Erschienen in:
14.02.2023 | Correspondence
SMARCA4-associated schwannomatosis
verfasst von:
Fiona Chan-Pak-Choon, Carla Roca, Anne-Sophie Chong, Clara Nogué, Sonja Dahlum, Rachel Austin, Helen Mar Fan, Karin Y. van Spaendonck-Zwarts, Neil K. Lambie, Thomas Robertson, Reiner Siebert, Barbara Rivera, William D. Foulkes
Erschienen in:
Acta Neuropathologica
|
Ausgabe 4/2023
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Excerpt
Schwannomatosis is a disorder characterized by a predisposition to multiple benign spinal, peripheral and intracranial nerve sheath tumours called schwannomas. The established molecular mechanism of schwannomatosis involves several genes located on Chromosome 22q (Chr22q), typically a germline
SMARCB1 or
LZTR1 pathogenic variant (PV), loss of heterozygosity (LOH) of Chr22q, and finally a somatic
NF2 PV which collectively lead to the inactivation of
SMARCB1 or
LZTR1, and
NF2 [
7]. Other Chr22q genes such as
DGCR8 also appear to be implicated, albeit rarely, in schwannomatosis [
11,
12]. …