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이성록,이상민,허은정,남정권 대한비과학회 2010 Journal of rhinology Vol.17 No.2
Schwannomas are benign tumors derived from the Schwann cells of the nerve sheath. These are rare tumors that can be found in any part of the body although fewer than 4% of these tumors involve the nasal cavity and paranasal sinuses. Here, we present three cases of sinonasal schwannoma. The tumor masses were removed by endoscopic excision under general anesthesia. Pathological examination of the excised specimens confirmed schwannoma and the tumor cells were immunoreactive for S-100 protein. The patients are doing well with no evidence of recurrence. Schwannomas are benign tumors derived from the Schwann cells of the nerve sheath. These are rare tumors that can be found in any part of the body although fewer than 4% of these tumors involve the nasal cavity and paranasal sinuses. Here, we present three cases of sinonasal schwannoma. The tumor masses were removed by endoscopic excision under general anesthesia. Pathological examination of the excised specimens confirmed schwannoma and the tumor cells were immunoreactive for S-100 protein. The patients are doing well with no evidence of recurrence.
이성록,이철우,오인택,주상언,계세협,진학구,이호순 대한내과학회 1989 대한내과학회지 Vol.37 No.1
Familial polyposis coli is a rare hereditary disease characterized by the appearance of numerous polyps in the large intestine with a high potential for malignant transformation. The disease has considerable value in the elucidation of many problems of gastrointestinal disease, especially in the fields of genetics, histopathology and cancer control, as one of the sources for evidence supporing the adenoma-carcinoma sequence. In Korea, several cases were reported, but there were none which showed malignant transformation after a considerable period. We experienced a case of familial polyposis coli which transformed to adenocarcinoma after aperiod of a year and two months, and we report this with a brief review of the literature.