Keywords: CIP, congenital insensitivity to pain; HED, hypohidrotic ectodermal dysplasia; HSAN, hereditary sensory and autonomic neuropathies; LCH, langerhans cell histiocytosis; OI, osteogenesis imperfecta; congenital insensitivity to pain; genetic diseases; hereditary sensory and autonomic neuropathies; pain insensitivity; pediatric dermatology.