Alternative titles and symbols : Lichen amyloidosis, familial; Amyloidosis ix; PCA; PCA1; Amyloidosis, familial cutaneous lichen; Amyloidosis, primary cutaneous, 1;
Description : Primary localized cutaneous amyloidosis is characterized clinically by pruritus and
skin scratching and histologically by the finding of deposits of amyloid staining
on keratinous debris in the papillary dermis (summary by Tanaka et al., 2009). - Genetic
Heterogeneity of Primary Localized Cutaneous Amyloidosis Primary localized cutaneous
amyloidosis-2 (613955) is caused by heterozygous mutation in the IL31RA gene (609510)
on chromosome 5q11.2.;
Inheritance : Autosomal dominant;
Molecular basis : Caused by mutation in the oncostatin-M receptor gene (OSMR, 601743.0001);