Familial occurrence of "cryptothyroidism" with functioning ectopic thyroid tissue in solitary subhyoid localization.
D000293:Adolescent; D002648:Child; D003409:Congenital Hypothyroidism / Q000235:genetics*; D005260:Female; D006801:Humans; D008297:Male; D013961:Thyroid Gland / Q000002:abnormalities*