Bovine myocardium: Epithelial inclusions
Animal: Bovine, female, 3 years old.
History: Abattoir specimen submitted for laboratory examination from meat inspection due to whitish, discrete lesions in the myocardium of a healthy, slaughtered cow.
Histological description: Acinar and tubular structures lined by a single layered epithelium localised in a nodular, non-encapsulated process in a collagen rich tissue. There was no cellular atypia, thrombi in vessels or other lesions throughout the myocardium.
Diagnosis: Epithelial inclusions, bovine myocardium.
Autopsy: Dr. Øyvor Kolbjørnsen, National Veterinary Institute, Oslo, Norway
Photo: Dr. Øyvor Kolbjørnsen