Sandbox: Kaposi
Clincal Stage | Histologic Features |
---|---|
Macular stage |
Thin-walled, angulated vessels throughout dermis, with hemosiderin and plasma cell infiltrate |
Patch stage |
Angulated lumina that dissect dermal collagen Vessels may proliferate around well-developed round venules (premonitory sign) Angiomatoid vascular spaces with red blood cells are surrounded by spindle cells in short fascicles |
Tumor stage |
Solid nodules with extensive spindle cells and red blood cells in slit-like lumina No/rare mitotic activity or atypia |
Lymphangioma-like variant |
Thin, angulated vessels with no red blood cells |