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이태훈,남일현,문기혁,이영현,안길영,이영훈,Lee, Tae-Hoon,Nam, Il-Hyun,Moon, Gi-Hyuk,Lee, Yeong-Hyeon,Ahn, Gil-Yeong,Lee, Young-Hoon 대한족부족관절학회 2015 대한족부족관절학회지 Vol.19 No.1
Accessory navicular is a congenital anomaly appearing in the secondary ossification center on the tuberosity of the navicular that may cause flatfoot. Bipartite medial cuneiform is another rare congenital anomaly occurring as two primary ossification centers in the medial cuneiform. The authors report a rare case of symptomatic bilateral accessory navicular with bipartite medial cuneiform and flatfoot deformity in a 19-year-old man with a review of the literature.
변형 Weil 절골술의 중족지 단축 효과를 이용한 Freiberg병의 치료
이태훈,이영현,안길영,남일현,이경진,우상원,Lee, Tae-Hoon,Lee, Yeong-Hyeon,Ahn, Gil-Yeong,Nam, Il-Hyun,Lee, Kyung-Jin,Woo, Sang-Won 대한족부족관절학회 2021 대한족부족관절학회지 Vol.25 No.4
Purpose: This study sought to evaluate the clinical effectiveness of the shortening effect of the modified Weil osteotomy for the treatment of Freiberg's disease. Materials and Methods: We reviewed 21 cases treated with the modified Weil osteotomy for Freiberg's disease from November 2005 to June 2019. The average follow-up period was 32.5 months and the mean age of the patients was 38.3 years. The clinical results were analyzed using the American Orthopaedic Foot and Ankle Society (AOFAS) lesser metatarsophalangeal-interphalangeal scale, the visual analogue scale (VAS), and the range of motion (ROM) of the metatarsophalangeal joint. In the radiologic evaluation, the length of preoperative and postoperative metatarsal shortening was compared. Results: The average AOFAS lesser metatarsophalangeal-interphalangeal scale showed an improvement from 60.5 preoperatively to 90.9 at the latest follow-up. VAS showed a decrease from 5.4 preoperatively to 0.9 at the latest follow-up. ROM of the affected metatarsophalangeal joint increased from 40.2 degrees preoperatively to 58.6 degrees at the latest follow-up. The mean length of metatarsal shortening was 6.7 mm. There was no transfer metatarsalgia, osteonecrosis, and definite joint space narrowing. Conclusion: Modified Weil osteotomy with second layer cutting is an effective treatment option to restore the joint surface and painless joint motion for patients with Freiberg's disease.
이영수 ( Yeong-su Lee ),이태훈 ( Tae-hoon Lee ),김동현 ( Dong-hyun Kim ),이경준 ( Kyung-june Lee ) 한국정보처리학회 2023 한국정보처리학회 학술대회논문집 Vol.30 No.2
대규모 행사에서 압사 예방을 위해 스마트 IoT 조끼 시스템을 개발했다. 일반 사용자들이 해당 조끼를 착용해 긴급 상황 발생 즉시 행사 관리자에게 정보를 전송하고 동시에 Linear Actuator를 활용해 개발한 에어백 기능으로 인명피해 사고를 보다 예방할 수 있다.
이영현,안길영,남일현,이태훈,이용식,김대근,이영훈,Lee, Yeong Hyeon,Ahn, Gil Yeong,Nam, Il Hyun,Lee, Tae Hun,Lee, Yong Sik,Kim, Dae Geun,Lee, Young Hoon 대한족부족관절학회 2016 대한족부족관절학회지 Vol.20 No.4
Purpose: To evaluate the effect of shortening scarf osteotomy on pain relief and range of motion (ROM) of the first metatarsophalangeal joint in hallux rigidus patients. Materials and Methods: Twenty-three cases of 19 patients who had been treated with shortening scarf osteotomy for the hallux rigidus between January 2007 and December 2013 were reviewed. The mean follow-up period was 21.4 months, and the mean age was 59.2 years. The first metatarsal bone was shortened until the ROM of the first metatarsophalangeal joint was greater than $80^{\circ}$ or $40^{\circ}$ of dorsiflexion. The length shortened by scarf osteotomy was measured. The authors also measured and compared the joint interval difference of the standing foot using an anteroposterior radiography. Moreover, the difference of ROM of the first metatarsophalangeal joint between the preoperative and final follow-up periods was also compared. The clinical results were evaluated and compared using the American Orthopaedic Foot and Ankle Society (AOFAS) scoring system and visual analogue scale (VAS) score. Results: The mean shortening length was about 6.5 mm (range, 4~9 mm). The joint space has been increased to 1.8 mm, and the ROM of the first metatarsophalangeal joint has also been increased to $18.4^{\circ}$ after the operation. In three cases, the postoperative ROM has been decreased to less $10^{\circ}$. The AOFAS score has been improved from 41.7 (range, 32~55) to 86.2 (range, 65~95), and the VAS score was also decreased from 3.7 (range, 3~5) to 1.3 (range, 0~3). Two cases have shown no decrease in pain even after the operation. Conclusion: Shortening scarf osteotomy was found to decrease joint pain by decompressing the pressure of the first metatarsophalangeal joint. This osteotomy also helped improve the ROM of the first metatarsophalangeal joint. Shortening scarf osteotomy can be considered one of the effective methods for joint preservation.
