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Annular elastolytic giant-cell granuloma (also known as "Giant cell elastophagocytosis," [1] "Meischer's granuloma," [2] "Miescher's granuloma of the face" [1]) is a cutaneous condition characterized histologically by a dermal infiltrate of macrophages.
Granuloma annulare (GA) is a rare, [1] sometimes chronic skin condition which presents as reddish bumps on the skin arranged in a circle or ring. [2] It can initially occur at any age, though two-thirds of patients are under 30 years old, and it is seen most often in children and young adults.
Generalized granuloma annulare is a chronic granulomatous dermatosis that typically affects young adults' distal extremities and manifests as annular grouped papules. [2] On the trunk and extremities, numerous flesh-colored papules arranged in an annular pattern are the hallmark of generalized granuloma annulare. These lesions are frequently ...
Granuloma annulare is a skin disease of unknown cause in which granulomas are found in the dermis of the skin, but it is not a true granuloma. Typically, a central zone of necrobiotic generation of collagen is seen, with surrounding inflammation and mucin deposition on pathology.
When actinic granuloma-like lesions appear in non-exposed areas, the rash is known as annular elastolytic giant cell granuloma. Though these can be easily distinguished based on histopathologic features and laboratory findings, the differential diagnosis includes tinea corporis , sarcoidosis , subacute lupus erythematosus , granuloma annulare ...
Granuloma formation and multinucleated giant cells The main purpose of cytological examination in granulomatous dermatitis is to detect infectious agents. Foreign body materials are very specific for foreign body granuloma. Granuloma annulare: Palisading granuloma and mucin Necrobiosis lipoidica: Palisading granuloma and necrobiotic materials
Necrobiotic granuloma is described as aggregation of histiocytes around a central area of altered collagen and elastic fibers. Such a granuloma is typically arranged in a palisaded pattern. [2] It is associated with necrobiosis lipoidica and granuloma annulare. Necrobiosis differs from apoptosis, which kills a damaged cell to protect the body ...
Frequently seen in children before the age of 18, the pathology is similar to that of rheumatoid arthritis associated rheumatoid nodules. The nodules are non-tender and undergo rapid growth, but also resolve spontaneously. [12] A similar presentation occurring more intracutaneously (superficial) is known as granuloma annulare. [12]