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¼ÒÀåÀÇ À§Àå°ü ÀÚÀ²½Å°æ Á¾¾ç Gastrointestinal Autonomic Nerve Tumor (GANT) in Small Intestine

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±èÀçÀÏ ( Kim Jae-Il ) 
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±èÇѼº ( Kim Han-Seong ) 
ÀÎÁ¦´ëÇб³ ÀÇ°ú´ëÇÐ ÀÏ»ê¹éº´¿ø º´¸®Çб³½Ç
±è±âÈ« ( Kim Ki-Hong ) 
ÀÎÁ¦´ëÇб³ ÀÇ°ú´ëÇÐ ÀÏ»ê¹éº´¿ø ¿Ü°úÇб³½Ç
¹Ú¿ëÁø ( Park Young-Jin ) 
ÀÎÁ¦´ëÇб³ ÀÇ°ú´ëÇÐ ÀÏ»ê¹éº´¿ø ¿Ü°úÇб³½Ç
À̸í¼ö ( Lee Myung-Soo ) 
ÀÎÁ¦´ëÇб³ ÀÇ°ú´ëÇÐ ÀÏ»ê¹éº´¿ø ¿Ü°úÇб³½Ç
±èö³² ( Kim Chul-Nam ) 
ÀÎÁ¦´ëÇб³ ÀÇ°ú´ëÇÐ ÀÏ»ê¹éº´¿ø ¿Ü°úÇб³½Ç
À弮ȿ ( Chang Surk-Hyo ) 
ÀÎÁ¦´ëÇб³ ÀÇ°ú´ëÇÐ ÀÏ»ê¹éº´¿ø ¿Ü°úÇб³½Ç
±èÁöÀÏ ( Kim Ji-Il ) 
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¼Ûº´ÁÖ ( Song Byung-Joo ) 
ÀÎÁ¦´ëÇб³ ÀÇ°ú´ëÇÐ ÀÏ»ê¹éº´¿ø ¿Ü°úÇб³½Ç
¹Ú¼ºÇý ( Park Sung-Hye ) 
ÀÎÁ¦´ëÇб³ ÀÇ°ú´ëÇÐ ÀÏ»ê¹éº´¿ø º´¸®°ú
ÀÌ¿ìÁø ( Lee Woo-Jin ) 
ÀÎÁ¦´ëÇб³ ÀÇ°ú´ëÇÐ ÀÏ»ê¹éº´¿ø ³»°úÇб³½Ç
Àü¿µºó ( Chun Young-Bin ) 
ÀÎÁ¦´ëÇб³ ÀÇ°ú´ëÇÐ ÀÏ»ê¹éº´¿ø ³»°úÇб³½Ç

Abstract


Gastrointestinal autonomic nerve tumors (GANTs) represent a newly described entity, which are stromal tumors of the gastrointestinal tract, with neuronal differentiation. They are CD117 (c-kit) immunoreactive neoplasms and are often immunoreactive for S100 protein, synaptophysin, and CD34. Ultrastructural examination provides the definitive distinguishing features for diagnosing a GANT. The presence of electron-dense granules, or small vesicles, suggests the presence of postganglionic neurotransmitter vesicles. We experienced a 65-year-old female patient who complained of bloody diarrhea, and a 75-year-old male patient who complained of melena. They were diagnosed with a gastrointestinal stromal tumor by an abdominal CT and operation, and were diagnosed as GANT pathologically. Thus we report two cases of a gastrointestinal autonomic nerve tumor, with a review of the relevant literatures.

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GANT;Gastrointestinal autonomic nerve tumor (GANT);Small intestine

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