담도 협착에서 종양 특성과 솔질세포검사 순서에 따른 진단 정확도
조영걸 ( Yeong Geol Jo ),이태훈 ( Tae Hoon Lee ),조현득 ( Hyun Deuk Cho ),박상흠 ( Sang Heum Park ),박재만 ( Jae Man Park ),조영신 ( Young Sin Cho ),정윤호 ( Yunho Jung ),정일권 ( Il Kwun Chung ),최현종 ( Hyun Jong Choi ),문종호 ( 대한소화기학회 2014 대한소화기학회지 Vol.63 No.4
Background/Aims: There are few data supporting the diagnostic yield of brush cytology depending on the order of cytologic reparation method or the location or shape of tumors in biliary strictures. We investigated diagnostic yields and variations n brush cytology with direct smear and cell-block preparations according to sampling preparation sequence and tumor location nd shape in biliary strictures. ethods: Patients who had undergone ERCP with tissue sampling between August 2009 and April 2013 were analyzed etrospectively. Group A was examined using brush cytology with direct smear followed by cell-block with or without biopsy, hile the reverse order was performed for group B. esults: Among 138 enrolled patients, 92 patients (A: 36, B: 56) underwent both brush cytology with direct smear and cell-block reparations. No differences in sensitivity, specificity, or accuracy were observed according to the sampling preparation method nd the location or shape of tumors in biliary strictures. The cellularity observed from brush cytology with direct smear was etter than that from cell-block according to the location of the tumor (p<0.01). The diagnostic yield was increased in both roups with addition of an endobiliary biopsy. onclusions: No difference in diagnostic accuracy was observed between the sequences of preparation for brush cytology ith direct smear and cell-block techniques. Brush cytology showed better cellularity for diagnosis.
남일현,안길영,문기혁,이영현,최성필,이태훈,이영훈,Nam, Il-Hyun,Ahn, Gil-Yeong,Moon, Gi-Hyuk,Lee, Yeong-Hyeon,Choi, Seong-Pil,Lee, Tae-Hun,Lee, Young-Hoon 대한족부족관절학회 2014 대한족부족관절학회지 Vol.18 No.4
Purpose: The purpose of this study was to evaluate the frequency of troughing and stress fracture, which are the major complications of scarf osteotomy, and to suggest methods to prevent these complications. Materials and Methods: We reviewed 243 cases of 137 patients treated with the scarf osteotomy for hallux valgus from January 2005 to December 2012. The mean follow-up period was 2.8 years. During the scarf osteotomy, a long oblique longitudinal osteotomy was performed in order to decrease the possibility of troughing and stress fracture. Radiographs of lateral view of the foot were obtained and the thicknesses of the first metatarsal base at the sagittal plane were measured and compared. Results: There was no troughing during fragment translation and screw fixation intraoperatively. Radiographs of lateral view of the foot taken preoperatively and at the last follow-up showed that the mean thickness of the first metatarsal was 22.4 mm preoperatively and 21.6 mm at the last follow-up, with a mean difference of 0.8 mm. And no stress fracture was observed. Conclusion: To prevent troughing and stress fracture, a long oblique longitudinal cut, parallel to the first metatarsal plantar surface, was performed, making both ends of the proximal segment truncated cone-shape, and securing the strong bony strut of the proximal segment. No troughing or stress fracture was experienced with scarf osteotomy.