Congenital infiltrative lipomas in a calf

Correspondence: 1 Corresponding Author: Marlene Sickinger, Frankfurter Str. 110, 35392 Giessen, Germany. marlene.sickinger{at}vetmed.uni-giessen.de The current report describes a case of congenital subcutaneous and intramuscular tumors of the neck and tail base in a 4-week-old female Angus-Charolais crossbred calf. Results of clinical and ultrasound examination are summarized. Biopsy and necropsy findings indicated an infiltrative lipoma. Congenital lipomas are uncommon tumors in bovids. Clinical and morphologic differentials, as well as classification and the possible pathogenesis of congenital neoplasms, are discussed. Key Words: Bovine • calves • congenital neoplasia • infiltrative lipoma