• Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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• v.21 no.2
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• pp.142-144
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• 2010

Unilateral vocal cord paralysis occurs from a dysfunction of the recurrent laryngeal nerve. It causes a characteristic hoarseness, shortness of breath and swallowing disability. Prompt injection laryngoplasty is a treatment options that aims to improve these symptoms less invasively and easily than any other procedures. Cross-linked hyaluronic acid (HA) is widely used injection material. It is non-mammalian polysaccharides derived from streptococcus strain and well known for its duration in vocal cord about 3-6 months after injection. However, there were no complication reports such as infection or rejection after HA injection laryngoplasty in previous report. We present a case of patient with laryngeal abscess after transcricothyroid membrane percutaneous HA injection laryngoplasty.

• Proceedings of the KOR-BRONCHOESO Conference
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• 1983.05a
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• pp.14.2-14
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• 1983

Complications and sequelae of the laryngeal trauma are respiratory difficulties, edema or swelling, cellulitis or abscess, fistula, perichondrium and chondritis, chronic laryngeal stenosis, vocal cord paralysis, decannulation difficulty, and impaired voice production etc. Generally, the treatment of laryngeal injuries consists of initial tracheostomy for adequate airway and later surgical intervention for its complications and sequelae. Recently, authors experienced a case of closed laryngeal injury with thyroid cartilage fracture, left vocal cord paralysis, swallowing difficulty and right clavicular fracture owing to automobile accident. With reconstructive surgery for thyroid cartilage fracture, we established an adequate airway, improved swallowing function and better voice production.

• The Journal of Korea Assosiation for Disability and Oral Health
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• v.4 no.2
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• pp.88-91
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• 2008

A female patient (14 years-old) with mental retardation was scheduled for ambulatory general anesthesia to treat peri-apical abscess and multiple dental caries. She had got cleft palate plasty at 5 years, but there was no past history of difficulty airway during general anesthesia or airway obstruction. Following induction of anesthesia using an inhalational anesthetic technique, conventional naso-tracheal intubation was tried. However, with conventional intubation technique we could not insert tube. And following several trial of intubation with laryngoscope, she developed an upper airway obstruction. Her lungs could not be ventilated using a facial mask and oxygen saturation was decreased. A #3 laryngeal mask airway (LMA) was inserted immediately, which allowed us to ventilate her lungs and restore the oxygen saturation. And dental treatment was carried out under LMA insertion successfully.

• Proceedings of the SCSK Conference
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• 2003.09b
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• pp.545-547
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• 2003

A tyrosinase inhibitor, Lonjapoin, was isolated from the ethanolic extracts of Flos Lonicera by activity-guided fractionation. Lonjapoin ($IC_{50}$/; 2.07 $\mu\textrm{g}$/mL) was found to be potentially as effective inhibitor of production of melamin. Flos Lonicera (Jinyinhua) is the dry flower buds of Lonicera japonica. Thunb. It is used as an antibacterial and antiphlogistic agent in the treatment of abscess, laryngeal catarrh, erysipelas, dysentery, cold and fever. In our continuing search for natural source as cosmetic ingredients from Chinese medicinal herbs and found the extracts of Flos Lonicera showed the significant tyrosinase inhibition activity. In this study the active constituent of Lonicera japonica. obtained with the process of tyrosinase activity assay and column chromatography.

• Proceedings of the KOR-BRONCHOESO Conference
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• 1979.05a
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• pp.6.3-7
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• 1979

During last two. decades, microlaryngeal surgery opened now era in the laryngeal surgery. In 1960, using Lynch's suspension laryngoscope, Seal co et al performed the first successful microsurgery in the treatment of polyp and other laryngeal diseases. In 1968, Kleinsasser reported a new technique of microlaryngeal surgery with a self retaining laryngoscope. Authors studied the statistic analysis of 53 cases (75 times) of the suspension laryngoscopic microsurgery at E.N.T. department of Han Yang University Hospital from May 1972 to April 1979 an reported this result. 1) sex distribution was male 1.3 : female 1. 2) age distribution was 3rd decade 14 cases (26.4%), 2nd decade 10 cases (18.7%) and 5th decade 9 cases (17%) in order. 3) chief compliant was hoarseness 48 cases (90.6%), dyspnea 16 cases (30.5%) and sore throat 8 cases (15.1%) in order. 4) diagnostic impression was polyp 18 cases (34%), nodule 12 cases (22.6%), papilloma 9 cases (17%), tumor 7 cases (13.2%), intubation granuloma 3 cases (5.7%) in order and other kinds were laryngeal stenosis with decannulation difficulty, laryngeal paralysis and hematoma. 5) histopathologic result of 48 cases was polyp 17 cases (35.4%), papilloma 11 cases (23%), nodule 9 cases (18.9%), malignancy 3 cases (6.3%), chronic inflammation 2 cases (4.2%) in order and others were hyperkeratosis, mucous retension cyst, nodule associated abscess, granuloma, hematoma and unconfirmed case. 6) in involved site, both sides 15 cases (60%), Lt.side 5 cases (19%), Rt side 3 cases (12%), anterior commissure 3 cases (12%) on the nodule and polyp (26 cases) and whole laryngeal involvement 7 cases (63.6%), one side cord involement 3 cases (23.7%), extralaryngeal involvement 1 cases (9.1%) on the papilloma (11 cases).

