Localization
trunk
extremities
subungual (rare) (#14507406#)
Microscopical synopsis
paucicellular tumor
hyperchromatic spindled, pleomorphic, floret-like giant cells embedded in haphazardly arranged collagen bundles in the dermis
no mitotic figures
Immunochemistry
vimentin +
S-100 -
cytokeratin -
smooth muscle actin -
factor XIIIa -
CD34 -