BACKGROUND Malignant peripheral nerve sheath tumor is a rare soft tissue sarcoma of ectomesenchymal origin. It is the malignant counterpart of benign soft tissue tumors like neurofibromas and schwannomas and may often follow them. Common sites include deeper soft tissues, usually in the proximity of a nerve trunk. Breast is an extremely rare location of this lesion and presentation as a breast ...

Background: Malignant Peripheral Nerve Sheath Tumors (MPNSTs) are defined as malignant tumors arising from a peripheral nerve or displaying sheath differentiation. We report the first Korean case of MPNST ileum. Case Presentation: A 33-year-old female without family history neurofibromatosis type I complained lower abdominal pain. An abdomen computed tomography and enhanced magnetic resonance i...

BACKGROUND Malignant peripheral nerve sheath tumors are rare tumor entities that originate from peripheral nerve sheaths and have an unfavorable prognosis. Metastatic spread to the cerebral parenchyma is absolutely rare. This case report describes the clinical course in a 60-year-old man whose tumor came to medical attention because of a seizure. CASE PRESENTATION Magnetic resonance imaging d...

Malignant peripheral nerve sheath tumors are extremely rare soft tissue sarcomas. Among various locations, the trunk and extremities are the most commonly involved sites, with only 15% of such lesions occuring in head and neck region. Here, we report a case of a 74-year-old male who presented with forehead swelling and right eye deviation. Computed tomography images revealed a tumor involving t...