title: Cerebellar myxoid type meningioma in a Shih Tzu dog.
abstract: A 6-year and 9 month-old, male, Shih Tzu dog showed ataxia and trembling. By MRI examination, a mass (1 cm) was found in the right cerebellum. As the dog did not respond to radiation therapy, and showed a rise of intracranial pressure, he was euthanized. The cerebellar mass was soft and hemorrhagic. Histologically, the mass contained vimentin-positive spindle- or polyhedral-shaped cells arranged in a cord-like pattern. Mucinous materials were observed in the intercellular spaces. Ultrastructural examination revealed cell processes, microtubule-like structures and desmosomes. The case was diagnosed as myxoid type meningioma.
authors.affiliation: Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan.
authors.forename: Michio
authors.initials: M
authors.lastname: Suzuki
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Nakayama
authors.forename: Ryoichi
authors.initials: R
authors.lastname: Ohtsuka
authors.forename: Akira
authors.initials: A
authors.lastname: Yasoshima
authors.forename: Kei-ichi
authors.initials: K
authors.lastname: Katayama
authors.forename: Koji
authors.initials: K
authors.lastname: Uetsuka
authors.forename: Minako
authors.initials: M
authors.lastname: Ohta
authors.forename: Satoru
authors.initials: S
authors.lastname: Matsunaga
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Ogawa
authors.forename: Kazuyuki
authors.initials: K
authors.lastname: Uchida
authors.forename: Kunio
authors.initials: K
authors.lastname: Doi
mesh_terms: D000818:Animals; D002528:Cerebellar Neoplasms / Q000175:diagnosis / Q000473:pathology / Q000662:veterinary*; D002817:Chordoma / Q000175:diagnosis / Q000473:pathology / Q000662:veterinary; D003937:Diagnosis, Differential; D004283:Dog Diseases / Q000175:diagnosis* / Q000473:pathology; D004285:Dogs; D017809:Fatal Outcome; D008279:Magnetic Resonance Imaging / Q000662:veterinary; D008297:Male; D008577:Meningeal Neoplasms / Q000175:diagnosis / Q000473:pathology / Q000662:veterinary*; D008579:Meningioma / Q000175:diagnosis / Q000473:pathology / Q000662:veterinary*