Condition	Characteristics
Angiokeratoma (localized)	Solitary red to blue-black hyperkeratotic vascular papule or nodule located on an extremity; multiple lesions may occur in association with certain genetically transmitted diseases.
Angiosarcoma	Enlarging bruise, blue-black nodule, or unhealed ulceration; bleeding and pain may be present.
Cherry angioma	Bright-red to violaceous dome-shaped vascular lesion occurring primarily on the trunk; may multiply and simulate petechiae; asymptomatic.
Classic Kaposi’s sarcoma	Violaceous macules and papules on the toes or soles of the feet; slowly the sarcoma progresses to rubbery-textured plaques.
Eccrine poroma	Soft, nontender, slow growing; occurs on the soles or palms; may be verrucous or lobulated.
Hemangioma	Soft bright-red to deep-purple nodule or plaque in children; does not blanch entirely on diascopy; may ulcerate and become secondarily infected with lesion regression.
Nodular melanoma	Red, brown, or black nodule; grows rapidly; may ulcerate or bleed.
Pyogenic granuloma	Dome-shaped mass of granulation tissue; may be sessile or pedunculated with surrounding collarette of white scale.