Neurofibrosarcoma

Neurofibrosarcoma is a rare tumor that accounts for 5% to 10% of malignant soft tissue tumors. The age of onset is more common in young and middle-aged people. The most common sites are head and neck, buttocks, extremities, and retroperitoneum. They can also occur on the back, abdominal wall, and mediastinum. Generally, it is a painless tumor mass that does not develop quickly. In some cases, there is pain in the affected limb first, and then there are tumors and neurological dysfunction. Local tenderness, with neurofibromatosis in 40% of cases. Due to the mild symptoms, the tumors are larger when they come to the clinic, and most of them have a diameter of more than 10cm.

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