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½Å¿ì¿¡¼­ ¹ß»ýÇÑ ¿ä·ÎÆó»öÀ» À¯¹ßÇÑ ½Å°æ³»ºÐºñ Á¾¾ç: Áõ·Ê º¸°í Neuroendocrine Tumor of the Renal Pelvis Presenting with Urinary Tract Obstruction: A Case Report

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¹Ú¼ÒÈñ ( Park So-Hee ) 
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±è¹ÌÇö ( Kim Mi-Hyun ) 
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±èÁ¤°ï ( Kim Jeong-Kon ) 
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Á¶°æ½Ä ( Cho Kyugn-Sik ) 
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Abstract

½ÅÀå¿¡¼­ ¹ß»ýÇÑ ½Å°æ³»ºÐºñ Á¾¾çÀº µå¹® Á¾¾çÀ¸·Î¼­ ÃÖ±Ù±îÁö 100°³ ¹Ì¸¸ÀÇ Áõ·Ê°¡ º¸°íµÇ¾î ÀÖ´Ù. ±×Áß¿¡¼­µµ ½Å¿ì¿¡¼­ ¹ß»ýÇÑ ½Å°æ³»ºÐºñ Á¾¾çÀº ´õ µå¹°¸ç, ÇöÀç±îÁö ¼¼ Áõ·Ê°¡ º¸°íµÇ¾î ÀÖÀ¸¸ç ±× Áß ¿µ»óÀÇÇÐÀû ¼Ò°ßÀ» ´Ù·é º¸°í´Â ¾ø¾ú´Ù. ¿ì¸®´Â 33¼¼ ³²ÀÚ È¯ÀÚ¿¡¼­ ¹ß°ßµÈ ½Å¿ì¿¡¼­ ¹ß»ýÇÑ ½Å°æ³»ºÐºñ Á¾¾çÀ» º¸°íÇÏ°íÀÚ ÇÑ´Ù. Àü»êÈ­´ÜÃþ ¿µ»ó¿¡¼­ ½Å¿ì¿Í ÀÎÁ¢ÇÏ¿© ±«»ç¸¦ µ¿¹ÝÇÑ Á¾±«°¡ º¸¿´À¸¸ç ÀÌ´Â ¼ö½ÅÁõÀ» À¯¹ßÇÏ°í ÀÖ¾ú´Ù. 3ÀÏ ÈÄ ÃÔ¿µÇÑ Àü»êÈ­´ÜÃþ ¿µ»ó¿¡¼­ Á¾±« ³»ºÎ·Î ÃâÇ÷ÀÌ º¸¿´´Ù. ȯÀÚ´Â ½ÅÀåÀýÁ¦¼úÀ» ½ÃÇàÇÏ¿´À¸¸ç º´¸® °á°ú¿¡¼­ °íºÐÈ­ ½Å°æ³»ºÐºñ Á¾¾çÀ¸·Î Áø´ÜµÇ¾ú°í ¸²ÇÁÀý Á¾´ë³ª ÀüÀ̼º º´º¯ÀÌ º¸ÀÌÁö ¾Ê¾Æ ÃÖÁ¾ ½Å¿ì¿¡¼­ ¹ß»ýÇÑ ÀÏÂ÷¼º ³»ºÐºñ Á¾¾çÀ¸·Î Áø´ÜµÇ¾ú´Ù. ÀÌ¿¡ ´ëÇÑ Áõ·Ê º¸°í ¹× °£´ÜÇÑ ¹®Çå °íÂûÀ» ÇÏ°íÀÚ ÇÑ´Ù.

Primary renal neuroendocrine tumor (NET) is an extremely rare disease with fewer than 100 reported cases to date. Among them, only three involved the renal pelvis, to our knowledge. Here, we report another rare case of primary NET in the renal pelvis of a 33-year-old man. Initial computed tomography (CT) scanning of the abdomen and pelvis revealed a necrotic mass with peritumoral infiltration at the left renal pelvis and ureteropelvic junction causing urinary tract obstruction. A follow-up CT scan revealed an intratumoral hemorrhage. The patient then underwent nephrectomy. The results of a subsequent histopathological examination were consistent with a well-differentiated NET. No lymph nodes or paraganglia were found within the tumor, and further imaging revealed no other primary or metastatic lesions. Therefore, the patient was diagnosed with primary NET in the renal pelvis. We discuss this rare case and briefly review the current NET literature.

Å°¿öµå

Neuroendocrine Tumor; Renal Pelvis; Kidney

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