title: Additional tests of interest to the dermatologist.
abstract: The carcinoid syndrome and its clinical manifestations have been discussed. The standard laboratory test for making that diagnosis is urinary 5-HIAA levels but newer, more sensitive tests may also be available.
authors.affiliation: Department of Dermatology, University of Texas-Houston Medical School.
authors.forename: K L
authors.initials: KL
authors.lastname: Farmer
mesh_terms: D000799:Angioedema / Q000097:blood / Q000175:diagnosis*; D003174:Complement C1 Inactivator Proteins / Q000032:analysis; D004890:Erythema / Q000209:etiology; D005934:Glucagon / Q000097:blood; D005935:Glucagonoma / Q000097:blood / Q000150:complications / Q000175:diagnosis*; D006632:Histamine / Q000652:urine; D006801:Humans; D006897:Hydroxyindoleacetic Acid / Q000652:urine; D008303:Malignant Carcinoid Syndrome / Q000175:diagnosis* / Q000652:urine; D008415:Mastocytosis / Q000175:diagnosis* / Q000652:urine; D010190:Pancreatic Neoplasms / Q000097:blood / Q000150:complications / Q000175:diagnosis*; D015434:Panniculitis / Q000097:blood / Q000175:diagnosis*; D007703:Peptidyl-Dipeptidase A / Q000097:blood; D012507:Sarcoidosis / Q000097:blood / Q000175:diagnosis*; D012871:Skin Diseases / Q000097:blood / Q000175:diagnosis* / Q000209:etiology; D013577:Syndrome; D019896:alpha 1-Antitrypsin Deficiency
chemical_list: D003174:Complement C1 Inactivator Proteins; D006897:Hydroxyindoleacetic Acid; D006632:Histamine; D005934:Glucagon; D007703:Peptidyl-Dipeptidase A