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전혜주 ( Hyae Joo Jeon ),문경원 ( Kyoung Won Moon ),김성현 ( Seong Hyun Kim ),함정희 ( Jeong Hee Hahm ),황규광 ( Kyu Kwang Whang ) 대한피부과학회 2007 대한피부과학회지 Vol.45 No.7
Basal cell carcinoma (BCC) is noted for its many histologic variants because of its pluripotential origin from epithelial germ cells. Clear cell BCC has been recognized as a distinct variant and has a clear cell component made up of cells which are either vacuolated or display a finely granular eosinophilic cytoplasm. We report a case of clear cell BCC in a 62-year-old man who had a well-demarcated, skin-colored nodule on the left nasal ala. It was treated by surgical excision with a Burow`s graft and no recurrence has been observed. (Korean J Dermatol 2007;45(7):706∼709)
여드름 치료에 있어 ALA와 여드름 모드 IPL을 병합한 광화학 요법과 여드름 모드 IPL만을 이용한 광치료의 비교 연구
전혜주 ( Hyae Joo Jeon ),김성현 ( Seong Hyun Kim ),함정희 ( Jeong Hee Hahm ),황규광 ( Kyu Kwang Whang ) 대한피부과학회 2007 대한피부과학회지 Vol.45 No.1
Background: Acne vulgaris is one of the most prevalent and emotionally debilitating dermatologic diseases. Emerging problems with conventional acne treatments, such as the resistance of Propionibacterium acnes to antibiotics and the safety of oral isotretinoin, create a demand for other treatment modalities for acne. An evolving understanding of the Propionibacterium acnes-produced porphyrins and the development of a number of light sources have led to the application of photodynamic therapy for the treatment of acne. Objective: To study the effect of light therapy on the treatment of Acne Vulgaris using acne mode intense pulsed light (IPL), and photodynamic therapy with a combination of topical 5-Aminolevulinic acid (ALA, 20%) and acne mode IPL. A comparison of the two treatment modalities would then be made to examine the effect on inflammatory acne lesions and sebum excretion. Methods: Thirteen patients with varying degrees of acne were included in the study after a 4 week washout period. ALA (20%) was applied to half of the face on each patient. After one hour, the whole face was exposed to intense pulsed light (DECA(R)), Italia) using an acne mode (400~1,200 nm) starting at a fluence of 11 J/cm2. The procedure was carried out three times with 2 week intervals, and the patients were evaluated on post-op 2nd, 4th, and 6th weeks. Histologic changes were observed before and after treatment. Results: After the first and second treatment, there was a statistically significant reduction in inflammatory acne lesion counts and the amount of sebum production from baseline, in both the ALA-PDT group and the IPL group (p<0.05). However, no statistically significant reduction was shown after the third treatment in both groups. There was a slightly higher reduction in the count of inflammatory lesions and the amount of sebum production in the ALA-PDT site compared to the IPL site, but in was not statistically significant. On histologic examination, dermal inflammatory cell infiltrations around the perivascular and periappendageal area were significantly reduced and sebaceous glands became smaller after the 3rd treatment. The adverse effects were negligible. Conclusion: ALA-PDT using acne mode IPL, and light therapy using acne mode IPL alone were effective in the reduction of inflamed lesions and sebum secretion in patients with mild to moderate acne vulgaris. Furthermore, no significant adverse effects were observed with both treatments. However, no remarkable contrast of therapeutic effect was statistically observed between the two therapies either. (Korean J Dermatol 2007;45(1):14~22)
전혜주 ( Hyae Joo Jeon ),김성현 ( Seong Hyun Kim ),황규광 ( Kyu Kwang Whang ),함정희 ( Jeong Hee Hahm ) 대한피부과학회 2007 대한피부과학회지 Vol.45 No.10
We report a case of neurotized nevus with a sclerotic fibroma-like change in a 60-year-old female patient, who presented with a brown colored pedunculated nodule on the upper quadrant of the abdomen. The skin biopsy revealed a well-circumscribed, non-encapsulated nodule in the reticular dermis, which consisted of hypocellular hyalinized collagen bundles separated by clefts mixed with nevus cells. Nevus cells are small with a spindle appearance and contain Meissner corpuscle-like structures called nevic corpuscles. We suggest that a sclerotic fibroma-like change is an evolutionary end-point of a pre-existing lesion. This is supported further by the fact that neuroid change in the intradermal nevus represents the end stage of maturation of melanocytes of the nevi. (Korean J Dermatol 2007;45(10):1074∼1077)
대학생들의 한 손 및 양손 스마트폰 사용 시 목, 가슴, 어깨 자세의 비교
이대희,전혜주 대한신경치료학회 2022 신경치료 Vol.26 No.2
Purpose The aim of this study was to compare the cervical, thoracic, and shoulder posture according to the onehanded and twohanded use of smartphone while sitting position in university students. Methods Thirty subjects participated in this study. Subjects were asked to perform while sitting position between the onehanded and twohanded use of the smartphone. To quantitatively assess the cervical and thoracic flexion of subjects, the angle was measured using the smartphone application (Goniometer Pro). The shoulder level of subjects was measured using a scoliometer. Results The cervical, thoracic flexion angle and shoulder level were significantly greater when sitting while sitting of one and twohanded use of the smartphone compared to that of normal sitting without using a smartphone (p<0.05). The shoulder level was significantly greater when onehanded use of the smartphone compared to that of normal sitting without using a smartphone (p<0.05). The shoulder level was significantly greater when onehanded use of the smartphone compared to that of twohanded use of the smartphone (p<0.05). Conclusion Study results indicate that habitually using a smartphone while onehanded use of a smartphone in sitting position could be a potential risk for nonneutral trunk posture.