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A case of SAPHO syndrome with acne scar
( Sin Wook Chun ),( Suk Young Lee ),( Jong Baik Kim ),( Hoo Min Choi ),( Byung In Ro ),( Han Gyu Choi ),( Han Kyoung Cho ) 대한피부과학회 2016 대한피부과학회 학술발표대회집 Vol.68 No.1
SAPHO (synovitis, acne, pustulosis, hyperostosis, osteitis) syndrome is a systemic inflammatory disorder characterized by involving the skin, bone and joints. This osteoarticular and dermatological inflammatory disease was first reported 1987. Inflammatory osteitis can occur in sternoclavicular and sacroiliac joints with pain and tenderness; these symptoms can be a clue for diagnosis. In dermatologic field, acne on face and pustulosis on palm or sole can be seen. Patient was a 53-year-old woman with neck, chest and back tenderness who was consulted from rheumatologic department for evaluation of pustulosis on the palm and sole. Patient had acne scar on the face. Radiologic evaluation revealed that sternoclavicular osteitis without any infectious sign. Skin biopsy had been obtained from the palm and revealed that intraepidermal cavity filled with polymorphonuclear leukocytes associated with spongiform changes within the surrounding epidermis. The diagnosis of SAPHO syndrome was considered because of these clinical findings. We report a case of SAPHO syndrome, because it is rare and can be helpful for dermatologic doctors to diagnosis this disease.
Unusual localization of digit mucous cyst: fingertip
( Sin Wook Chun ),( Hyun Ok Son ),( Suk Young Lee ),( Jong Baik Kim ),( Han Gyu Choi ),( Han Kyoung Cho ),( Byung In Ro ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.1
Digit Mucous Cyst(DMC) is a common condition that is clinically characterized by a round to oval, translucent, smooth nodule. Etiologically, the cyst might rise de novo by fibroblast overproduction of hyaluronic acid. The buildup of mucopolysaccharides pushes the collagen of the dermis upward, forming a pseudocyst. Such pathogenesis is independent from adjacent joint and is considered as a focal cutaneous mucinosis. In addition, a direct connection from an osteoarthritic joint might allow joint fluid to escape and form a mucous cyst. DMC typically involves the lateral or dorsal surfaces of the distal interphalangeal joint or over the proximal nail fold. It is occasionally painful and uncomfortable. Histologically, they are more accurately classified as pseudocysts because there is no epithelial lining of the spaces. Within the stroma, multiple small, cleft-like spaces with a tendency for liquefaction and cavity formation coalesce to form large cystic spaces containing mucin. A 57-year-old male, construction worker patient had a hyperkeratotic corn-like nodule over the tip of his right middle finger for 1 year. Tenderness of the nodule made the patient uncomfortable which eventually made the nodule removed. Shaving biopsy and curettage was performed and mucinous material was drained. Histological examination had revealed characteristic features of a mucinous cyst. Interestingly, the cyst was on the fingertip, a very unusual localization.
A Case of Terra Firma-Forme Dermatosis Treated with Salicylic Acid Alcohol Peeling
( Sin Wook Chun ),( Suk Young Lee ),( Jong Baik Kim ),( Hoo Min Choi ),( Byung In Ro ),( Han Kyoung Cho ) 대한피부과학회 2017 Annals of Dermatology Vol.29 No.1
Terra firma-forme dermatosis (TFFD) is a bizarre, acquired and idiopathic dermatosis that etiology has still not been fully defined. It is characterized by the presence of asymptomatic, brownish dirt-like lesion maybe due to disorder of keratinization. These lesions cannot be removed with ordinary cleansing. Therefore, TFFD can be differentiated from dermatosis neglecta. Patient was a 17-year-old man with brownish lesions on his face for 1 month. The patient had a history of regular washing habit with soap and water. The lesions were asymptomatic however due to cosmetic reasons, the patient wanted to treat his skin lesions. Punch biopsy revealed hyperkeratosis and fungal spore are in stratum corneum. Salicylic acid peeling with alcohol base was performed on the patient`s face. The skin lesions disappeared completely on gentle swabbing with peeling. In this point, the diagnosis of TFFD could be considered. Since, this disease can be confused with dermatosis neglecta, we report this case with literature review. (Ann Dermatol 29(1) 83∼85, 2017)
P163 : A clinical study on scabies (2009-2013)
( Sin Wook Chun ),( Sang Yoon Lee ),( Hyun Ok Son ),( Suk Young Lee ),( Han Gyu Choi ),( Han Kyoung Cho ),( Byung In Ro ) 대한피부과학회 2014 대한피부과학회 학술발표대회집 Vol.66 No.2
Background: Scabies is an ectoparasite caused by the mite Sarcoptes scabiei var. hominis. This very contagious dermatologic disease is not rare even today. In Goyang city, there are a lot of nursing home and the elderly. So scabies will not be rare disease and its prevalence could be increasing. Objectives: To evaluate the clinical characteristics of scabies patients and find out etiologic factors in transmission. Methods: We reviewed clinically 377 scabies patients diagnosed by microscopic examination in retrospective manner at the Myongji Hospital (2009-2013). Results: The mean age of the patients was 58.7 (male: 54.7/female: 62.8), and 75% of patients were over 50 years. Scabies was found to be most common in November and December. The suspected routes of transmission is nursing home (38.5%), caregivers (15.4%) and house(13.3%). 67.4% of scabies patients had underlying disease such as hypertension (33.7%), dementia (11.9%) and diabetes mellitus (11.9%). Conclusion: We report this clinical study to evaluate the clinical characteristics of scabies patients and find out etiologic factor in transmission.
