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Scar sarcoid (also known as "Sarcoidosis in scars") is a cutaneous condition characterized by infiltration and elevation of tattoos and old flat scars due to sarcoidosis. [2]: 710 Mucosal sarcoidosis is a cutaneous condition characterized by pinhead-sized papules that may be grouped and fused together to form a flat plaque. [2]: 711
Sarcoidosis (/ ˌ s ɑːr k ɔɪ ˈ d oʊ s ɪ s /; also known as Besnier–Boeck–Schaumann disease) is a disease involving abnormal collections of inflammatory cells that form lumps known as granulomata. [2] The disease usually begins in the lungs, skin, or lymph nodes. [2]
Löfgren syndrome is a type of acute sarcoidosis, [1] an inflammatory disorder characterized by swollen lymph nodes in the chest, tender red nodules on the shins, fever and arthritis. [2] It is more common in women than men, and is more frequent in those of Scandinavian, Irish, African and Puerto Rican heritage.
There have been 150,000 to 200,000 diagnosed cases of sarcoidosis in the U.S., and advocates are working to raise awareness and help find a cure.
Bile duct abnormalities (cholangitis, ductal injury, ductular reaction) can be seen and should prompt evaluation for primary biliary cholangitis or sarcoidosis if granulomas are observed. Plasma cell infiltrate, rosettes of hepatocytes, and multinucleated giant cells. Varying degrees of fibrosis (except in the mildest form of autoimmune hepatitis).
Livedo reticularis is a common skin finding consisting of a mottled reticulated vascular pattern that appears as a lace-like purplish discoloration of the skin. [1] The discoloration is caused by reduction in blood flow through the arterioles that supply the cutaneous capillaries, resulting in deoxygenated blood showing as blue discoloration ().
Along with Döhle bodies and toxic vacuolation, which are two other findings in the cytoplasm of granulocytes, toxic granulation is a peripheral blood film finding suggestive of an inflammatory process. [1]
Scar sarcoid (sarcoidosis in scars) Sea-blue histiocytosis; Subcutaneous granuloma annulare (deep granuloma annulare, pseudorheumatoid nodule) Subcutaneous sarcoidosis (Darier–Roussy disease, Darier–Roussy sarcoid) Systemic sarcoidosis; Ulcerative sarcoidosis; Xanthoma disseminatum (disseminated xanthosiderohistiocytosis, Montgomery syndrome)