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pathology

Chromatophoromas in lacertids

March 30, 2020 by Mallory Pfeifer

A relaxed Bearded Dragon lizard basking in the sunshine on an outdoor tree branch

Chromatophoromas in lacertids By Gaya Balamayooran, DVM, PhD, DACVP and Josué Diaz-Delgado, DVM, MS, PhD, DACVP A 76 gram, 9-year-old female knight anole (Anolis equestris) lizard from a zoological collection was euthanized due to poor prognosis … [Read more...] about Chromatophoromas in lacertids

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

Rickets in backyard chickens

March 30, 2020 by Mallory Pfeifer

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

Rickets in backyard chickens Gabriel Senties-Cue, MVZ, EPAA, MS Rickets was diagnosed in a live, 3-month-old, backyard type, female chicken. The bird was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Center, … [Read more...] about Rickets in backyard chickens

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

Calcinosis Circumscripta

March 2, 2020 by Mallory Pfeifer

German Shepherd isolated on white background

Calcinosis Circumscripta Judith Akins, DVM, MS Slides from an aspirate of a mass on the left elbow of a two-year-old, intact male German Shepherd dog were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for … [Read more...] about Calcinosis Circumscripta

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

Necropsy of rare bovine conjoined twins

February 24, 2020 by Mallory Pfeifer

One black young cow, calf closeup grazing on pasture, green grass in Virginia farms countryside meadow field

Necropsy of rare bovine conjoined twins By Erin Edwards, DVM, MS, DACVP and Gaya Balamayooran, DVM, PhD, DACVP Recently, bovine conjoined twin calves were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL). Both the … [Read more...] about Necropsy of rare bovine conjoined twins

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

Infectious Coryza in Chickens

November 25, 2019 by Mallory Pfeifer

white chickens in poultry barn

Infectious Coryza in Chickens Martin Ficken, DVM, PhD Six 16-week-old male chickens from a flock of 500 birds were presented for necropsy at the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Gonzales. History noted one-week of … [Read more...] about Infectious Coryza in Chickens

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

Histopathologic Diagnosis of Feline Herpesvirus

November 5, 2019 by Mallory Pfeifer

Noble proud cat lying on window sill. The British Shorthair with blue gray fur

Histopathologic Diagnosis of Feline Herpesvirus Erin Edwards, DVM, MS, DACVP and Jay Hoffman, DVM, PhD, DACVP Feline herpesvirus is a highly transmissible, viral disease that is very common in cats. This disease is also known as feline viral … [Read more...] about Histopathologic Diagnosis of Feline Herpesvirus

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

“Hardware Disease” in Backyard Chickens

October 14, 2019 by Mallory Pfeifer

“Hardware Disease” in Backyard Chickens Martin Ficken, DVM, PhD “Hardware disease” in backyard chickens and other birds is caused by the ingestion of metal objects present in their environment. These objects range from sharp objects that … [Read more...] about “Hardware Disease” in Backyard Chickens

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

Ehrlichia canis discovered in dog

October 1, 2019 by Mallory Pfeifer

Old golden dog standing in front of green trees and looking to the side

Ehrlichia canis discovered in dog Julie Piccione, DVM, MS, DACVP, Pam Ferro, MS, PhD, and Megan Schroeder, PhD A 7-year-old, neutered Labrador Retriever was presented to their veterinarian for acute onset of lethargy, inappetence, and epistaxis. … [Read more...] about Ehrlichia canis discovered in dog

Filed Under: Case Study Tagged With: canine, college station, cytology, dog, pathology, TVMDL

Contagious Ecthyma Diagnosed in a Young Goat

September 19, 2019 by Mallory Pfeifer

Contagious Ecthyma Diagnosed in a Young Goat Erin Edwards, DVM, MS, DACVP, Andrés de la Concha-Bermejillo, DVM, PhD, Pam Ferro, MS, PhD The body of a 3-month-old goat was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory … [Read more...] about Contagious Ecthyma Diagnosed in a Young Goat

Filed Under: Case Study Tagged With: caprine, college station, histopathology, Molecular Diagnostics, pathology, TVMDL, Virology

Bovine Abortion Caused by Leptospira spp.

