crusted scabies http://purl.bioontology.org/ontology/MEDDRA/10029791 http://purl.bioontology.org/ontology/SNOMEDCT/128870005 http://purl.obolibrary.org/obo/DOID_14374 http://purl.obolibrary.org/obo/NCIT_C34855 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. Norwegian scabies scabies itch mite infestation