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Open Access Case Report

A rare case of malignant triton tumor in the cerebellopontine angle

Li Gong1, Xiao-Yan Liu1, Wen-Dong Zhang1, Xiu-Juan Han1, Li Yao1, Shao-Jun Zhu1, Miao Lan1, Yan-Hong Li12* and Wei Zhang1*

Author Affiliations

1 Helmholtz Sino-German Laboratory for Cancer Research, Department of Pathology, Tangdu Hospital, Fourth Military Medical University, Xi’an, 710038, People’s Republic of China

2 Department of Gynaecology and Obstetrics, Tangdu Hospital, Fourth Military Medical University, Xi’an, 710038, People’s Republic of China

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Diagnostic Pathology 2012, 7:43  doi:10.1186/1746-1596-7-43

Published: 19 April 2012

Abstract

Malignant triton tumor (MTT) is defined as malignant peripheral nerve sheath tumor with rhabdomyoblastic differentiation. Intracranial MTT is extremely rare, and only four cases have been reported in the literature. Here, we report a case of MTT occurring in the cerebellopontine angle, and describe its histopathological characteristics, immunohistochemical features, and prognosis.

The virtual slide(s) for this article can be found here: http://www.diagnosticpathology.diagnomx.eu/vs/1336227313684480 webcite

Keywords:
Malignant triton tumor; Malignant peripheral nerve sheath tumor; S-100 protein; Myoglobin