1985
DOI: 10.1177/014107688507800714
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Cutaneous Granulomatous Vasculitis: Presenting Feature of Crohn's Disease

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Cited by 38 publications
(19 citation statements)
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“…These include an inflammatory infiltrate commonly consisting of sterile noncaseating sarcoid-type granulomas, foreign body and Langhans giant cells, epithelioid histiocytes, and plasma cells surrounded by numerous lymphomononuclear cells found within the dermis and occasionally extending into the subcutis [810, 12, 20, 26]. Some of these granulomas are arranged perivascularly with normal vessel walls [12, 28, 3133], whereas others exhibit a perivasculitic pattern, as they are associated with small- and medium-vessel vasculitis [12, 20, 21, 25, 27, 28, 34, 35]. The perivascular arrangement is attributed to the theory that MCD is the result of either deposition of immune complexes or circulating antigens within the skin [7, 28].…”
Section: Histologymentioning
confidence: 99%
“…These include an inflammatory infiltrate commonly consisting of sterile noncaseating sarcoid-type granulomas, foreign body and Langhans giant cells, epithelioid histiocytes, and plasma cells surrounded by numerous lymphomononuclear cells found within the dermis and occasionally extending into the subcutis [810, 12, 20, 26]. Some of these granulomas are arranged perivascularly with normal vessel walls [12, 28, 3133], whereas others exhibit a perivasculitic pattern, as they are associated with small- and medium-vessel vasculitis [12, 20, 21, 25, 27, 28, 34, 35]. The perivascular arrangement is attributed to the theory that MCD is the result of either deposition of immune complexes or circulating antigens within the skin [7, 28].…”
Section: Histologymentioning
confidence: 99%
“…In 20% of cases, MCD precedes the diagnosis of intestinal Crohn disease, with skin lesions occurring 3 months to 9 years prior to gastrointestinal disease, [96,97] and it has been proposed that the timing of cutaneous and gastrointestinal disease presentation may be related to age. [98] It was first postulated that MCD lesions are caused by deposits of immune complexes in the skin, [99] which ultimately result in granulomatous reactions.…”
Section: Why Does Metastatic Crohn Disease Persist After Surgical Remmentioning
confidence: 99%
“…O segundo tipo inclui manifestações cutâneas secundári-as à deficiência nutricional e reativas (imuno-relacionadas, porém sem componente granulomatoso), tais como acrodermatite enteropática (deficiência adquirida de zinco), pioderma gangrenoso, eritema nodoso, eritema multiforme, epidermólise bolhosa, amiloidose sistêmica secundária, vitiligo, pustulose palmo-plantar (19) Um segundo mecanismo sugerido, foi de reação de hipersensibilidade tipo IV, ou seja, mediada por linfócitos T, responsável pela formação dos granulomas extraintestinais e vasculite cutânea, posteriormente com necrose e ulceração da pele sobrejacente. (20)(21)(22)(23) Recentemente, novas pesquisas tentam atribuir como causas a mutação da integrina beta-2, (24) de populações de monócitos CD14+ (25) e do gene de reparo do DNA MLH-1. (26) Histologicamente, a DCM se caracteriza por granulomas cutâneos não-caseosos, com células gigantes multinucleadas de Langhans e do tipo corpo estranho, os quais se distribuem na derme superficial, derme profunda e no tecido adiposo, similares aos granulomas do trato gastrointestinal.…”
Section: Discussionunclassified