September 19, 2019 by Mallory Pfeifer

Small herd of red free-range cattle on a rural farm

Bovine Abortion Caused by Leptospira spp. Guy Sheppard, DVM, Gabriel Gomez, DVM, PhD, Pam Ferro, MS, PhD, and Megan Schroeder, PhD Tissue from a cross-bred bovine fetus in the third trimester of gestation was submitted to the Texas A&M … [Read more...] about Bovine Abortion Caused by Leptospira spp.

Filed Under: Case Study Tagged With: abortion, bovine, cattle, college station, hisopathology, pathology, TVMDL, Virology

Atypical Mycobacteriosis in a Cat

August 30, 2019 by Mallory Pfeifer

Atypical Mycobacteriosis in a Cat Erin Edwards, DVM, MS, DACVP Skin samples from a 9-year-old Siamese cat were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in College Station. This cat was reported to clinically … [Read more...] about Atypical Mycobacteriosis in a Cat

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

Mammary sarcoma diagnosed in a Chihuahua

August 19, 2019 by Mallory Pfeifer

Chihuahua dog head close up looking

Mammary sarcoma diagnosed in a Chihuahua Gabriel Gomez DVM, PhD and Cheryl Maguire, DVM A nine-year-old, intact female, Chihuahua dog presented to their veterinarian for a solitary mass on the caudal most left mammary gland.  The mass was excised … [Read more...] about Mammary sarcoma diagnosed in a Chihuahua

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

A case of Coccidioidomycosis in a Llama (Lama glama)

August 9, 2019 by Mallory Pfeifer

One isolated llama in the Altiplano

A case of Coccidioidomycosis in a Llama (Lama glama) Owais A. Khan DVM PhD DACVM, Will P. Sims DVM, and Gayman R. Helman DVM PhD A variety of fresh and fixed tissues, including lung, liver, kidney, spleen, and mesenteric lymph nodes, from a … [Read more...] about A case of Coccidioidomycosis in a Llama (Lama glama)

Filed Under: Case Study Tagged With: Amarillo, bacteriology, camelid, exotic, histopathology, llama, necropsy, pathology, respiratory, TVMDL

Gangrenous dermatitis discovered in separate broiler flocks

August 5, 2019 by Mallory Pfeifer

white chickens in poultry barn

Gangrenous dermatitis discovered in separate broiler flocks Gabriel Senties-Cue, MVZ, EPAA, MS Recently, the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Center diagnosed gangrenous dermatitis (GD) in three flocks of broilers … [Read more...] about Gangrenous dermatitis discovered in separate broiler flocks

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

Epizootic hemorrhagic disease (EHD) in White-Tailed deer

July 29, 2019 by Mallory Pfeifer

Figure 1. Gross photograph showing ulceration of the mucosa of the dorsal aspect of the tongue in the white-tailed deer infected with epizootic hemorrhagic disease virus (EHDV).

Epizootic hemorrhagic disease (EHD) in White-Tailed deer By Andrés de la Concha-Bermejillo, DVM, MS, PhD, Pamela Ferro, MS, PhD, and Megan Schroeder, PhD, and Brooke Kehlenbrink* *Fourth year veterinary student Food Animal Track TVMDL … [Read more...] about Epizootic hemorrhagic disease (EHD) in White-Tailed deer

Filed Under: Case Study Tagged With: cervid, college station, deer, histopathology, Molecular Diagnostics, necropsy, pathology, TVMDL, wildlife

Equine Juvenile Ossifying Fibroma

July 18, 2019 by Mallory Pfeifer

A light brown, miniature donkey with its ears perked up.

Equine Juvenile Ossifying Fibroma Will Sims, DVM A two-year-old, male, intact Miniature Donkey had a wound on the mandible that was associated with a large firm mass. Radiographs of the lesion showed large osseous spicules emanating from the … [Read more...] about Equine Juvenile Ossifying Fibroma

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

Meningeal Worm (Parelaphostrongylus tenuis) in a Sitatunga

June 28, 2019 by Mallory Pfeifer

two brown deer species with white marking eating green grass

Meningeal Worm (Parelaphostrongylus tenuis) in a Sitatunga Terry Hensley, MS, DVM and Gabriel Gomez, DVM, PhD A less than one-year-old, 48 lb. female sitatunga (Tragelaphus spekii) in fair to poor body condition was submitted to the Texas A&M … [Read more...] about Meningeal Worm (Parelaphostrongylus tenuis) in a Sitatunga

