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홍현준(Hyun Jun Hong),이원일(Won Il Lee),박미나(Mi-Na Park),정은지(Eun Ji Chung),김용태(Yong Tai Kim),최은창(Eun Chang Choi) 대한두경부종양학회 2009 대한두경부 종양학회지 Vol.25 No.1
Nasopharyngeal carcinomas are epithelial neoplasm derived from nasopharyngeal mucosa. Nasopharyngeal carcinoma involved cervical lymph nodes frequently. However, nasopharyngeal carcinoma with metastatic axillary node after concurrent chemoradiotherapy was reported rarely. We report the patients who was a 34-year-old man diagnosed as nasopharyngeal carcinoma. He was treated by concurrent chemo-radiotherapy. But axillary node metastasis was found after treatment in 2 years. After surgical resection of axillary lymph node, there is no evidence of disease.
두경부암 병기 설정의 최신 변화: AJCC 암 병기설정 매뉴얼8판
홍현준(Hyun Jun Hong) 대한두경부종양학회 2017 대한두경부 종양학회지 Vol.33 No.2
The recently released the 8th edition of the American Joint Committee on Cancer (AJCC) Staging Manual introduces significant modifications from the prior 7th edition. In this paper, the contents of the new changes in the decision of cancer of the head and neck is summarized except changes in staging of skin and thyroid cancer. In addition to the 8th edition, 1) Addition of extracapsular involvement in metastatic lymph nodes (N category) 2) Oral cancer T classification change, 3) Staging of the pharyngeal cancer was divided into 3 chapters: high-risk human papilloma virus (HR-HPV) associated oropharyngeal cancer (OPC), non HR-HPV associated OPC and hypopharynx cancer (HPC), and nasopharynx cancer (NPC) 4) Changes in T and N classification in NPC, 5) In the case of cancer of unknown primary, P16-positive case is defined as HR-HPV related OPC, and EBV-positive case is defined as NPC. The process that led to these changes highlights the need to collect high-fidelity cancer registry-level data that can be used to confirm prognostic observations identified in institutional data sets. Clinicians will continue to use the latest information for patient care, including scientific content of the 8th Edition Manual. All newly diagnosed cases through December 31st 2017 should be staged with the 7th edition. The time extension will allow all partners to develop and update protocols and guidelines and for software vendors to develop, test, and deploy their products in time for the data collection and implementation of the 8th edition in 2018. The 8th edition strikes a balance between a personalized, complex system and a more general, simpler one that maintains the user-friendliness and worldwide acceptability of the traditional TNM staging paradigm.
최홍식,홍현준,염용혁,남도현,Choi, Hong-Shik,Hong, Hyun-Jun,Yum, Yong-Hyuk,Nam, Do-Hyun 대한후두음성언어의학회 2011 대한후두음성언어의학회지 Vol.22 No.2
Western classical singing voices are different from those of pop song singer's singing voices as well as traditional Korean singing such as Pansori. We anlalysed the singing voices from three different categories with using free application programs available at the usual smart phones : sound level meter and Spectral View Analyzer and fiberoptic rhinolaryngoscopic evaluation. The intensity of voice produced by a classical western singer was 11 dB louder than that produced by a pop song singer. Source sound, glottic sound, as well as harmonic sound and singing resonant sound (Singer's formant) are much more prominent. When evaluated under video-rhinolaryngoscopy during singing, the resonance cavity especially oropharyngeal cavity and hypopharyngeal cavity are widely opened during singing of the western classical singer than those of the traditional Korean singer's singing. Difference of singing methods including producing the glottal sound, respiration and resonance are discussed. Possible explanation of development of 'Singer's Formant' is discussed.
윤소연,홍현준,Yoon, So Yeon,Hong, Hyun Jun 대한후두음성언어의학회 2020 대한후두음성언어의학회지 Vol.31 No.2
Evaluating the patient's voice before thyroidectomy is useful for the purpose of identifying patients with vocal cord paralysis without symptoms, identifying other patient's voice abnormalities, and whether it is related to voice disorders that may occur after surgery. Also voice evaluation after thyroid surgery is helpful in diagnosis, treatment, and rehabilitation and follow-up of voice disorders that occur without clear nerve damage after thyroidectomy. And it is helpful for rapid recovery through active early rehabilitation treatment for patients who complain of speech impairment without paralysis. In particular, neck exercise can improve the adhesion of the surgical site and increase the range of motion of the neck as well as improve subjective neck discomfort. In addition, hearing, voice and breathing functions should be improved, and voice hygiene education and counseling should be provided. Vocal cord injection is the first treatment option for unilateral vocal cord palsy. By establishing a protocol for voice disorders before and after thyroid surgery and providing appropriate treatment, the quality of life of patients can be improved.
