http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Histopathologic analysis of trachyonychia in adults: An analysis of 24 patients
( Keunyoung Hur ),( Byeol Han ),( Je-ho Mun ) 대한피부과학회 2019 대한피부과학회 학술발표대회집 Vol.71 No.2
Background: Trachyonychia is a rare chronic inflammatory disease of the nail matrix. Trachyonychia in adults has more chronic courses compared to that in children. Nevertheless, the pathophysiology is largely unknown, and treatment guideline has not been solidly established. Objectives: To investigate the histopathological features of trachonychia in adult patients. Methods: We retrospectively reviewed the pathologic features of trachonychia in adult cases that were clinically and histologically confirmed at our center. Results: Median age was 59 years old (range: 39-77). Median disease duration was 78 months (range: 8-384). Histopathologic analysis showed upper dermal lymphocytes infiltration (96%), acanthosis (92%), exocytosis (71%), spongiosis (67%), parakeratosis (50%), psoriasiform hyperplasia (33%), eosinophils infiltration (33%), vacuolar degeneration (29%), lichenoid pattern (8%), collection of neutrophils in stratum corneum (4%), acantholysis (4%), and civatte body (4%). Statistical analysis among pathologic parameters revealed that spongiosis was associated with exocytosis with significance (P = .001). Conclusion: Trachyonychia is a complex immune disorder with various pathologic findings. Majority of cases revealed epidermal changes with infiltration of inflammatory cells. Considering ongoing inflammation and chronic courses of trachyonychia in adulthood, active treatment with anti-inflammatory agents should be considered.
Facial Cutaneous Rosai-Dorfman Disease: Dermoscopic Findings with Successful Surgical Treatment
( Keunyoung Hur ),( Ji Yeon Hong ),( Kyu Han Kim ),( Jihui Jeon ),( Cheol Lee ),( Yoonjin Kwak ),( Tae Min Kim ),( Je-ho Mun ) 대한피부과학회 2023 Annals of Dermatology Vol.35 No.7
Rosai-Dorfman disease (RDD) is a rare non-Langerhans cell histiocytosis characterized by an accumulation of activated histiocytes within the affected tissues. It is a heterogeneous disease that includes the classical (nodal) and extra-nodal variants. The cutaneous form of the disease without the characteristic lymphadenopathy is rare and is often misdiagnosed as other dermatologic diseases. Misdiagnosis as lymphoproliferative and infectious diseases such as lymphoma and tuberculosis have been reported in the literature. Herein, we report a case of facial cutaneous RDD with successful surgical treatment. In addition, we provide dermoscopic findings and literature review as dermoscopy can be a useful adjuvant tool in the diagnosis of cutaneous RDD.
( Keunyoung Hur ),( Jong H Won ),( Jungyoon Ohn ),( Je-ho Mun ) 대한피부과학회 2020 대한피부과학회 학술발표대회집 Vol.72 No.1
Background: Surgical excision is the treatment of choice for lipomas. However, linear incision methods or minimal extraction techniques often do not provide a sufficient surgical view. Therefore, removing large lipomas is often difficult. Objectives: To present the Z-incision and half Z-incision designs for lipoma extraction Methods: This retrospective study analyzed lipomas surgically excised at our institution between September 2015 and December 2018. Results: A total of 84 lipomas were included. A Z- or half Z-incision was used to treat 30 lipomas, while a linear incision was used to treat 54 lipomas. The mean diameter of the mass in the Z- or half Z-incision group was 47.7 mm (range, 15-160 mm), larger than that in the linear incision group (25.5 mm; range, 7-59 mm) (p < .001). The Z-incision involved making rectangular windows by lifting 2 triangular flaps. According to our mathematical model, the Z-incision provided a larger surgical field area than that provided by the linear incision based on stretched angles (1.81 times larger at 30° and 3.14 times larger at 15°). The Z- and half Z-incisions were successfully performed in all but 1 lipoma (29 lipomas, 96.7%). Conclusion: The Z-incision design can be a useful alternative technique for the extirpation of lipomas, especially large lipomas. Here, we proposed a surgical algorithm for lipoma surgery based on tumor size.
