• 대한기관식도과학회지
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• 제17권2호
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• pp.112-115
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• 2011

Several reports have investigated airway obstruction caused by redundancy of arytenoid mucosa. Flexible laryngoscope examination revealed prolapse of the mucosa overlying the arytenoid. Usually, pharyngeal or laryngeal microscopic procedures can successfully treat the redundancy of arytenoid mucosa. We experienced two cases of airway obstruction caused by redundancy of artenoid mucosa and report it with review of literatures.

• 대한후두음성언어의학회지
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• 제25권2호
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• pp.90-95
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• 2014

Background and Objectives : Arytenoid adduction procedure is one of the main surgical options addressed for the correction of glottal incompetence in patients with unilateral vocal cord paralysis. Traditionally, a midline approach is used for identifying and suturing around the muscular process, which often needs over-traction of the thyroid cartilage and results in patient's discomfort as well as surgeon's distress. The authors investigated the advantage of a modified procedure, lateral approach, in which the arytenoid cartilage is exposed through the space between strap muscles and sternocleidomastoid muscle. Materials and Methods : Retrospective chart review was performed for 66 patients who received arytenoid adduction surgery at Samsung Medical Center, between the year 1997 and 2014. Operation time, types of anesthesia, voice outcomes and complications were compared between the midline (n=22) and the lateral (n=44) approach group. Results : Operation time was shorter in the lateral approach group ($125{\pm}24min$) than in the midline group ($144{\pm}24min$). Arytenoid adduction was proceeded under local anesthesia in 66% (n=29/44) and 14% (n=3/22) of patients with lateral and midline approach group, respectively. Voice outcomes and complication rates were comparable between the two groups. Injection laryngoplasty in conjunction with arytenoid adduction resulted in more favorable voice outcomes. Conclusion : A lateral approach for the arytenoid adduction procedure showed comparable voice outcomes and similar complication rates with those of a midline approach. However, lateral approach provided less discomfort to the patients and less distress to a surgeon, and therefore, shorter operation time was needed and local anesthesia could be more frequently applied for this modified procedure.

• 한국임상수의학회지
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• 제39권6호
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• pp.400-404
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• 2022

A 3-year-old Thoroughbred gelding presented with left laryngeal hemiplegia with a history of laryngoplasty (tie-back surgery) failure. Postoperative endoscopy revealed no abduction or no inflammatory changes in the left arytenoid cartilage. The owner opted for the horse to undergo partial arytenoidectomy due to failed laryngoplasty. A tracheostomy tube was intubated through a mid-cervical tracheotomy to secure the airway under general anesthesia, and; laryngotomy was performed to access the arytenoid cartilage in dorsal recumbency. A partial arytenoidectomy was performed with endoscopic assistance through the left nostril, and the left arytenoid cartilage was removed, excluding the muscular process. Antibiotic and anti-inflammatory agents were administered postoperatively, and the incision site was cleaned using normal saline and antibiotic ointment twice daily. On the 12th postoperative day, endoscopy revealed redundant corniculate process mucosa at the surgical site, which was removed using rongeur forceps directly through the previous laryngotomy incision. The horse showed no significant complications during the hospitalization. Two months after surgery, the surgical site reportedly recovered with no evidence of granulation tissue. The horse returned to training and racing 3 and 7 months postoperatively, respectively. This is the first case report of a partial arytenoidectomy in a horse in South Korea. In this case, the horse returned to training after partial arytenoidectomy without significant complications, indicating that partial arytenoidectomy could be beneficial for failed laryngoplasty.

