TVMDL received skin biopsy samples from several bearded dragon lizards with a patchy dermatitis that grossly presents as discolored skin with a crusty surface.  Microscopic evaluation showed marked hyperkeratosis and mixed leukocytic infiltrates in the upper dermis (Figure 1).  A PAS stain revealed the presence of fungal hyphal elements in the thick surface layer of […]

Chordomas are among the most common diagnoses in ferret biopsy samples submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL). This article highlights a recent case of a ferret chordoma that was diagnosed at our laboratory. The tumor was located at the tip of the tail of a 3-year-old ferret. The tail tip was […]

A 3-year-old, pet, domestic ferret (Mustela putorius furo) was found dead suddenly and was sent to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in College Station for postmortem examination. The ferret was diagnosed with heartworm disease and caval syndrome at necropsy. Three adult heartworms were found in the heart, filling the pulmonary artery, right […]

An eight-month-old veiled chameleon exhibited white, patchy, crusty skin lesions on the dorsal crest above the hind legs (Fig. 1). A skin biopsy specimen was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for histopathology and a swab and skin crust samples were submitted for routine bacterial and fungal culture. The swab sample […]

A rabbit breeding colony experienced multiple sudden deaths in a barn that typically had few death losses.  The rabbits were noted grossly to have hemorrhage in the cecum and colon.  Tissues from a 20-month-old female Flemish Giant rabbit were submitted for histopathology and bacterial culture.  Histologically the rabbit had a marked, diffuse necrotizing and hemorrhagic […]

Too often the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) receives samples where there is a concern for rabies testing but the brain tissue submitted is not suitable for testing by the Department of State Health Services (DSHS) in Austin. Usually the problem is an incomplete sample where only half the brain is submitted.  Less commonly, […]