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Bednar Á¾¾ç 1¿¹ Bednar Tumor -A case report with discusion of histogenesis-

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Abstract

1956¿µ Bednar´Â ÇǺÎÀÇ Á¾¾ç Áß¿¡¼­ ±¤ÇÐÇö¹Ì°æÀûÀ¸·Î ¼Ò¿ëµ¹À̸ð¾ç ¶Ç´Â ¹Ù¶÷°³ºñ¸ð¾ç
(storiform)À» º¸ÀÌ´Â ¿©·¯°¡Áö Á¾¾çµéÀ» Åë°ýÇؼ­ ¼Ò¿ëµ¹À̸ð¾ç ½Å°æ¼¶À¯Á¾(storiform
neurofibroma)À̶ó´Â ¸íĪÀ¸·Î º¸°íÇϸ鼭, ±× ÀÓ»ó»ó, º´¸®ÇÐÀû ¼Ò°ß ¹× »ý¹°ÇÐÀû Ư¡±îÁö
±â¼úÇÏ¿´´Ù. Áï, ±¹¼ÒÀûÀ¸·Î Àç¹ßÇÏÁö¸¸ ºñ±³Àû ¾ç¼º Á¾¾çÀ̸ç, ÀÓ»óÀûÀ¸·Î À¶±â¼º ÇǺμ¶
À¯À°Á¾Ã³·³ º¸À̳ª ±¤ÇÐÇö¹Ì°æÀûÀ¸·Î ±¸º°µÇ°í, »ý¹°ÇÐÀûÀ¸·Î ´õ ¾ç¼ºÀ̶ó°í ÇÏ¿´´Ù. ±×·¯
³ª, µå¹® Á¾¾çÀ̱⠶§¹®¿¡ Áö±Ý±îÁö Á¤È®ÇÑ »ý¹°ÇÐÀû Çൿ ¾ç½ÄÀ̳ª Á¶Á÷ ±â¿øÀÌ È®¸³µÇ¾î
ÀÖÁö ¾Ê´Ù. ÃÖ±Ù ÀúÀÚµéÀº Bednar Á¾¾ç 1¿¹¸¦ °æÇèÇÏ°í º´¸®ÇÐÀû, ÀüÀÚÇö¹Ì°æÀû ¹× ¸é¿ªÁ¶
Á÷È­ÇÐÀû °Ë»öÀ» ÅëÇÏ¿© Á¶¾çÀÇ Á¶Á÷±â¿øÀ» ¿¬±¸ÇÏ°íÀÚ ÇÑ´Ù.
#ÃÊ·Ï#
The authors examined a case of Bednar tumor(pigmented dermatofibrosarcoma
protuberans). A 35-year-old woman presented with protruding black back mass 3¡¿2.5
cm in surface dimension and 1 cm in heigh, which has grown slowly for 30 years.
Microscopically the lesion is characterized by spindle cells arranged in storiform pattern
and admixed with melanin containing dendritic cells. Ultrastructural study revealed three
cell populations: ¨ç cells resembling fibroblasts, ¨è cells resembling perineural cells, and
¨é melanocytes. The immunohistochemical study using S-100 protein ¥á-1 antitrypsin,
antichymotrypsin and EMA revealed negative reaction in spindle fibroblastic tumor cells.
The histogenesis of this neoplasm remains controversial; neuroectoderm, perineural cell,
fibroblast and histiocyte. Through the ultrastructural study and immunohistochemical
study, the authors suggested that Bedner tumor arises from the neuroectoderm with
bidirectional to perineural and fibroblastic differentiation. (Korean J Pathol 1993; 27: 659
¡­662)

Å°¿öµå

Bednar tumor; Histogenesis; Neuroectoderm; Dermatofibrosarcoma protuberans;

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