Difference between revisions of "Peripheral nerve sheath tumours"

Peripheral nerve sheath tumours (view source)

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 ====Micro====
-The sections show skin with poorly circumscribed groups of bland dermal spindle cells with wavy nuclei and pale-eosinophilic cytoplasm. Mast cells are seen scattered throughout the lesion. There is no nuclear atypia. Mitotic activity is not appreciated.
+The sections show skin with a lesion composed of irregular-shaped groups of bland dermal spindle cells with wavy nuclei and pale-eosinophilic cytoplasm. Mast cells are seen scattered throughout the lesion. Thick collagen separates the clusters of the spindle
+cells. There is no nuclear atypia. Mitotic activity is not appreciated.
 The overlying epidermis matures to the surface.