Occurrence of cerebrocortical necrosis in a goat in Okinawa prefecture, Japan. 2012

Masanao Matayoshi, and Osamu Tsuha, and Shusaku Shimoji, and Miho Araki, and Tsutomu Uchihara, and Tomotaka Arakaki, and Tomomi Ozawa
Okinawa Prefecture Central Livestock Hygiene Service Center, 2505 Oozato, Oozato, Nanjyo, Okinawa 901-1202, Japan. matayoma@pref.okinawa.lg.jp

A 6-month-old male Nubian goat suddenly showed dullness, tachypnea, recumbency and opisthotonus in August 2011 in Okinawa, Japan. The goat was consequently necropsied: gross lesions in the brain included slightly swollen foci of yellowish discoloration on the cerebral hemisphere. Histopathologically, necrosis of the cortex with ischemic changes of neuronal cells was present, and swelling of the vascular endothelium, thickening of the basement membrane and diffuse infiltration of macrophages were observed in the cerebral lesion. Autofluorescence of the cerebral cortex was confirmed by an ultraviolet light test. The thiamine levels of the blood serum and tissue samples (brain, liver and heart) of the goat were low compared with goats from the same herd. The goat was diagnosed with cerebrocortical necrosis (CCN). This is the first case report of caprine CCN in Japan.

UI MeSH Term Description Entries
D007564 Japan A country in eastern Asia, island chain between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula. The capital is Tokyo. Bonin Islands
D008099 Liver A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances. Livers
D008297 Male Males
D009206 Myocardium The muscle tissue of the HEART. It is composed of striated, involuntary muscle cells (MYOCYTES, CARDIAC) connected to form the contractile pump to generate blood flow. Muscle, Cardiac,Muscle, Heart,Cardiac Muscle,Myocardia,Cardiac Muscles,Heart Muscle,Heart Muscles,Muscles, Cardiac,Muscles, Heart
D009336 Necrosis The death of cells in an organ or tissue due to disease, injury or failure of the blood supply.
D001774 Blood Chemical Analysis An examination of chemicals in the blood. Analysis, Blood Chemical,Chemical Analysis, Blood,Analyses, Blood Chemical,Blood Chemical Analyses,Chemical Analyses, Blood
D001921 Brain The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM. Encephalon
D002540 Cerebral Cortex The thin layer of GRAY MATTER on the surface of the CEREBRAL HEMISPHERES that develops from the TELENCEPHALON and folds into gyri and sulci. It reaches its highest development in humans and is responsible for intellectual faculties and higher mental functions. Allocortex,Archipallium,Cortex Cerebri,Cortical Plate,Paleocortex,Periallocortex,Allocortices,Archipalliums,Cerebral Cortices,Cortex Cerebrus,Cortex, Cerebral,Cortical Plates,Paleocortices,Periallocortices,Plate, Cortical
D006041 Goats Any of numerous agile, hollow-horned RUMINANTS of the genus Capra, in the family Bovidae, closely related to the SHEEP. Capra,Capras,Goat
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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