• 대한기관식도과학회:학술대회논문집
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• 대한기관식도과학회 1982년도 제16차 학술대회연제순서 및 초록
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• pp.8.2-8
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• 1982

애성이란 음성의 질적 변화를 의미하는 것으로 이는 후두의 가장 대표적인 주 증상이다. 애성의 원인으로는 현재까지 알려져 있는것만 해도 약50 여종이 있다고 하며 그중 virus에 의한 상기도 감염증이 가장 많은 비율을 차지하고 있는 것으로 알려져 있고, 후두결절 및 풀립, 후두마비, 후두암, 후두유두종, 후두결핵등의 순으로 발생하는 것으로 알려져 있다. 최근 저자들은 본원에 입원중인 환자로서 애성 때문에 본 이비인후과로 진찰의뢰된 환자중 비교적 보기드문 질환과 동반된 애성환자 4예를 경험하였기에 문헌고찰과 함께 보고하는 바이다. 증예1. 29세 남자로서 교통사고로 후두부에 외상을 입은후 1 달만에 애성이 발생. 후두경 소견상 좌측성대의 paramedian paralysis 및 arytenoid cartilage의 전위가 인정되었음. 증예2. 53세 남자로서 clonorchis sinensis로 일반외과에서 전신 삽관마취하에 choledochostomy를 시행한 6 일후에 애성이 발생. 후두경 소견상 좌측성대의 median paralysis가 인정되었음. 증예3. 56세 남자로서 Aortic Aneurysm으로 내과에 입원한 환자로 입원전 3개월부터 애성이 발생. 후두경 소견상 좌측성대의 intermediate position paralysis 및 arytenoid cartilage의 전위가 인정되었음. 증예4. 74세 남자로서 Bronchogenic Ca.로 내과에 입원중인 환자로 입원 3년전부터 애성이 발생. 후두경 소견상 우측성대의 paramedian paralysis가 인정되었음

• 대한기관식도과학회지
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• 제11권1호
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• pp.28-31
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• 2005

Granular cell tumors are relatively uncommon benign laryngeal lesions thought to originate form Schwann cells. The granular cell tumor occurs everywhere in the body, especially in the head and neck. The larynx is relatively an uncommon location, accounting for approximately 3 to $10\%$ of all reported cases. Typically the most common presenting symptom is hoarseness, with some patients also presenting stridor, hemoptysis, dysphagia, and otlagia. But the tumor may be asymptomatic and discovered only incidentally during a routine examination. The diagnosis of granular cell honor can be confirmed by histopathologically and immunocytochemical staining fer S-100 antigen. Treatment of a granular cell tumor consists of a wide local excision by the endoscopic, transoral or laryngofissure methods. Recently, CO2 laser has been used to remove granular cell tumor with clear resection margin. This article describes one such case in a 62-year-old man, followed by a brief review of the literature on this subject.

• 대한후두음성언어의학회지
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• 제18권1호
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• pp.7-10
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• 2007

Unilateral vocal fold paralysis resulting in glottal incompetence can cause significant morbidity attributable to impaired speech, swallowing, and ability to protect the airway. The treatment of unilateral vocal cord paralysis has a long history, marked by technical innovations and improvements. These methods typically use endoscopic injection or implants to augment the volume of the affected vocal fold. The first known treatment, reported by Brunnings in 1911, was paraffin injection. The first thyroplasty medializing the paralysed vocal cord was performed by Payr in 1915 ; here, a cartilage door-flap was created from the thyroid ala to obtain better voice quality. In the 1970s, Isshiki systematized and developed the use of the external medialization by Payr. Later he modified his original technique, and achieved safer and better results. Many other methods were introduced for external medialization during the 1980s and 1990s. There has been couple of materials using for medialization laryngoplasty: silicone bloc, cartilage, goretex (polytetrafluoroethylene), titanium, etc. Among them, silicone bloc is the most popularly used material. Type I thyroplasty in combination with arytenoid adduction is a proven technique for medialization of the paralysed vocal fold. In this paper, personal experience for using silicone bloc type I thyroplasty : decision making and practical points, long-term results and complication of the procedure will be discussed.

• 대한후두음성언어의학회지
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• 제25권1호
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• pp.36-38
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• 2014

The patient suffered cardiac arrest 8 months before presentation. She has been suffering hoarseness and exertional dyspnea and nocturnal stridor. Upon flexible laryngoscopy, her vocal cords showed no motion and fixed in paramedian position. There was no causal finding on neck CT. EMG showed some muscular activity. Under the suspicion of crico arytenoid fixation, we performed suspension laryngoscopy, and found the arytenoid cartilage was fixed with short and stout scar, which was removed with scissors. Just after surgery she regained her voice and respiration.

