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Clinical Sarcoma Research

, 2:17

Epidemiology of sarcomas

Abstract

BackgroundMalignant peripheral nerve sheath tumours MPNST are rare tumours known to occur at high frequency in neurofibromatosis 1 NF1, but may also occur in other cancer prone syndromes.

MethodsThe North West Regional Genetic Register covers a population of 4.1 million and was interrogated for incidence of MPNST in 12 cancer prone syndromes. Age, incidence and survival curves were generated for NF1.

ResultsFifty two of 1254 NF1 patients developed MPNST, with MPNST also occurring in 2-181 cases of schwannomatosis and 2-895 NF2 patients. Three cases were also noted in TP53 mutation carriers. However, there were no cases amongst 5727BRCA1-2 carriers and first degree relatives, 2029 members from Lynch syndrome families, nor amongst 447 Familial Adenomatous Polyposis, 202 Gorlin syndrome, nor 87 vHL cases.

ConclusionMPNST is associated with schwannomatosis and TP53 mutations and is confirmed at high frequency in NF1. It appears to be only increased in NF2 amongst those that have been irradiated. The lifetime risk of MPNST in NF1 is between 9–13%.

KeywordsSarcoma MPNST NF1 Li Fraumeni TP53 SMARCB1 NF2 Electronic supplementary materialThe online version of this article doi:10.1186-2045-3329-2-17 contains supplementary material, which is available to authorized users.

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Autor: D Gareth R Evans - Susan M Huson - Jillian M Birch

Fuente: https://link.springer.com/article/10.1186/2045-3329-2-17







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