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KMID : 0357920110450020201
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Korean Journal of Pathology
2011 Volume.45 No. 2 p.201 ~ p.204
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A Collision Tumor Composed of a Granulocytic Sarcoma and an Adenocarcinoma of the Stomach- A Case Report -
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Won Kyu-Yeoun
Lee Ju-Hie
Kim Yong-Ho
Kim Youn-Wha
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Abstract
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Granulocytic sarcoma, also called chloroma or myeloblastoma, is an extramedullary invasive tumor composed of neoplastic myeloid cells. In this report, we describe a 43-year-old male patient with a collision tumor composed of an adenocarcinoma and a granulocytic sarcoma in the stomach. The coexistence of a granulocytic sarcoma and adenocarcinoma in the stomach has, to the best of our knowledge, not been reported in the literature. The diagnosis of granulocytic sarcoma is very difficult; especially in the absence of concurrent hematologic disease or in the uncommon setting of coexistence with another tumor. Cautious observation is needed when a finding of unusual atypical cells admixed with an adenocarcinoma in the stomach is confronted.
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KEYWORD
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Collision, Sarcoma, myeloid, Adenocarcinoma, Stomach
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