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A Case of Fordyce`s Disease with Wide Distribution
Byun, Dae Gyoo,Park, Hyun Jeong,Baek, Seung Cheol,Chae, Kyung Ok 대한피부과학회 2001 Annals of Dermatology Vol.13 No.2
Fordyce's disease is a condition known as ectopically located sebaceous glands an the vermilion borders of the lips and oral mucosa. Clinically, it is groups of minute, yellowish, globoid macules and papules. Histologically, it is characterized by sebaceous glands not associated with hair follicles. We report on a 40-year-old man with Fordyce's disease showing particularly wide distribution an the buccal mucosa and upper lip.
Byun, Dae Gyoo,Park, Hyun Jeong,Baek, Seung Cheol,Lim, Sook Hee,Ha, Ji Hyun 대한피부과학회 2001 Annals of Dermatology Vol.13 No.2
Trichilemmal horn(trichilemmal keratosis) is a rare keratinizing tumor that resembles a cutaneous horn. Histologically, it is characterized by an abrupt maturation of keratanocytes into lamellar keratin without the formation of a granular layer. We describe a case of a trichilemmal horn an the right cheek of a 78-year-old woman.
변대규(Dae Gyoo Byun),김형옥(Hyung Ok Kim),조백기(Baik Kee Cho),이원구(Won Koo Lee) 대한피부과학회 1983 大韓皮膚科學會誌 Vol.21 No.1
Demodex is easily found from eyelashes and suggested as the one of the causes of some eye diseases. This study was to investigate the occurence rate, and classification of Demodex from eyelashes, and its relationship with blepharitis. The data of this study were compiled from 27 blepharitis patients and 173 patients without blepharitis (control group) who had visited St. Paul's Hospital from October 1981 to December 1981. Three eyelashes from each eyelid-total 12 lashes from a patient-were extracted under the slit lamp, located on a slide glass and fixed with polyvinyl lactophenol mounting medium. (countinued..)
변대규,허동,장항욱,백숭철 대한피부과학회 2001 대한피부과학회지 Vol.39 No.4
Background: Photodynamic therapy (PDT) is a kind of non-invasive photochemotherapy, which is designed to kill the target cells through photodynamic reaction. It has been reported that PDT is very effective in superficial lesions, including extramammary Paget's disease. Yet, there has been no clinical trial for the treatment of extramammary Paget's disease using PDT in Korea. Objective:The purpose of this study was to evaluate the effectiveness of PDT in treating extramammary Paget's disease Method: Seven patients with anogenital extramammary Pagets disease were treated repeatedly with local PDT using topical ALA 20% and intralesional injection of hematoporphyrin derivative (HpD), and systemic PDT using HpD. Fluences of 125-200J/㎠ and intensities of 50-100mW/㎠ were used. Result: The clinical outcomes were disappointing. All the patients experienced only partial responses despite repeated treatments. But side effects were minimal. Conclusion: PDT is not effective enough for the treatment of extramammary Paget's disease to be used as a primary therapy. It would be better to use as an adjuvant to other treatment methods. Photodynamic sensitization, also known as photodynamic diagnosis, might help us define a more reliable border of the extent involved and the surgical margin to be excised.
Houh, Dong,Byun, Dae Gyoo,Baek, Seung Cheol,Lee, Ho Pyo,Lee, Hye Nam 대한피부과학회 1998 Annals of Dermatology Vol.10 No.3
Neonatal lupus erytematosus is a distinct subset of lupus erythematosus. It is characterized by cutaneous findings exhibiting the morphology of subacute cutaneous lupus erythematosus, congenital heart block, and anti-Ro/SSA and/or anti-La/SSB autoantibodies which result from the transplacental passage of maternal autoantibodies. We report a case of a 12-week-old female infant who presented with characteristic clinical and histopathological features of cutaneous neonatal lupus erythematosus but without evidence of congenital heart block. Initial serological studies reveled the presence of anti-La/SSB antibodies and antinuclear antibodies. 5 months later, follow-up serology was negative in accordance with a clinical remission.
Disappearing Atypical Lentiginous Pigmentation of the Desmoplastic Malignant Melanoma
Houh, Dong,Byun, Dae Gyoo,Baek, Seung Cheol,Lim, Sook Hee 대한피부과학회 2001 Annals of Dermatology Vol.13 No.1
A 38-year-old man presented with a black pigmented patch overlying his upper lip, a part of the gingiva and the hard palate. An intradermal tumor mass was palpated at the central portion of the pigmented patch of the upper lip. Diphenylcyclopropenone (DPCP) is a potent contact sensitizer that could stimulate non-specific immunity. We report a case of desmoplastic malignant melanoma (DMM) in which an atypical lentiginous pigmentation disappeared with topical DPCP immunotherapy and the dermal tumor mass was removed by a surgical wedge-shaped excision. Though an atypical lentiginous pigmentation of DMM sometimes undergoes extensive spontaneous regression, in our case it could be attributed to the therapeutic effect of topical DPCP immunotherapy rather than a spontaneous regression.
전신성 홍반성 루푸스와 관련성을 보인 Kikuchi 병 1 예
박현정,변대규,채경옥,백승철 대한피부과학회 2001 大韓皮膚科學會誌 Vol.39 No.4
Described originally in young Japanese women, Kikuchi's disease produces a histiocytic necrotizing lymphadenitis of predominant cervical lymph nodes. Histiocytic necrotizing lymphadenitis, Kikuchi's disease, is a condition rarely associated with systemic lupus erythematosus(SLE). We present a 34-year-old woman with tender multiple cervical lymphadenopathy of 1-year duration and SLE symptoms. Histologic examination of lymph node shows histiocytic necrotizing lymphadenitis.She showed high titer of antinuclear antibody, skin lesion with photosensitivity, thrombocytopenia and arthritis, We describe a case of Kikuchi's disease associated with SLE.
Lee, Ju-Min,Kim, Min-Gu,Byun, June-Ho,Kim, Gyoo-Cheon,Ro, Jung-Hoon,Hwang, Dae-Seok,Choi, Byul-Bora,Park, Geun-Chul,Kim, Uk-Kyu Korean Association of Maxillofacial Plastic and Re 2017 Maxillofacial Plastic Reconstructive Surgery Vol.39 No.-
Background: This study was to investigate the effect of biomechanical stimulation on osteoblast differentiation of human periosteal-derived stem cell using the newly developed bioreactor. Methods: Human periosteal-derived stem cells were harvested from the mandible during the extraction of an impacted third molar. Using the new bioreactor, 4% cyclic equibiaxial tension force (0.5 Hz) was applied for 2 and 8 h on the stem cells and cultured for 3, 7, and 14 days on the osteogenic medium. Biochemical changes of the osteoblasts after the biomechanical stimulation were investigated. No treatment group was referred to as control group. Results: Alkaline phosphatase (ALP) activity and ALP messenger RNA (mRNA) expression level were higher in the strain group than those in the control group. The osteocalcin and osteonectin mRNA expressions were higher in the strain group compared to those in the control group on days 7 and 14. The vascular endothelial growth factor (VEGF) mRNA expression was higher in the strain group in comparison to that in the control group. Concentration of alizarin red S corresponding to calcium content was higher in the strain group than in the control group. Conclusions: The study suggests that cyclic tension force could influence the osteoblast differentiation of periosteal-derived stem cells under optimal stimulation condition and the force could be applicable for tissue engineering.