic … [Read more...] about Cytauxzoon felis in a cat

Filed Under: Case Study Tagged With: cat, college station, feline, histopathology, pathology, TVMDL, TVMDL-College Station

Testicular Coccidioidomycosis in a Dog

May 7, 2018 by Mallory Pfeifer

Doberman relaxing on grass

Testicular Coccidioidomycosis in a Dog By Jay Hoffman, DVM, PhD With over 800,000 tests run annually, TVMDL encounters many challenging cases. Our case study series will highlight these interesting cases to increase awareness among veterinary and … [Read more...] about Testicular Coccidioidomycosis in a Dog

Filed Under: Case Study Tagged With: canine, college station, dog, histopathology, pathology, TVMDL, TVMDL-College Station

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Latest News

  • Dimitrov authors chapters in Merck Veterinary Manual over Newcastle disease May 30, 2023
  • The passing of Dr. John Reagor, Veterinary Toxicologist Emeritus April 21, 2023
  • Too much (or too little) of a good thing: thyroid disease testing at TVMDL March 22, 2023
  • TVMDL adds three heavy metal panels to test catalog March 22, 2023
  • Arnold contributes to evaluation of Salmonella prevalence in feeder cattle March 16, 2023
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