A dark red to purple papule with a characteristic hyperkeratotic or warty surface, which does not fully blanch with pressure.
A rapidly enlarging, ill-defined, purpuric patch or plaque resembling a bruise, commonly found on the scalp or face of the elderly.
A common, bright red to purple, dome-shaped papule that is typically small and appears in increasing numbers with age.
A firm, tender, bluish nodule or plaque with a cobblestone-like surface that is characteristically painful to palpation.
Presents as purplish-brown, non-blanching macules, patches, or nodules, often elongated along skin lines, particularly on the lower extremities.
A rapidly growing, bright red, friable papule that bleeds easily and is often surrounded by a collarette of scale.
Features a central red arteriole from which fine vessels radiate outwards like legs, blanching completely with central pressure.
Permanently dilated, fine, linear superficial blood vessels that appear as red lines on the skin and disappear with pressure.
A slow-growing, firm, dusky-red to violaceous plaque or nodule that is often tender and may have associated hypertrichosis.
A soft, compressible, dark blue or purple papule that completely empties with pressure, commonly seen on sun-exposed skin like the lips or ears.