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RISS 인기검색어
- 검색키워드
- 저자 : 오칠환(Chil Whan Oh) (검색결과 4 건)
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Recurrent Infantile Digital Fibroma
최현철(Hyun Chul Choi),계영철(Young Chul Kye),오칠환(Chil Whan Oh) 대한피부과학회 1992 대한피부과학회지 Vol.30 No.5
Recurrent infantile digital fibroma is a peculiar fibrous tumiir that may be single or multiple on fingers and toes of infants and children. We report a 5-year-old gril with recurrent infantile digital fiber oma which was recurrent on the left 5th toe. The lesion had noted at the age of 6 months. and was excised surgically when the child was 3 year old. 2 years after operation, the lesion was recurred in operation site. Microscopically, nodular fibrous mass is attached to flattened,pidermis. The underlying nodule is composed of proliferating fibroblasts surrounded by derse collagenous tissue. We could find eosinophilic inclusion bodies in the cytoplasm of fibro ilast. It was stained pink with H&E, bright red with Massons trichrome and purple with PTAH. (Kor J Derrnatol 1992;30(5):743-746)
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Epiluminescence microscopy 를 보조적으로 이용하여 진단한 색소성 기저세포암 2 예
박재홍(Jae Hong Park),정증태(Jeung Tae Jeong),송해준(Hae Jun Song),오칠환(Chil Whan Oh),김일환(Il Hwan Kim) 대한피부과학회 2001 대한피부과학회지 Vol.39 No.10
Basal cell carcinomas(BCCs) are the most common skin cancers in Korea and a proportion of BCCs contain pigment. Pigmented basal cell carcinomas(PBCCs) are included in the differential diagnosis of invasive melanoma and other benign pigmented skin lesions(PSLs) because of their growth patterns and asymmetry of pigmentation. Epiluminescence microscopy(ELM) describes the non-invasive in vivo examination of skin lesions with a microscope using incident light delivered from an acute angle and oil immersion. Many studies have shown that epiluminescence microscopy can improve the diagnostic accuracy of PSLs. Menzies et al analyzed the morphologic features of a large set of 142 pigmented BCCs and produced a simple ELM method for diagnosis that would allow differentiation from melanomas and benign pigmented lesions. We observed morphologic features of two PSLs with a handheld 10 epiluminescence microscopy (Episcope, Welch Allyn Inc, Skaneateles Falls, NY). After the ELM examination, two PSLs were excised and processed for histopathology. The ELM findings and histopathologic diagnosis were compared for each lesion. ELM permits the recognition of two PBCCs and the fact that it is a non-invasive in vivo method makes it even more attractive as a diagnostic tool in clinical practice. (Korean J Dermatol 2001;39(10): 1127-1132)
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서수홍(Soo Hong Seo),김일환(Il Hwan Kim),송해준(Hae Jun Song),오칠환(Chil Whan Oh) 대한피부과학회 2001 대한피부과학회지 Vol.39 No.10
An 34-year-old woman was referred to our outpatient clinic because of 3-year history of diffuse hair loss. According to her, the hair loss tatalled more than 300 hairs daily and she had not been given any systemic medication. There was no history of hair disease in the family except for her father with androgenetic alopecia. On clinical examination there was diffuse alopecia of the frontal and parietotemporal scalp. There were no signs of scalp inflammation or scarring and were no short or broken hairs. The condition did not affect the eyebrows or eyelashes. The nails and teeth were normal. The hair was dry and lusterless, and numerous hairs were easily and painlessly pulled out after exerting soft traction. Light microscopic examination of these hairs showed them to be in anagen with pigmented, twisted hair bulbs and no internal or external root sheaths. Ruffling of the cuticle was seen on a short part of the proximal hair shaft, the rest of the hair being normal in appearance. The incisional biopsy showed fragmented inner root sheath. We diagnosed her for loose anagen hair and educated her to treat her hair gently. She has shown no improvement for two month follow up and is lost after then. (Korean J Dermatol 2001;39(10): 1157~1161)
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