• 대한기관식도과학회지
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• 제17권1호
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• pp.50-52
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• 2011

Ectopic thyroid gland is a defined as thyroid tissue located in a site other than its usual pre-tracheal location. Ultrasound examination, CT scan, thyroid scan, and thyroid iodine uptake test are all valuable modalities for a differential diagnosis. Although most of cases are asymptomatic, treatment is indicated when there are symptoms related to progressive growth of mass. This article reports a ectopic thyroid cyst in the anterior neck that was similar to deep neck infection accompanied by acute airway obstruction.

• 대한기관식도과학회지
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• 제3권2호
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• pp.318-322
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• 1997

Lingual thyroid is the term applied to a mass of ectopic thyroid tissue located on the base of the tongue in the midline. It may be found anywhere between the circumvallate papillae and the epiglottis. It is believed to be caused by developmental anomalies involving the descent of the embryologic gland anlage from its position posterior to the tuberculum impar to its normal pretracheal location between week 3 and week 7 of embryologic development. Differential diagnosis of the lingual thyroid would include lingual tonsillar hypertrophy, vallecular cyst, thyroglossal duct cyst, epidermal cyst, lymphoma. Lingual thyroid is found in approximately 1 in 100,000 people, and affected individuals have no other thyroid tissue in 70% to 100% of cases. Recently, we have experienced a case of lingual thyroid with mild dysphagia in a 48-year-old male. Now we report the case with literature review.

• Korean Journal of Radiology
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• 제22권1호
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• pp.139-154
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• 2021

Magnetic resonance imaging (MRI) has become a crucial tool for evaluating mediastinal masses considering that several lesions that appear indeterminate on computed tomography and radiography can be differentiated on MRI. Using a three-compartment model to localize the mass and employing a basic knowledge of MRI, radiologists can easily diagnose mediastinal masses. Here, we review the use of MRI in evaluating mediastinal masses and present the images of various mediastinal masses categorized using the International Thymic Malignancy Interest Group's three-compartment classification system. These masses include thymic hyperplasia, thymic cyst, pericardial cyst, thymoma, mediastinal hemangioma, lymphoma, mature teratoma, bronchogenic cyst, esophageal duplication cyst, mediastinal thyroid carcinoma originating from ectopic thyroid tissue, mediastinal liposarcoma, mediastinal pancreatic pseudocyst, neurogenic tumor, meningocele, and plasmacytoma.

• Advances in pediatric surgery
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• 제3권1호
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• pp.24-31
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• 1997

Thirty-four consecutive cases of thyroglossal duct lesions in children were reviewed at the Department of Surgery, Chonbuk National University Hospital. Twenty patients were males, and the most prevalent age of discovering was 2 to 4 years (52.9%). Resection was performed within 2 years after discovering the lesions in 19 cases, but was delayed untill 4 to 10 years in 6 cases. Cystic lesions (85.3%) were 5.8 times more common than fistulas. A midline upper neck mass was found in every cystic cases, and a draining sinus at hyoid region was noticed in fistula patients. The location of the lesion was on the hyoid bone in 34 cases, at the midline in 31 cases, slightly to the left in 2 cases, and slightly to the right in 1. Two cases were misdiagnosed as lymphadenopathy, and a single case of ectopic thyroid gland was misinterpreted as a thyroglossal duct cyst. Modified Sistrunk operation was performed in twenty-three cases(67.6%), Sistrunk operation in 9(26.5%), and cyst excision in 2(5.9%). Postoperative complications occurred in 4 cases(11.8%); 2 wound infections and 2 recurrences. One of recurrences was a fistula treated by modified Sistrunk operation, and the other was a cyst treated by cyst excision.

• 대한기관식도과학회:학술대회논문집
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• 대한기관식도과학회 1981년도 제15차 학술대회연제순서 및 초록
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• pp.10-10
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• 1981

갑상설관 낭포는 선천적으로 갑상설관의 잔류물에 기인하여 발생하는 비교적 드문 질환의 하나로 설저에서 갑상선에 이르는 갑상설관의 경로중 어디서나 발견된다. 1961연부터 1980연까지 20연간 국립의료원 이비인후과에 입원, 근치수술을 받은바 있는 62례의 환자를 대상으로 임상적 및 병리조직학적 조사결과 다음과 같은 결론을 얻었다. 1) 연령분포상 62례중 20세미만이 45례(72.6%)로 대부분이며, 초기증상 발현시기는 10세미만이 36례(58.0%), 병역기간은 1년미만이 23례(37.0%)로 많고, 남여비는 1.2 : 1이다. 2) 증상은 48례(77.4%)에서 낭포촉지, 14례(22.6%)에서 루관을 통한 분필물, 그 외 연하장애 등이 있었다. 3) 위치는 88.7%가 정중위, 1.6%가 우측위, 9.7%가 좌측위며, 설골직하부가 75.8%, 설골직상부가 17.7%, 음저부가 1.6%, 흉골상부가 4.8%이였다. 4) 루관형성 27례중 생후 자연발생이 7례, 인위적발생이 20례이었다. 5) 병리조직학적으로 조직 Slide가 보존된 41례중 5례(12.2%)에서 단일관, 20례(48.8%)에서 다발성이었고 16례(39.0%)에서 관구조를 발견할 수 없었고, 내면상피는 호흡상피와 편평상피가 주되며, 염증반응은 15례에서 루관주위, 7례에서 낭주위에 보였으며 이행성 갑상선조직은 6례(14.6%)에서 발견되었으며, 1례에서 follicular adenoma가 있었다. 6) 술후재발은 Siskrunk type operation을 한 43례중 2례(4.6%), 단순제거술만 시행한 19례중 4례(21.1%)이었다.