Discrepancies in general surgery medical terminology between South and North Korea
Keunyoung Hur,Do-Eon Park,오흥권,Hyun Hui Yang,Dayoung Ko,Min-Hyun Kim,Myung Jo Kim,Sung-Il Kang,Duck-Woo Kim,Sung-Bum Kang 한국의학교육학회 2018 Korean journal of medical education Vol.30 No.1
Purpose: The purpose of this study was to categorize surgery-related medical terminologies used in South and North Korea and to compare and analyze discrepancies observed in the terms. Methods: This study collected medical terminology used in the North Korean medical book “Surgery” and compared it to medical terminology found in the medical glossary of South Korea. The order of the subtitle was described according to the Instruction to Authors. Results: In total, there were 2,168 individual medical terms, of which only 1,004 words (46.3%) were identical to South Korean medical terms. There were 581 similar terms (26.8%), 265 different terms (12.2%), and 318 terms that are nonexistent in South Korea (14.7%). Conclusion: Less than half of the medical terms used in North Korea match those used in South Korea. It is expected that the prolongation of the current division of South and North Korea will only worsen this discrepancy. Further efforts to bridge the gap through academic exchange between South Korea and North Korea are required in preparation for an era of reunification.
Perceptions and attitudes of medical students regarding artificial intelligence in dermatology
( Keunyoung Hur ),( Soo Ick Cho ),( Bin Han ),( Je-ho Mun ) 대한피부과학회 2020 대한피부과학회 학술발표대회집 Vol.72 No.1
Background: Artificial intelligence (AI) is progressing rapidly, and its application in the field of medicine is increasing. AI algorithms have been shown to be as accurate as dermatologists in classifying various skin diseases based on clinical images. Objectives: To investigate the attitudes of medical students towards the application of AI in dermatology Methods: Between January and February 2020, we performed a survey to medical students from Seoul National University College of Medicine with approval by the Institutional Review Board of Seoul National University Hospital. Results: One hundred students (male/female: 53/47) completed the survey. The median age was 22.5 years. Only 10% stated that they know AI well, whereas 42% stated they do not. Thirty-one percent expressed interest in AI, and 51% declared that they have received AI-related education. Regarding the source of AI-related knowledge, students responded that they mostly received this information from newspapers and television (82/100, 82%), followed by social networking services (41%), lectures (32%), friends or family (29%), and academic papers or books (22%). Most students (83%) agreed that AI education is necessary in medical school curricula. Conclusion: The discrepancy between the degree of interest among medical students and their level of AI education requires a resolution. Medical school curricula should equip students with the skills and knowledge required to understand and apply AI.
( Keunyoung Hur ),( Soyun Cho ) 대한피부과학회 2021 대한피부과학회 학술발표대회집 Vol.72 No.2
A 48-year-old woman with a history of multiple recalcitrant warts presented with an enlarging mass that accompanied intermittent bleeding in her right index finger over the last few years. Previously, she had been treated for recalcitrant warts of fingers and toes including her right index finger for more than 15 years with various treatment modalities including oral isotretinoin, topical imiquimod and pulsed dye laser. Only partial improvement was observed and the patient was lost to follow-up for the last 5 years. Physical examination revealed a chestnut-sized flesh-colored friable fungating mass in the distal part of her right index finger. Skin biopsy from the right index finger revealed SCC. Subsequent HPV genotyping revealed high-risk (HPV 16, 51, 53, 56) and low-risk HPV (HPV 11) infection. She was referred to the department of Plastic Surgery for surgical excision with additional examination for the remaining skin lesions. Eventually, her right index finger was amputated. In further examination, SCC was additionally confirmed in right 3rd finger, right 4th finger, left thumb, left 3rd finger, left 4th finger, right 2nd toe and left great toe which were previously consistent with verruca vulgaris. Left thumb and right 2nd toe were amputated and other aforementioned lesions were excised surgically. In summary, long-standing recalcitrant warts can evolve into SCC, especially with high-risk HPV infection.