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- W2072361809 abstract "The spectrum of clinical findings associated with PTEN tumor suppressor gene germline mutations, referred to as PTEN hamartoma-tumor syndrome (PHTS), includes Cowden and Bannayan-Riley-Ruvalcaba syndromes. Although the skin is the ectodermal structure most often affected by these autosomal dominant genodermatoses, abnormalities of neural tissues are frequently observed.We describe a 5-year-old boy with macrocephaly, prominent corneal nerves, and progressive development of multiple painful, dome-shaped, translucent pink to skin-colored papules on the vermilion portion of the upper lip, fingers, palms, and shins. Histologic evaluation demonstrated dermal proliferation of well-demarcated nerve bundles associated with abundant mucin and surrounded by a distinct perineural sheath, findings diagnostic of a nonencapsulated neuroma. Genetic analysis revealed a novel heterozygous germline nonsense mutation in PTEN, predicted to result in a truncated PTEN protein. To our knowledge, this represents the first report of multiple neuromas as the sole mucocutaneous manifestation of PHTS.This article highlights neuromas as a cutaneous sign of PHTS, drawing attention to manifestations of PHTS in neural tissues of the skin, eye, gastrointestinal tract, and brain. Along with multiple endocrine neoplasia type 2B, PHTS should be considered in the differential diagnosis of multiple mucocutaneous neuromas, particularly those involving extrafacial sites." @default.
- W2072361809 created "2016-06-24" @default.
- W2072361809 creator A5034535391 @default.
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- W2072361809 creator A5065205547 @default.
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- W2072361809 creator A5089812409 @default.
- W2072361809 date "2006-05-01" @default.
- W2072361809 modified "2023-10-16" @default.
- W2072361809 title "Mucocutaneous Neuromas" @default.
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- W2072361809 doi "https://doi.org/10.1001/archderm.142.5.625" @default.
- W2072361809 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/16702501" @default.