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Collision Tumor Composed of a Granulocytic Sarcoma and an Adenocarcinoma of the Stomach: A Case Report.
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HOME > J Pathol Transl Med > Volume 45(2); 2011 > Article
Case Report Collision Tumor Composed of a Granulocytic Sarcoma and an Adenocarcinoma of the Stomach: A Case Report.
Kyu Yeoun Won, Juhie Lee, Yong Ho Kim, Youn Wha Kim
Journal of Pathology and Translational Medicine 2011;45(2):201-204
DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.2.201
1Department of Pathology, Kyung Hee Medical Center, Kyung Hee University College of Medicine, Seoul, Korea. kimyw@khu.ac.kr
2Department of Surgery, Kyung Hee Medical Center, Kyung Hee University College of Medicine, Seoul, Korea.
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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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