Well demarcated/encapsulated solitary neural tumor

Etiology: Proliferation of cells of nucleated sheath of Schwann

Histology: Schwann cells + fibroblasts + collagen/ground substance

• Antoni A: Parallel arrays of collagen fibers & spindle cells + palisaded nuclei
• Antoni B: Disorderly cells & collagen fibers – in mucinous microcystic stroma

No treatment to avoid further damage, regular check ups

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