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Τετάρτη 23 Μαΐου 2018

Self-healing juvenile cutaneous mucinosis: Clinical and histopathologic findings of 9 patients

Publication date: June 2018
Source:Journal of the American Academy of Dermatology, Volume 78, Issue 6
Author(s): Isabelle Luchsinger, Jérôme Coulombe, Franco Rongioletti, Marc Haspeslagh, Anne Dompmartin, Isabelle Melki, Rawane Dagher, Brigitte Bader-Meunier, Sylvie Fraitag, Christine Bodemer
BackgroundSelf-healing juvenile cutaneous mucinosis (SHJCM) is a rare disorder, and its pathogenesis and long-term prognosis are unknown.ObjectiveTo elucidate the clinical and histopathologic characteristics, pathogenesis, and outcome in patients with SHJCM.MethodsRetrospective study of 9 patients with SHCJM. To complement initial findings, data collection forms were sent to the referring physicians.ResultsAll patients had an acute onset of firm nodules. Of the 9 patients, 6 presented initially with waxy papules on the dorsum of the hands; 5 suffered from periorbital edema, and 6 had a febrile prodrome. Histopathologic assessment of the papules revealed dermal mucin deposition, whereas the nodules showed proliferative fasciitis-like features or nonspecific chronic lobular panniculitis. Laboratory studies elicited evidence of active viral infection in 2 patients (human herpes virus 6 and rotavirus). Seven cases had spontaneous resolution within 6 months, and 2 patients with incomplete resolution showed subsequent transition to fibroblastic rheumatism and an autoinflammatory rheumatologic disease, respectively.LimitationsThis was a retrospective study with incomplete data from referring physicians.ConclusionsAlthough spontaneous complete regression is expected, patients with SHJCM need long-term follow-up because of the possible development of dematorheumatolgic conditions. The pathogenetic role of microbial agents deserves further investigation.



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