期刊
JOURNAL OF COMPARATIVE PATHOLOGY
卷 187, 期 -, 页码 83-88出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jcpa.2021.07.005
关键词
disseminated histiocytic sarcoma; immunohistochemistry; pathology; sugar glider
A 6-year-old intact female sugar glider presented with a swelling at the pouch region and died 8 days later. Necropsy revealed disseminated histiocytic sarcoma, a neoplasm not previously reported in sugar gliders.
A 6-year-old intact female sugar glider (Petaurus breviceps) had a swelling at the pouch region and died 8 days after presentation. At necropsy, the urinary bladder and abdominal lymph nodes were enlarged and a mass was located in the pericloacal region. Tumour infiltration was also observed in the medial iliac lymph nodes, liver, spleen, small intestine, uterus and left ovary. Histopathologically, the tumours were composed of pleomorphic histiocytes that had round or bizarre nuclei and abundant pale eosinophilic cytoplasm. Immunohistochemically, tumour cells were positive for ionized calcium-binding adaptor molecule 1 and human leukocyte antigen and negative for CD3, B lymphocyte antigen 36 and cytokeratin. Histopathological and immunohistochemical examinations confirmed a diagnosis of disseminated histiocytic sarcoma. This neoplasm has not been previously reported in a sugar glider. (C) 2021 Elsevier Ltd. All rights reserved.
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