Vertebral lymphosarcoma as the cause of hind limb paresis in a horse.
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Animals↗
Biomedical subjects
D H Zeman
Publications and source records attributed to D H Zeman.
Scrotal cestodiasis in a dog.
Scrotal cestodiasis was diagnosed from a surgical biopsy specimen from an 8-year-old Miniature Poodle. Peritoneal cestodiasis with secondary scrotal cestodiasis was suspected and could be explained by migration of the parasite along the vaginal tunics. Subsequent necropsy confirmed severe peritoneal cestodiasis due to Mesocestoides sp. It appears that scrotal cestodiasis may be an early indicator of peritoneal cestodiasis in male dogs and diagnostic pathologists and clinicians should be aware of this condition.
Animals↗
Lethal short-limbed dwarfism in a rhesus monkey.
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Animals↗
Intracranial squamous cell carcinoma in a cow.
An exophthalmic right eye was surgically removed from a nine year old Holstein cow. Subsequent post mortem examination revealed a large intracranial mass at the base of the brain which was diagnosed as a squamous cell carcinoma. The orbital and sphenoid bones were intact and it is believed that the neoplasm entered the cranial cavity from the orbit via the foramen orbitorotundum. Both intracranial squamous cell carcinoma and extension of orbital neoplasia through foramina are rare.
Animals↗
Holoprosencephaly in a bovine calf.
Holoprosencephaly, a rare brain malformation previously unreported in the bovine species, was observed in a female Hereford calf. The malformation was characterized by lack of the longitudinal cerebral fissure and the falx cerebri with fusion of the cerebral hemispheres and a single hydrocephalically dilated lateral ventricle, absence of olfactory bulbs and nerves, corpus callosum and septum pellucidum, and heterotopia. The face was flat. There were mild ocular hypotelorism and severe microphthalmia. The morphological features of this bovine case were compared to those of human infants, and various possible etiologic factors and pathogenesis were discussed.
Abnormalities, Multiple↗
Encephalitozoonosis in squirrel monkeys (Saimiri sciureus).
Twenty-two cases of naturally occurring encephalitozoonosis in squirrel monkeys are reported from breeding colonies of the Delta Regional Primate Research Center, Covington, La. Characteristic foci of granulomatous inflammation and organisms were demonstrated in brains, kidneys, lungs, adrenals, and livers. Vasculitis and perivasculitis were also common lesions in several organs. At least seven cases were congenital while ten others occurred in monkeys less than nine months old. Granulomatous placentitis, previously unreported in any species due to Encephalitozoon cuniculi, was present in one monkey.
Animals↗