norwegian scabies Crusted scabies NCI:C34855 DOID:14374 UMLS_CUI:C0028425 SNOMEDCT_US_2020_03_01:128870005 A scabies that involves infestation of human itch mite Sarcoptes scabiei type hominis in immunocompromised and elderly persons, which is characterized by vesicles and formation of thick crusts over the skin, accompanied by abundant mites but only slight itching. disease_ontology scabies