Characterized by annular plaques with a slightly raised papular border and a distinct atrophic, wrinkled center, often in sun-exposed areas.
Metastatic Crohn's disease can cause granulomatous nodules, plaques, or ulcers on the skin, distant from the gastrointestinal tract.
Presents as a ring of firm, skin-colored or erythematous papules without any surface scale, resulting from palisading granulomas in the dermis.
A very rare variant of CTCL characterized by the slow development of pendulous, lax, and wrinkled folds of skin in intertriginous areas.
Typically on the shins, this condition presents as a waxy, atrophic, yellowish plaque with a violaceous, raised border, showing a layered or 'tiered' granuloma on histology.
Presents as yellowish or red-brown plaques and nodules that tend to ulcerate, often in the periorbital region and associated with a monoclonal gammopathy.
A firm, non-tender, subcutaneous nodule over a joint, which histologically is a palisading granuloma with a central area of fibrinoid necrosis.
The release of keratin into the dermis from a ruptured cyst elicits a foreign-body giant cell granulomatous reaction.
The classic non-caseating granulomatous disease, presenting on skin as reddish-brown or violaceous papules and plaques, which show a classic 'apple-jelly' color on diascopy.
Tertiary syphilis causes a destructive, caseating granulomatous lesion called a gumma.