Clinicopathological Proficiency in the Diagnosis of Kaposi's Sarcoma

Table 6

Differential diagnosis of Kaposi’s sarcoma.

Patch stage		Plaque stage	Nodular stage	Aggressive late stage
Early macular	Late macular
Pyogenic granuloma	Well-differentiated angiosarcoma	Angioendotheliomatosis	Pyogenic granuloma	Desmoplastic malignant melanoma
		Acroangiodermatitis	Bacillary angiomatosis	Fibrosarcoma
Atrophic histiocytoma	Progressive lymphangioma	Benign-disseminated angioproliferation	Spindle cell hemangioma	Leiomyosarcoma
			Kaposi-form hemangioendothelioma	Monophasic synoviosarcoma
Benign lymphangioendothelioma	Microvenular hemangioma	Dermatomyofibroma	Cutaneous leiomyosarcoma
	Granuloma annulare	Targetoid hemosideric angioma	Cutaneous angiosarcoma
			Hypertrophic scar
			Dermatofibroma/sarcoma protuberans
			Neurofibroma
			Spindle cell melanoma
			Fibrous histiocytoma