권진호,최병일,홍현준,최홍식,Kwon, Jin Ho,Choi, Byeong Il,Hong, Hyun Jun,Choi, Hong-Shik 대한후두음성언어의학회 2013 대한후두음성언어의학회지 Vol.24 No.1
False vocal fold hypertrophy caused by diverse pathologic lesion, such as laryngeal amyloidosis, laryngeal lipidosis, laryngocele, saccular cyst and sulcus vocalis. False vocal fold hypertrophy, however, is also caused laryngeal structure deformity, irrespective of pathologic lesions. In this article, we report some cases of false vocal fold hypertrophy caused by inward bowing of thyroid cartilage. At the clinic of the department of otorhinolaryngology in Gangnam Severance Hospital, with 3 male complained of hoarseness as subjects, and comfirmed of false vocal fold hypertrophy using the stroboscopy and larynx CT we checked vocal fold and laryngeal structure. Three patients with apparent hypertrophy of false vocal fold were investigated with computerized tomography (CT). In all patients, marked concavity of thyroid cartilage was revealed in CT scan at the level of the false vocal fold, and this deformity of the thyroid cartilage seemed to cause a protrusion of false vocal fold which taken as hypertrophy in stroboscopy. Careful palpation of the larynx and a CT scan taken at the level of the false vocal fold should be useful in determining whether hypertrophy of the false vocal fold is pathologic. For the next articles, It is necessary to discuss for the cause, diagnosis, treatment and prevention of inward bowing of thyroid cartilage.
흉쇄유돌근에서 기인한 Low-Grade Myofibroblastic Sarcoma 1예
심남석(Nam Suk Sim),홍현준(Hyun Jun Hong),송기재(Kee-Jae Song),최성은(Sung-eun Choi),서연석(Yun Suk Suh),이은정(Eun Jung Lee) 대한두경부종양학회 2014 대한두경부 종양학회지 Vol.30 No.1
Low-grade myofibroblastic sarcoma is a rare disorder of malignant soft tissue tumor and is usually occurred various regions that often manifests in the head and neck region. The most common clinical presentation of this entity is non-tender cervical lymphadenopathy. This disease usually presents high possibility of local recurrence and low possibility of distant metastasis. We report a rare case of low-grade myofibroblastic sarcoma occurring in the sternocleidomastoid muscle and invading to the mastoid tip. A 56-year-old male visited the clinic with a complaint of slowly growing postauricular mass for 6 months. Mass originating from sternomastoid muscle and invasion to mastoid tip was observed by imaging studies. Surgical complete excision with simple mastoidectomy was performed via modified facelift approach. The histopathologic findings revealed malignant spindle cell tumor with positive staining with smooth muscle actin. The patient has no recurrence for 2years without any complication.
노르스름한 성대점막 색변화를 보이는 편평 성대 낭종: 개방형 성대 낭종
김지훈,이은정,김연희,홍현준,최홍식,Kim, Ji-Hoon,Lee, Eun-Jung,Kim, Yeon-Hee,Hong, Hyun-Jun,Choi, Hong-Shik 대한후두음성언어의학회 2012 대한후두음성언어의학회지 Vol.23 No.1
Background and Objectives : Based on histological findings, intracordal cysts are divided in two subtypes : retention cysts and epidermoid cysts. They are typically located in the superficial layer of the lamina propria and appeared as opaque ovoid buldging masses underlying the epithelium. They are characterized by unilateral diminished mucosal wave on stroboscopy. In this article, we report some cases of patients with an oval shaped-yellowish flat cyst. Materials and Method : At the clinic of the department of otorhinolaryngology in Gangnam Severance Hospital, with 3 female complained of hoarseness as subjects, using the stroboscopy we checked preoperative and postoperative vocal cord and operative findings. Surgery was performed under general anesthesia by the senior authors. All patients noted subjectively that their performing voice was improved. Results : During surgery, an oval shaped-yellowish flat cystic lesion was distinguished from normal epithelium. On palpation of this area with microforceps and cottons, the yellowish discharge was noted to move out from the opening of the cyst. In one case, the cyst was ruptured but remove the capsule completely. In other cases, sulcus was noted at the oppsite site. Conclusion : Because of the opening, the cyst was not easy to dissect and remove completely. After the debris was move out, fibrosis around the opening and invaginated epithelium extending into the deeper layers to the fold. The cyst was must removed carefully and completely for improvement of voice quality before evolving into a sulcus vocalis.
설정훈(Jeong Hun Seol),김홍준(Hong Jun Kim),홍재민(Jae Min Hong),노경진(Kyung Jin Rho),홍현준(Hyun Jun Hong) 대한두경부종양학회 2010 대한두경부 종양학회지 Vol.26 No.2
Primary squamous cell carcinoma of the thyroid gland is a very rare event, representing much less than 1% of all malignant tumors of the thyroid gland. The cancer is characterized by rapidly progressive clinical course in spite of its differentiated morphologic features. In most cases, a squamous epithelium is believed to be a re-sult of metaplasia of a follicular epithelium, although in rare exceptions, it can originate from a remnant of the thyroglossal duct or ultimobranchial body. Squamous cell carcinoma of the thyroid gland can occur in a pure form or mixed with adenocarcinoma. Because their clinical behavior is more aggressive than that of other malignant neoplasm of thyroid gland, the tumor should be treated more vigorously at its initial stage. Recently, authors ex-perienced one case of primary squamous cell carcinoma of the thyroid gland. We report our case with a brief re-view of literature.
이원일(Won Il Lee),김홍준(Hong Jun Kim),서영준(Young Joon Seo),노경진(Kyung Jin Roh),최은창(Eun Chang Choi),홍현준(Hyun Jun Hong) 대한두경부종양학회 2010 대한두경부 종양학회지 Vol.26 No.2
Schwannoma is a relatively uncommon, slow-growing benign tumor that is derived apparently from the Schwann cell. Tongue originated schwannomas are exceedingly rare within 1% and therefore often are not immediately included in the differential diagnosis and oral cavity tumors. In the current study, authors report a case of a schwannoma located at the tongue of a 49 years old patient treated by complete surgical excision. The patient is under clinical control, with no signs of recurrence even after 6 months.