Omid Dezfoulian

Department of Pathobiology, Faculty of Veterinary Medicine, Lorestan University, Khorramabad, Iran

[ 1 ] - Cerebral astrocytoma in a sheep

Astrocytoma as one of the most common central nervous system (CNS) tumors is rarely reported in veterinary literature. A 7-year-old Persian Lori-Bakhtiari ewe was presented to the clinic with a two months history of progressive blindness, nystagmus to the right, bilaterally decreased pupillary reflexes, head pressing and paddling. At necropsy, a whitish well-circumscribed mass with dimensions o...

[ 2 ] - Multicentric lymphoma in a Rottweiler dog with bilateral ocular involvement: A case report

A 10-year-old, male Rottweilerdog was presented to Small Animal Hospital of Tehran University with a history of lethargy, anorexia, weight loss, vomiting, polyuria, polydipsia and blindness. The dog showed symptoms of depression, high body temperature (39.2 ˚C), tachypnea (40 breaths min-1) and cachexia. In ophthalmic examination, bilateral hyphema (hemmorrahge in anterior chamber of...

[ 3 ] - Metastatic giant cell osteosarcoma in a cat

A four-year-old male Persian cat was referred with three weeks history of progressive lameness due to a rigid osseous mass with 3.50×2.50×2.00 cm in dimensions in his left arm. In the histopathological evaluation of bone biopsy, two distinct populations of cells including multinucleated giant cells and oval cells which embedded in a fibro-osseous stroma and surrounded by lamellar bone trabecula...