A case of multiple pseudorheumatoid nodules
( Sin Wook Chun ),( Hyun Ok Son ),( Suk Young Lee ),( Jong Baik Kim ),( Han Gyu Choi ),( Han Kyoung Cho ),( Byung In Ro ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.1
Rheumatoid nodules (RN) are the most characteristic extra-articular manifestation of rheumatoid arthritis (RA),occurring in approximately 25% of patients with seropositive rheumatoid arthritis and rarely in seronegative patients. ‘Pseudorheumatoid nodules’ is a term that has been applied to nodules in the subcutis that mimic rheumatoid nodules histologically, without the development in the absence of joint pain, rheumatoid arthritis, or systemic lupus erythematosus. Because some of these nodules occur in patients with other lesions that are typical of intradermal granuloma annulare, the nodules are now generally considered to represent a subcutaneous variant of granuloma annulare. Patient was a 53-year-old man with multiple nodules on his joints of both hand for 1 year. He is a patient without RA, and seronegative RF and ANA. Histopathological examination of the skin biopsy specimen showed granulomatous lesion in dermis and subcutis. Eventually, this report is a case of a 53-year-old man with multiple pseudorheumatoid nodules on his hand who is patient without RA.
A case of actinic granuloma on the face and anterior neck
( Sin Wook Chun ),( Suk Young Lee ),( Jong Baik Kim ),( Hoo Min Choi ),( Byung In Ro ),( Han Kyoung Cho ),( Han Gyu Choi ) 대한피부과학회 2016 대한피부과학회 학술발표대회집 Vol.68 No.1
Actinic granuloma (O’Brien) is an annular granulomatous lesion that develops mainly in sun exposed area. This rare skin disorder was first described in 1975 by O’Brien. This disease presents in middle aged individuals with asymptomatic annular plaque with mild central atrophy. Patient was a 76-year-old woman with yellowish, annular and crust like lesion on the face and anterior neck for 6 months. The lesions gradually increased with mild pruritus. Microscopic examination of skin scraping was negative for fungal elements. Punch biopsy showed granulmatous reaction and giant cells with degenerative elastic fibers. The histopathologic findings and photodistribution were consistent with actinic granuloma. We report a case of actinic granuloma that showed typical clinical and histopathological findings.
A case of terra firma-forme dermatosis treated with salicylic acid peeling
( Sin Wook Chun ),( Suk Young Lee ),( Jong Baik Kim ),( Hoo Min Choi ),( Byung In Ro ),( Han Gyu Choi ),( Han Kyoung Cho ) 대한피부과학회 2016 대한피부과학회 학술발표대회집 Vol.68 No.1
Terra firma-forme dermatosis(TFFD) is a bizarre, acquired and idiopathic dermatosis that etiology has still not been fully defined. It is characterized by the presence of asymptomatic, brownish dirt-like lesion maybe due to disorder of keratinization. These lesions cannot be removed with ordinary cleansing, therefore TFFD can be differentiated from dermatosis neglecta. Patient was a 17-year-old man with brownish lesion on his face for 1 month. The patient had a history of regular washing habit with soap and water. The lesions were asymptomatic however, the patient wanted to solve the problem due to cosmetic reason. Punch biopsy revealed that hyperkeratosis and fungal spore in stratum cornium. We had performed salicylic acid peeling with alcohol base. It disappears completely on gentle swabbing with peeling. In this point, the diagnosis of TFFD could be considered. This disease can be confused with dermatosis neglecta, therefore we report this case with literature review.