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고중화,소의영<SUP>1<.SUP>,양해동<SUP>2<.SUP>,전정민,김영주,이승주,Joong-Wha Koh,M.D.,Euy Young Soh,M.D.<SUP>1<.SUP>,Hae-Dong Yang,M.D.<SUP>2<.SUP>,Jeong-Min Chun,M.D.,Youngju Kim,M.D. and Seongju Lee,M.D. 대한갑상선-내분비외과학회 2001 The Koreran journal of Endocrine Surgery Vol.1 No.2
Purpose: Voice change after thyroidectomy has generally been the result of damage to the recurrent or superior laryngeal nerve. But many patients complain voice alteration without laryngeal nerve injury after thyroidectomy. The purpose of this study is to investigate whether strap muscle division results in any subjective or objective functional sequelae in voice, through long-term follow-up prospectively. Methods: Twenty-two female patients who had undergone thyroid surgery between July 1998 and December 1999, were studied. The patients who were planned for neck dissection, who had benign laryngeal disease or vocal cord paresis, and whose vocal cord paresis were developed after thyroid surgery, were excluded from this study. Twelve patients had undergone thyroidectomy via retraction of strap muscle and ten patients had undergone thyroidectomy via cutting of strap muscle. For evaluation of voice, questionnaires for changes of voice, acoustics (fundamental frequency, jitter, shimmer, signal to noise ratio, noise to harmonic ratio, voice range), and aerodynamic (maximal phonation time) analyses were done. Results: The subjective voice symptoms after thyroidectomy were disturbances of high pitch, singing, loud voice, and easy fatigue at phonation. There were no significant differences in voice parameters on acoustic and aerodynamic analyses between the strap muscle retraction group and the cutting group through long-term follow-up. Conclusion: We conclude that strap muscle division does not result in any subjective or objective functional problems in voice. We suggest that surgical division and reconstruction of these muscles should be employed routinely when opera-ting on large, toxic or neoplastic glands. (Korean J Endocrine Surg 2001;1:237-243)
고중화,안성윤,송정환,박승구 대한기관식도과학회 1999 大韓氣管食道科學會誌 Vol.5 No.1
The authors recently experienced a case of ectopic thyroid. A 15-year-old female patient visited to ENT department with the complaint of the submental neck mass. On physical examination, the mass was relatively firm, non tender and 3$\times$2cm in size. Oral cavity examination revealed 0.5$\times$0.5cm sized pink colored mass near the foramen cecum area. Suspecting ectopic thyroid, thyroid function test, thyroid scan, neck computed tomogram scan were performed. Thyroid scan revealed a functioning thyroid on the lingual and submental area without normal uptake in the anterior neck area. Thyroid (unction test was normal. Pre-contrast computed tomogram scan revealed an ectopic thyroid in the lingual and submental area. A review of literature concerning ectopic thyroid was discussed.
고중화,신지철,박승구,Koh, Joong-Wha,Shin, Jee-Churl,Park, Seung-Koo 대한기관식도과학회 1999 大韓氣管食道科學會誌 Vol.5 No.2
Renal cell carcinoma is the third most common metastatic tumor to the bone and soft tissues of the head and neck. The common sites of metastatic renal cell carcinoma in head and neck region are nasal cavity, paranasal sinuses, oral mucosa, gingiva, tongue, palate, lip as the favored site. The present paper deals with one patient with metachronous oral tongue, nasal cavity and suspicious brain metastases after 2 years of renal cell carcinoma nephrectomy. Also, the patient had history of total thyroidectomy for thyroid follicular carcinoma. Total excision of nasal cavity and tongue mass were performed. Therapeutic aspects are briefly reviewed in literature.
고중화,전영명,신상준,주희재 대한기관식도과학회 1997 大韓氣管食道科學會誌 Vol.3 No.1
The rarity of primary tumor of the trachea, which was recently estimated in a circumscribed population to be 2.7 new cases per million per year, explains the relatively limited experience that has been acquired even by major institutions. Although there may already by a high degree of airway obstruction, tracheal tumors are usually misdiagnosed as bronchial asthma or chronic bronchitis because of its nonspecific symptoms. Surgery is the treatment of choice. Recently, the authors experienced three cases of primary tracheal malignant tumors ; one case of mucoepidermoid carcinoma and two cases of adenoid cystic carcinoma. The authors report on these cases with a review of the literature for give help in differential diagnosis and treatment planing of tracheal tumor.
고중화,전영명,김휘준 대한기관식도과학회 1997 大韓氣管食道科學會誌 Vol.3 No.2
Airway mucus provides the protective functions such as lubrication, barrier, disposal of trapped materials, and humidification. In the normal state, the mucus do not interfere with Bas transport and the other vital functions of lung. In diseases such as asthma, bronchitis, and cystic fibrosis, the mucus hypersecretion was physiologically developed in the response of multiple neurohumoral mechanism system. And regardless of the mechanism, many clinical sequelae result from mucus hypersecretion: atelectasis, infection, increased airway resistance, increased work of breathing, increased cough with its resultant complication. And the condensation of mucus tv mucus hypersecretion can make the mucus plug by which bronchial obstruction is developed. We have experienced a 7 Pear-old male patient with recurrent pneumonic symtom, which the bronchial obstruction was developed by the impacted mucus plug on the bronchoscopic finding. We report this case with the review of literature.