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Case No. 160
0000-00-00~0000-00-00
출제자 : 관리자
Hit : 282
| Period | 0000-00-00~0000-00-00 |
|---|---|
| Diagnosis | |
| Clinical information | 41세 남자, 외부병원에서 시행한 목 초음파 검사에서 이상 소견 발견하여 내원. |
| Discussion | Lingual thyroid Relatively rare (occur in 1 in 3000 cases of thyroid dz.) Failure of descent of the thyroid → lingual thyroid gland at the base of the tongue m/c type of functioning ectopic thyroid tissue absence of the normal cervical thyroid in 70% clinical manifestations: incidental mass on the tongue base, dysphagia, dysphonia, dyspnea Hypothyroidism (hyperthyroidism is rare) -> mass to enlarge and become symptomatic Imaging findings: mass extending from the midline mucosal surface of the tongue base into the medial SLS. CT scans show the lesion as hyperdense with or without CE. higher SI than muscle on both T1, T2WI. 99mTc pertechnetate scan, I-123 scintigraphy |
| Correct answer |
Correct AnswerSemi-Correct Answer |