Sisters with no pain, no tears: A report of a new variant of hereditary sensory and autonomic neuropathy (Type IX) Caused by a novel SCN11A mutation

Lack of pain sensation in children involves a rare group of heritable disorders; tashi bharucha hereditary sensory and autonomic neuropathy (HSAN).Till date, eight types of HSAN have been described depending on the clinical phenotype and the underlying gene mutation.We report a new variant of houston astros cake ideas HSAN (Type IX) in two siblings (of Indian origin) with a novel mutation of SCN11Agene and a distinct clinical phenotype.