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KMID : 0359020090380060356
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Korean Journal of Gastrointestinal Endoscopy
2009 Volume.38 No. 6 p.356 ~ p.359
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A Case of a Primitive Neuroectodermal Tumor Detected from a Duodenal Metastasis
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Ha Sung-Hyung
Chang Young-Woon
Lee Sang-Wook
Jang Jae-Young
Dong Seok-Ho
Chang Rin
Kim Hyo-Jong
Kim Byung-Ho
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Abstract
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A primitive neuroectodermal tumor (PNET) belongs to the Ewing’s sarcoma family and is a malignant small round cell tumor of neural crest origin. The most common site of an extraosseous Ewing’s sarcoma is in the soft tissue of the body and extremities. A PNET in the ovary is uncommon. A PNET in the ovary is most often found with a metastasis and the prognosis is poor. The diagnosis of this tumor is confirmed following a pathohistological examination of tissue obtained after an open biopsy or surgery, but no case of a PNET has been diagnosed by the use of endoscopy in Korea. We present a case of a primitive neuroectodermal tumor of the ovary, which metastasized to the duodenum as diagnosed by use of an endoscopic biopsy in a 32-year-old woman who presented with abdominal discomfort.
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KEYWORD
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Primitive neuroectodermal tumor, Ovary, Duodenal metastasis
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