• 대한후두음성언어의학회지
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• 제13권2호
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• pp.188-192
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• 2002

Unilateral vocal cord palsy which is associated with laryngeal trauma is not uncommon event. In a 42-year-old male, a cricoid cartilage fracure had been developed after blunt trauma. The endoscopic findings showed contusion and diffuse swelling around the left arytenoid and false cord. During phonation, the mobility of left side true vocal cord was decreased. There were no level difference and displacement of the left side arytenoid. We used the laryngeal electromyography (LEMG) to make a differential diagnosis between the cricoarytenoid joint dislocation and the injury of recurrent laryngeal nerve. At the right thyroarytenoid muscle and cricothyroid muscle, the findings of LEMG were normal. But the amplitude and frequency during phonation were decreased (partial denervation) at the left thyroarytenoid muscle. LEMG is a very useful method to predict the diagnosis of vocal cord palsy.

• 대한음성언어의학회:학술대회논문집
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• 대한음성언어의학회 2003년도 제19회 학술대회
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• pp.182-182
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• 2003

Objectives : The methods to treat glottic incompetence include thyroplasty type I, arytenoid abduction, and intracordal injection using various materials. The intracordal injection is easy and simple and does not require skin incision. In general, the grafted cartilage shows a high survival rate, a low absorption rate and small voluminous change. The authors performed injection of minced autologous auricular cartilage and fat using a Bruning injector in unilateral vocal cord palsy We evaluate the effect and safety of autologous auricular cartilage intracordal injection. Study Design : Retrospective study. Methods : Auricular cartilage was obtained by incising tragus vertically and it was minced with a scalpel and #15 blade. About 2g of abdominal fat was obtained by small periumbrical incision and cut into small pieces. The minced cartilage was put into a 1$m\ell$ injector and then the injector was filled with fat. The operation was conducted under laryngeal microscope. Minced cartilage was injected into the vocalis muscle at the junction of the middle and posterior third of the vocal fold. In three cases, we performed autologous cartilage intracordal injection. Results : We observed no postoperative complications, such as dyspnea, granulation, inflammation, in any of the cases. The voice was improved compared with the voice prior to operation in all cases. Conclusion : Although the cases are still limited and the observation period is short, we suggest that the autologous cartilage using the auricular cartilage is the ideal and new effective augmentative material in vocal cord palsy.

• 대한기관식도과학회:학술대회논문집
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• 대한기관식도과학회 1993년도 제27차 학술대회 초록집
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• pp.90-90
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• 1993

후두암의 치료계획에 있어 어려운 점들로는 종양의 3차원적 위치, 점막하를 통한 전파, 후두연골의 침윤 여부 등이다. 특히 후두연골 침윤은 국소재발과 경부전이의 빈도가 높아 예후가 좋지 않다. 저자들은 후두암의 전파와 후두연골에의 침윤 양상을 이해하고 술전 임상적 진단의 정확도를 높여 치료방향을 설정하는데 도움을 얻고자 1991년 4월부터 1992년 11월까지 후두암으로 혹은 전적출술을 시행했던 예중 18례의 후두표본을 대상으로 연속 대절편을 제작하여 병리조직학적 관찰을 하고 다음과 같은 결과를 얻었다. 1. 후두연골 침윤의 양상은 주로 연골의 골화된 부위를 침범하였고 골화되지 않은 연골의 침윤은 매우 드물었다. 2. 침윤된 골화연골에서는 연골막이 건전하더라도 골수를 통해 전파하였다. 3. 연골막은 종양전이의 아주 강한 방어벽이었다. 4. 후두연골 침윤의 빈도는 갑상연골, 피열연골, 윤상연골, 후두개연골 순이었고 횡성문암에서는 후두연골 침윤이 88.9 % 로 상당히 높았다. 5. 후두연골 침윤여부에 대한 술전 CT의 민감도는 100%, 특이도 62.5%, 정확도 82.3%이다.