Schöpf-Schulz-Passarge syndrome (MONDO_0009145) is a rare autosomal recessive ectodermal dysplasia characterized by multiple eyelid apocrine hidrocystomas, palmoplantar keratoderma, hypotrichosis, hypodontia and nail dystrophy. Also known as: SSPS, eccrine tumors-ectodermal dysplasia, keratosis palmoplantaris-cystic eyelids-hypodontia-hypotrichosis syndrome, palmoplantar hyperkeratosis-cystic eyelids-hypodontia-hypotrichosis syndrome, palmoplantar keratoderma-cystic eyelids-hypodontia-hypotrichosis syndrome.