48,830
edits
Difference between revisions of "Peripheral nerve sheath tumours"
Jump to navigation
Jump to search
m
Peripheral nerve sheath tumours (view source)
Revision as of 21:18, 29 January 2013
, 21:18, 29 January 2013→Micro
m (→Micro) |
|||
| Line 265: | Line 265: | ||
====Micro==== | ====Micro==== | ||
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 | 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. | cells. There is no nuclear atypia. Mitotic activity is not appreciated. No melanocytic nests are identified. | ||
The overlying epidermis matures to the surface. | The overlying epidermis matures to the surface. | ||