Filed Under: Case Study Tagged With: cervid, college station, deer, exotic, histopathology tvmdl, necropsy, pathology

Cat Diagnosed with Feline Asthma

June 24, 2019 by Mallory Pfeifer

Red-haired shorthair cat

Cat Diagnosed with Feline Asthma Judith Akins, DVM, MS A seven-year-old male, neutered, domestic short haired (DSH) cat was presented to a veterinarian for evaluation of chronic coughing and increased respiration of several months’ duration. A … [Read more...] about Cat Diagnosed with Feline Asthma

Filed Under: Case Study Tagged With: cat, clinical pathology, college station, feline, pathology

Nasal Amyloidosis in a Horse

June 10, 2019 by Mallory Pfeifer

Picture showing the nose of a brown horse standing in a field at sunset

Nasal Amyloidosis in a Horse Andrés de la Concha-Bermejillo, DVM, MS, PhD Punch biopsies of an ulcerated plaque in the nasal mucosa of a male-castrated, 12-year-old, Quarter horse were submitted to the Texas A&M Veterinary Medical Diagnostic … [Read more...] about Nasal Amyloidosis in a Horse

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

Heterobilharzia americana Infection in a Dog

May 28, 2019 by Mallory Pfeifer

german shepherd dog lying on grass

Heterobilharzia americana Infection in a Dog Jay Hoffman, DVM, PhD Small intestinal biopsy samples from a two-year-old German Shepherd dog were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in College Station. … [Read more...] about Heterobilharzia americana Infection in a Dog

Filed Under: Case Study Tagged With: canine, college station, dog, German Shepherd, histopathology, pathology

Cat Diagnosed with Mammary Gland Fibroadenomatous Hyperplasia

May 20, 2019 by Mallory Pfeifer

Portrait of a funny beautiful red fluffy cat with green eyes in the interior, pets

Cat Diagnosed with Mammary Gland Fibroadenomatous Hyperplasia Erin Edwards, DVM, MS, DACVP Mammary gland masses from an approximately 7-month-old cat were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for … [Read more...] about Cat Diagnosed with Mammary Gland Fibroadenomatous Hyperplasia

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

Myxosarcoma – A Rare Breed

May 3, 2019 by Mallory Pfeifer

A playful black and white mixed breed dog, in a play bow position

Myxosarcoma – A Rare Breed Julie Piccione DVM,  MS, DACVP An 11-year-old, spayed female, mixed breed dog was presented to her veterinarian for a mass on the left hind limb. Physical exam revealed a large (~6 cm), irregularly shaped, firm, … [Read more...] about Myxosarcoma – A Rare Breed

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

Harris’s hawk diagnosed with fatal herpesvirus infection at necropsy

April 26, 2019 by Mallory Pfeifer

Harris hawk in flight with green grass in the background

Harris’s hawk diagnosed with fatal herpesvirus infection at necropsy Erin Edwards, DVM, MS, DACVP A 6-month-old Harris’s hawk was necropsied at the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in College Station and was … [Read more...] about Harris’s hawk diagnosed with fatal herpesvirus infection at necropsy

Filed Under: Case Study Tagged With: Avian, college station, hawk, herpervirus, histopathology, pathology, TVMDL

Canine hepatozoonosis diagnosed via skeletal muscle biopsy

April 22, 2019 by Mallory Pfeifer

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

Canine hepatozoonosis diagnosed via skeletal muscle biopsy By Erin Edwards, DVM, MS, DACVP Canine hepatozoonosis is a debilitating, tick-borne disease caused by Hepatozoon americanum, a protozoal parasite transmitted by the Gulf coast tick … [Read more...] about Canine hepatozoonosis diagnosed via skeletal muscle biopsy

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

Chronic lead exposure in flock of backyard chickens

April 15, 2019 by Mallory Pfeifer

groups of chickens in field at sunset

Chronic lead exposure in flock of backyard chickens By Martin Ficken, DVM, PhD  The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Gonzales received a phone call concerning a decrease in production and poor performance of a … [Read more...] about Chronic lead exposure in flock of backyard chickens

Filed Under: Case Study Tagged With: Avian, chicken, Gonzales, histopathology, lead, pathology, toxic, toxicology, TVMDL

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