Crisponi/CISS1 Syndrome

What is it about?

Crisponi syndrome (CS) and cold‐induced sweating syndrome type 1 (CISS1) share clinical characteristics, such as dysmorphic features, muscle contractions, scoliosis, and cold‐induced sweating, with CS patients showing a severe clinical course in infancy involving hyperthermia associated with death in most cases in the first years of life.

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Why is it important?

The available functional and clinical data support the fact that both syndromes actually represent manifestations of the same autosomal‐recessive disorder caused by mutations in the CRLF1 gene. Therefore, we propose to rename the two overlapping entities with the broader term of Crisponi/CISS1 syndrome.

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