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Difference between revisions of "Dermatologic neoplasms"
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→Microscopic: tweak
(→Dermal cylindroma: expand) |
(→Microscopic: tweak) |
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===Microscopic=== | ===Microscopic=== | ||
Features:<ref name=pmid16882695/> | Features:<ref name=pmid16882695/> | ||
*Nests of | *Nests of cells that fit together like a jigsaw puzzle - the borders of the nests are opposed and undulate. | ||
*#Basaloid cells with scant cytoplasm and dark nuclei palisade around the edge of the nests. | |||
*#Larger cells with moderate eosinophilic cytoplasm and lighter staining nuclei are at the centre of the nests. | |||
*Cells nests surrounded by a band of hyaline (i.e. glassy, eosinophilic, acellular) material ~ 2X thickness of a basilar cell - '''key feature'''. | *Cells nests surrounded by a band of hyaline (i.e. glassy, eosinophilic, acellular) material ~ 2X thickness of a basilar cell - '''key feature'''. | ||
**This is basement membrane. | **This is basement membrane. | ||