• Tuberculosis and Respiratory Diseases
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• v.45 no.4
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• pp.882-887
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• 1998

In healthy adults, diagnosis of aspiration of foreign body into tracheobronchial tree is not difficult because various symptoms such as dyspnea, coughing, or cyanosis develop when foreign body is aspirated into tracheobronchial tree. But unless a clear history of an aspiration event can be obtained, diagnosis will be delayed. Early complications of tracheobronchial foreign body aspiration include asphyxia, cardiac arrest, dyspnea, laryngeal edema, and cyanosis. Late complications include pneumonia, lung abscess, bronchiectasis, hemoptysis, bronchial stenosis, and polyp. Treatment is removal of foreign body by operation or bronchoscopy. Currently, flexible bronchoscopy is preferred in adults than rigid bronchoscopy. A 36-year-old male visited to Dongkang hospital due to productive coughing and dyspnea. On auscultation, focal inspiratory wheezing was heard. On chest PA, mild emphysematous change was seen Flexible bronchoscopy was done. Bronchoscopically, mucoid impaction, surrounding inflammation, foreign body lodged in the right lower lobe bronchus, and interbronchial fistula(between right middle and lower lobe bronchus) were seen Foreign body($2.4\{times}1.3cm$ sized antacid package) was removed by flexible bronchoscopy. Later, history of aspiration of a piece of antacid package was found. We report a case of recurrent bronchitis with interbronchial fistula as a result of occult aspiration of foreign body with review of the literatures.

• Korean Journal of Bronchoesophagology
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• v.4 no.1
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• pp.52-58
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• 1998

BACKGROUND： Aspiration is defined as the laryngeal penetration of secretions below the level of the true vocal cords. Aspiration can result in life-threatening complications, such as bronchospasm, airway obstruction, pneumonia, pulmonary abscess, sepsis, and death. The patient with high vagal palsy had significant aspiration and dysphagia OBJECTIVE： To formulate a step-by-step management paradign for the patients with high vagal palsy MATERIALS AND METHODS : The medical records of 23 patients who were diagnosed as high vagal palsy from September, 1995 to April, 1998 in Seoul National University Hospital were reviewed retrospectively. Eleven patients were managed conservatively and 12 patients were operated to treat chronic aspiration. RESULTS : The main etiologies of high vagal palsy were mass lesions of the skull base such as neurogenic tumor, pseudotumor, meningioma or nasopharyngeal carcinoma. Aspiration and dysphagia improved in 7 out of 11 patients who were managed conservatively after 2.2 months on the average. The patients who were refractory to the conservative management underwent surgery and showed improvement in 10 out of 12 patients. The employed surgical modalities were vocal cord medialization combined with cricopharyngeal myotomy in 7 patients, laryngotracheal separation in 3 patients and arytenoid adduction only in 2 patients. Two patients still had gastrostomy tube due to the persistent symptoms. Two patients had improved after surgery, but died of underlying disease. CONCLUSION : The patients with high vagal palsy are recommended to be managed conservatively for the first 2 months. If aspiration and dysphagia are persisting after conservative management, vocal cord medialization combined with or without cricopharyngeal myotomy should be considered. If failed, laryngotracheal separation or gastrostomy will be the next option based on the control of the oropharyngeal secretion.

• Proceedings of the KOR-BRONCHOESO Conference
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• 1978.06a
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• pp.6.1-6
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• 1978

Dsysphagia or difficulty in swallowing is a symptom wich indicates the presence of disease or dysfunction. Because the cause & the original site are variable, it is significant to study the clinicostatistical analysis on 133 cases with complant of dysphagia during the last one year in the department of Otolaryngology, College of Medicine, Seoul National University. The results are as follows; 1) Among the total O.P.D. patients (6313 cases), patients complaining the dysphagia are 2.1%. 2) Male to female sex ratio is 1. 3 to 1, slightly predominent in male and average are 35.7 years. 3) The duration of chief complaint is about 251 days in average, but excluding the 8 cases with more than year of symptom, it is about 40 days. In detailed analysis of the duration; 67 cases (50.4%) occurred within 1 weak: 24 cases (18.0%), 1 week to 1 month: 34 cases (25.6%), 1 month to 1 year: 8 cases (6.0%), more than 1 year. 4) As to the site of origin, the oropharyngolaryngeal origin 106 cases (76.7%) are 4 times as many as the esophageal origin 27 cases (20.3%). 5) As to the etiological classification: inflammation 67 cases (50.4%), tumor 28 cases (21.0%), corrosive agent 14 cases (10.5%), foreign body 11 cases (8.3%) in order. 6) As to the disease entity: pharyngitis and tonsillitis 42 cases (31.6%), stomatitis 14 cases (10.5%), corrosive esophagitis 14 cases (10.5%), laryngeal tumor 12 cases (9.0%), peritonsillar abscess 9 cases (6.8%), esophageal foreign body 7 cases (5.2%), tongue tumor 7 cases (5.2%), tonsillar tumor 6 cases (4.5%), (pharyngeal foreign body 4 cases (3.0%)in order.