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Cutaneous Metaplastic Synovial Cyst of the Cheek Generated by Repetitive Minor Trauma
심우행,좌승욱,송마가렛,김훈수,고현창,김병수,김문범 대한피부과학회 2011 Annals of Dermatology Vol.23 No.-
Cutaneous metaplastic synovial cyst (CMSC) refers to a cyst lined by metaplastic synovial tissue including villous structures. It is thought to be a tissue reaction to local trauma,and most cases have a history of preceding surgery or trauma. Clinically, most of the lesion is a tender intradermal nodule that is associated with scar tissue. However, dermatologists have difficulty in diagnosing CMSC because CMSC is reported only rarely and its clinical manifestation can be confused with implantational epidermal cyst, suture granuloma or other cutaneous cysts. Thus, a histopathological exam is mandatory for diagnosis of CMSC. Herein we report the case of an 18-year-old man who developed CMSC on the left cheek on the posterior ramus of the mandible. He had a history of repetitive digital manipulation of the lesion before the onset of CMSC. (Ann Dermatol 23(S2) S235∼S238,2011)
봉침요법 부위에 발생한 Mycobacterium chelonae 감염
심우행 ( Woo Haing Shim ),박현제 ( Hyun Je Park ),김훈수 ( Hoon Soo Kim ),진현우 ( Hyun Woo Chin ),김수한 ( Su Han Kim ),고현창 ( Hyun Chang Ko ),김병수 ( Byung Soo Kim ),김문범 ( Moon Bum Kim ),권경술 ( Kyung Sool Kwon ) 대한피부과학회 2011 대한피부과학회지 Vol.49 No.4
Mycobacterium chelonae is a rapidly growing atypical mycobacterium found in soil and water. In a healthy person, it causes cutaneous infection after an invasive procedure or surgery. Herein, we present a case of a 52-year-old man with multiple erythematous plaques and nodules on the back and left arm, and these occurred at the site of bee sting therapy by a herbal medical doctor. The histologic findings showed a granulomatous infiltration composed of numerous neutrophils, lymphocytes, eosinophils, histiocytes and multinucleated giant cells. Acid fast bacilli were detected by Ziehl-Neelsen stain and Mycobacterium chelonae infection was confirmed by an INNO-LiPA mycobacteria kit. The patient was treated with 1 g of clarithromycin and 200 mg of doxycycline for 6 months and his condition improved considerably. (Korean J Dermatol 2011;49(4):374∼378)
심우행 ( Woo Haing Shim ),송마가렛 ( Margaret Song ),김훈수 ( Hoon Soo Kim ),고현창 ( Hyun Chang Ko ),김병수 ( Byung Soo Kim ),김문범 ( Moon Bum Kim ),좌승욱 ( Seung Wook Jwa ) 대한피부과학회 2011 대한피부과학회지 Vol.49 No.11
Isolated collagenoma usually occurs on the plantar area and is frequently associated with Proteus syndrome. A few reports have described isolated collagenoma on extra-plantar areas such as palm, scalp, face, thigh and finger. Herein, we report a case of isolated collagenoma on the periungual area, which was confused with digital mucous cyst. A 26-year-old man visited our clinic with an asymptomatic, 0.8×0.7 cm-sized, firm, skin-colored nodule on the periungual area of the left fourth finger. The distal nail of the nodule showed a longitudinal groove. Histopathologic findings from periungual nodule showed thickened collagen bundles packing reticular dermis. (Korean J Dermatol 2011;49(11):1014∼1016)