Atypical Localised Benign Adnexal Tumor (Trichoblastoma) in a Dog

Trichoblastoma with Abundant Plump Stromal Cells in a Dog

Histopathological and immunohistochemical examinations were made on a cutaneous tumor on the head of an 11-year-old female mixed-breed dog. The tumor was well demarcated and comprised multilobular structures of neoplastic epithelial cells with abundant plump peritumoral stromal cells. The neoplastic cells formed irregular cell cords or trabeculae and were arranged in characteristic palisades at...

Desmin expression by a gastrointestinal stromal tumor in a dog

This report describes the histological and immunohistochemical features of a small intestinal tumor that resembled a human gastrointestinal stromal tumor (GISTs) in a seven-year-old male cross-breed dog. This was unique because of the expression of desmin by the tumor. Grossly, the white-gray tumor measured 8.0 × 4.0 × 6.5 cm and was 760 gram in weight. It was cystic and enveloped the jejunum. ...

Blue Conjunctival Nevi: A Benign Tumor of Atypical Localization, Conjunctival Blue Nevus: Benign Tumor Formed at an Atypical Location

Composite Tumor Associating Trichoblastoma and Seborrheic Keratosis

Seborrheic keratosis is a common benign epidermal tumor histologically composed of basaloid and squamous cells. It mainly occurs on the face, scalp, and trunk, and presents clinically as a well-circumscribed, brownish to black papule, nodule, or plaque. Trichoblastoma is a relatively rare benign, slow-growing tumor showing differentiation toward the primitive hair follicle. It clinically manife...

a case report of atypical borreliosis in a dog

borreliosis is a bacterial zoonosis transmitted by arthropods. the infection is more common in dogs than other domestic animals. a one-month-old puppy with fever, jaundice and digestion disorder was referred to small animal hospital. laboratory results included severely regenerative anemia, neutrophilia, thrombocytopenia, strong spirochetemia and significant changes in serum proteins. the attem...