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백훈희(Hun Hee Baek),홍석정(Seok Jung Hong),이미지(Mi Ji Lee),김승우(Seung Woo Kim) 대한두경부종양학회 2016 대한두경부 종양학회지 Vol.32 No.1
The pilomatricoma is a benign skin neoplasm arising from hair follicle matrix cells, and it comprises approx-imately 0.12% of all benign skin tumors. It occurs most commonly in head and neck. It usually tends to occur in childhood or school-age. Mainly, it exists in single subcutaneous or intradermal nodule and grows very slowly. The diagnosis is confirmed by histopathologic examination. Histopathologically, it is characterized by basaloid cells, enucleated shadow cells and calcifications in the shadow cell. However, it is rare to present extensive ossifica-tion in pilomatricoma. The treatment of choice is wide local excision. A 66-year-old man came to our clinic and he complained of two masses on right parotid tail and posterior neck. We performed excisional biopsy on posterior neck and partial parotidectomy. The pathology of former was pilomatricoma with extensive ossification. We report a rare unique case of pilomatricoma with brief review of literature.
구인두와 성문상부에 발생한 결절 외 비성 NK/T 세포 림프종 1예
백훈희(Hun Hee Baek),임성환(Sung Hwan Lim),이미지(Mi Ji Lee),김승우(Seung Woo Kim) 대한두경부종양학회 2017 대한두경부 종양학회지 Vol.33 No.1
The extranodal nasal NK/T-cell lymphoma was formerly known as lethal midline granuloma due to its most common clinical pattern like a destructive midline facial tumor. It often spread to other extranodal sites, such as skin, soft tissue, testis, upper respiratory tract, and gastrointestinal tract etc. For this reason, the term of extranodal NK/T-cell lymphoma, nasal type is preferred. Its disease entity may have a prominent admixture of inflammatory cells and necrotic tissues, further causing difficulty in diagnosis. A 44-year-old man was visited to our clinic with complaints of dysphagia and odynophagia during six months. He underwent three times punch biopsies and then, two times incisional biopsies. Finally, He was diagnosed as extranodal NK/T-cell lymphoma, nasal type involving oropharynx and supraglottis. We report an extremely rare case of extranodal NK/T-cell lymphoma, nasal type occurred in oropharynx and supraglottis with a brief review of literature.
백훈희(Hun Hee Baek),홍석정(Seok Jung Hong),이미지(Mi Ji Lee),김승우(Seung Woo Kim) 대한두경부종양학회 2017 대한두경부 종양학회지 Vol.33 No.1
Salivary gland tumors comprise almost 5% of head and neck malignancies, and minor salivary gland tumor which account for 10-15% of all salivary gland neoplasm are infrequently malignant. The mucoepidermoid carcinoma (MEC) is second most common tumor in minor salivary gland. It usually presents as a painless, rubbery-hard or soft mass, which may be fixed or mobile into the underlying structure. The predilection sites of intraoral MEC are palate, cheek, mandible, lip, and tongue, etc. There are very few published reports of MEC occurred in retromolar trigone. Only one case has been reported so far. Recently, we experienced a-70-year old man with a mass in retromolar trigone, which was finally diagnosed as MEC. We report the unique case with literature review.
사대진(Dae Jin Sah),김윤정(Yoon Jung Kim),백훈희(Hun Hee Baek),김승우(Seung Woo Kim) 대한두경부종양학회 2014 대한두경부 종양학회지 Vol.30 No.1
Liposarcoma is a malignant tumor originated from adipose tissue, accounting for 20% of all soft tissue sarco-mas. A 69-year-old man with anterior and posterior neck mass visited to our department and we performed an excisional biopsy in level Ι. Histopathological examination revealed liposarcoma, so we performed wide exci-sion in anterior and posterior neck, and adjuvant radiotherapy. We report a unique case of well-differentiated li-posarcoma on anterior and posterior neck with literature review. To our best knowledge, such case has not been reported earlier in Korea previously.