Lingual thyroid.
D002648:Child; D000013:Congenital Abnormalities / Q000175:diagnosis; D006801:Humans; D007457:Iodine Radioisotopes; D008297:Male; D011877:Radionuclide Imaging; D013961:Thyroid Gland / Q000002:abnormalities*; D014059:Tongue / Q000002:abnormalities*
D007457:Iodine Radioisotopes