Journal of the American Academy of Dermatology
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J. Am. Acad. Dermatol. · Aug 1997
Review Case ReportsMultiple idiopathic mucosal neuromas: a minor form of multiple endocrine neoplasia type 2B or a new entity?
Multiple endocrine neoplasia type 2B (MEN 2B) is a rare autosomal dominant process characterized by medullary thyroid carcinoma, pheochromocytoma, and mucosal neuromas. A point mutation at codon 918 of the RET protooncogene has been observed in approximately 90% of patients and families with MEN 2B. Mucosal neuromas are the most consistent and distinctive feature (100% of patients) of MEN 2B and are considered pathognomonic. ⋯ Examination did not reveal other abnormalities. After a follow-up of more than 22 years with periodic clinical, biochemical, and radiologic studies, no evidence of MEN 2B has been detected. Analysis of the RET protooncogene exons 10, 11, and 16 did not demonstrate point mutation in the MEN 2B region (M918T).
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J. Am. Acad. Dermatol. · Aug 1997
Review Case ReportsPlantar granulomatous cutaneous T-cell lymphoma.