Neurofibromatosis, type 1 patient is at increased risk of developing which of the following malignant neoplasms?

Neurofibromatosis type 1 (NF1), Appearance of a neurofibrosarcoma in a neurofibroma. Neurofibrosarcoma, also known as peripheral nerve sheath tumor, is a malignant tumor that develops in the cells surrounding the peripheral nerves. NF1 also associated with neurogenic tumors, including meningioma, optic glioma, and pheochromocytoma.