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류광희(Gwanghui Ryu),홍상덕(Sang Duk Hong),정승규(Seung-Kyu Chung) 대한두개저학회 2018 대한두개저학회지 Vol.13 No.1
Pleomorphic adenoma (PA) of nasopharynx is very rare. Squamous metaplasia of PA is an unusual finding and has the possibility for misdiagnosis as squamous cell carcinoma (SCC). This study presents two cases of nasopharyngeal PA diagnosed as SCC from frozen sections, whereas permanent pathology was PA with squamous metaplasia. Preoperative endoscopy, radiographic images, and histopathological findings were reviewed. Two male patients underwent complete en-bloc resection of tumors with adequate margins because of the possibility of SCC from frozen section. The pathologic results were PA with squamous metaplasia and there was no recurrence during one year follow-up period. Nasopharyngeal PA can mimic SCC, surgeons should consider the clinical and radiological characteristics of tumors. We do not recommend deciding treatment modalities for nasopharyngeal tumors with only the frozen section.
류광희 ( Gwanghui Ryu ),지혜미 ( Hye Mi Jee ),이화영 ( Hwa Young Lee ),강성윤 ( Sung-yoon Kang ),김경훈 ( Kyunghoon Kim ),김주희 ( Ju Hee Kim ),박경희 ( Kyung Hee Park ),박소영 ( So-young Park ),성명순 ( Myong Soon Sung ),이영수 ( 대한천식알레르기학회 2024 Allergy Asthma & Respiratory Disease Vol.12 No.3
Allergen immunotherapy (AIT) has been used for over a century and has been demonstrated to be effective in treating patients with various allergic diseases. AIT allergens can be administered through various routes, including subcutaneous, sublingual, intralymphatic, oral, or epicutaneous routes. Sublingual immunotherapy (SLIT) has recently gained clinical interest, and it is considered an alternative treatment for allergic rhinitis (AR) and asthma. This review provides an overview of the current evidence-based studies that address the use of SLIT for treating AR, including (1) mechanisms of action, (2) appropriate patient selection for SLIT, (3) the current available SLIT products in Korea, and (4) updated information on its efficacy and safety. Finally, this guideline aims to provide the clinician with practical considerations for SLIT.
고성철(Sungchul Ko),류광희(Gwanghui Ryu) 대한두개저학회 2023 대한두개저학회지 Vol.18 No.1
Arrested pneumatization of the sphenoid sinus is normal developmental variant. Radiological find-ing on computed tomography (CT) or magnetic resonance image (MRI) may be confused with bony lesions of paranasal sinuses or invasive tumors of the skull base. A 43-year-old woman visited our hospital with headache, and an MRI scan performed at other hospital showed abnormal findings in the right sphenoid sinus. When the additional CT images were evaluated, it was diagnosed as an arrested pneumatization of the sphenoid sinus. A 46-year-old woman visited the neurologist with diplopia and had a brain MRI. Due to abnormal findings in the left sphenoid sinus, the patient was transferred to the otorhinolaryngology department. The left sphenoid sinus lesion was confirmed as an arrested pneumatization on CT and MRI. Both patients decided to follow-up without any special treatment. Differential diagnoses for this developmental variant would reduce treatment cost and exploratory surgery.
대한천식알레르기학회 알레르기비염 진료지침: 파트 1. 약물치료의 업데이트
김민지 ( Minji Kim ),강성윤 ( Sung-yoon Kang ),양송이 ( Song-i Yang ),이일환 ( Il Hwan Lee ),류광희 ( Gwanghui Ryu ),김미애 ( Mi-ae Kim ),이상민 ( Sang Min Lee ),김현정 ( Hyun-jung Kim ),박도양 ( Do-yang Park ),이용주 ( Yong Ju Le 대한천식알레르기학회 2023 Allergy Asthma & Respiratory Disease Vol.11 No.3
The prevalence of allergic rhinitis (AR) and the socioeconomic burden associated with the medical cost and quality of life of AR have progressively increased. Therefore, practical guidelines for the appropriate management of AR need to be developed based on scientific evidence considering the real-world environment, values, and preferences of patients and physicians. The Korean Academy of Asthma, Allergy and Clinical Immunology revised clinical guidelines for AR to address key clinical questions of the management of AR. Part 1 of the revised guideline covers the pharmacological management of patients with AR in Korea. Through a meta-analysis and a systematic review, we made 4 recommendations for AR pharmacotherapy, including intranasal corticosteroid (INCS)/intranasal antihistamine combination therapy, oral antihistamine/INCS combination therapy, leukotriene receptor antagonist treatment in AR patients with asthma, and prophylactic treatment for patients with pollen-induced AR. However, all recommendations are conditional because of the low or very low evidence of certainty. Well-designed and strictly executed randomized controlled trials are needed to measure and report appropriate outcomes. (Allergy Asthma Respir Dis 2023;11:117-125)
이화영 ( Hwa Young Lee ),강성윤 ( Sung-yoon Kang ),김경훈 ( Kyunghoon Kim ),김주희 ( Ju Hee Kim ),류광희 ( Gwanghui Ryu ),민진영 ( Jin-young Min ),박경희 ( Kyung Hee Park ),박소영 ( So-young Park ),성명순 ( Myongsoon Sung ),이영수 대한천식알레르기학회 2024 Allergy Asthma & Respiratory Disease Vol.12 No.3
Allergen immunotherapy (AIT) is a causative treatment of allergic diseases in which allergen extracts are regularly administered in a gradually escalated doses, leading to immune tolerance and consequent alleviation of allergic diseases. The need for uniform practice guidelines in AIT is continuously growing as the number of potential candidates for AIT increases and new therapeutic approaches are tried. This updated version of the Korean Academy of Asthma Allergy and Clinical Immunology recommendations for AIT, published in 2010, proposes an expert opinion by specialists in allergy, pediatrics, and otorhinolaryngology. This guideline deals with the basic knowledge of AIT, including mechanisms, clinical efficacy, allergen standardization, important allergens in Korea, and special consideration in pediatrics. The article also covers the methodological aspects of AIT, including patient selection, allergen selection, schedule and doses, follow-up care, efficacy measurements, and management of adverse reactions. Although this guideline suggests the optimal dosing schedule, an individualized approach and modifications are recommended considering the situation for each patient and clinic.
구강내 재건을 위한 안면 동맥 근점막 피판의 다양한 적용법
손영익(Young-Ik Son),백정환(Chung-Hwan Baek),정한신(Han-Sin Jeong),조재근(Jae Keun Cho),류광희(Gwanghui Ryu) 대한두경부종양학회 2013 대한두경부 종양학회지 Vol.29 No.2
Background:The purpose of this study is to review our experience with the variable applications of the facial artery muscolomucosal(FAMM) flap for oral cavity reconstruction following treatment for head and neck malig-nancies. Methods:We performed retrospect medical record review from January 2012 to June 2013. This flap technique was applied in 3 patients to reconstruct the defects of oral cavity induced by treatment for head and neck malignancies. Results:The defects and fibrosis occurred due to variable causes related to previous treat-ment for head and neck malignancies such as tumor resection and chemoradiation. Two patient suffered from defect on hard and soft palate and one patient suffered from trismus related to fibrotic scar band. We performed oral cavity reconstruction using FAMM flap even though these all patients had history of neck dissection surgery or radiation therapy. Conclusion:FAMM flap is an ideal option for reconstruction following treatment not only for primary tumor resection but also for defects induced by variable causes. Preoperative radiation and neck dis-section surgery, which are previously considered as some challenges, are no longer contraindication in our cases.