Pili annulati in a case of Rothmund-Thomson syndrome with a novel frameshift mutation in RECQL4

Abstract

Rothmund-Thomson syndrome (RTS) is a rare autosomal recessive genodermatosis characterised by erythematous patches or plaques and sometimes swelling and blisters, which appear during infancy on photo-exposed sites, usually the cheeks, then progress to poikiloderma. Other features include gastrointestinal disturbance, short stature, sparse scalp hair/eyebrows/eyelashes, skeletal abnormalities, juvenile cataracts, hypogonadism and a susceptibility to malignancy. Two forms have been described: Type I, characterised by poikiloderma, ectodermal dysplasia and juvenile cataracts, negative for the RECQL4 mutation, and Type II, with poikiloderma, congenital bone defects and increased risk of osteosarcoma related to deleterious RECQL4 mutations.

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