Progressive nodular histiocytosis in a 9-year-old boy treated with cobimetinib
Pediatric dermatology(2022)
摘要
Progressive nodular histiocytosis is a rare variant of non-Langerhans cell histiocytosis that affects the skin and mucous membranes and displays a progressive clinical course and poor response to treatment. We describe a case of severe progressive nodular histiocytosis harboring a KRAS p.G12S mutation in a 9-year-old boy, refractory to chemotherapy, who was successfully treated with the MEK inhibitor cobimetinib. This is the first report of the use of MEK inhibition for this histiocytosis subtype in a pediatric patient.
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关键词
cobimetinib,non-Langerhans histiocytosis,progressive nodular histiocytosis
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