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Ãæ¼öµ¹±âÀÇ ¹è»ó¼¼Æ÷Çü À¯¾ÏÁ¾ Goblet Cell Carcinoid of the Appendix

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±èÁÖÇå/Joo Heon Kim ÀÌÈ£/¿À¼Ò¿µ/°­¸íÀç/ÃÖÈ£¿­/À̵¿±Ù/Ho Lee/So Young Oh/Myoung Jae Kang/Ho Yeul Choi/Dong Geun Lee

Abstract

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Carcinoid tumors of the appendix are common incidental findings, but appendiceal
tumors with histologic features of both carcinoids and adenocarcinomas are rare, and
their biologic behavior and histogenesis are still unclear. We report a case of goblet cell
carcinoid of the appendix in a 54-year-old male, who exhibited pain in the right lower
abdomen. Microscopically, the tumor contained smooth-bordered, widely separated nests
composed of tumor cells with abundant mucin. The principal tumor cell type had a close
resemblance to the normal goblet cell. Histochemically, the tumor cells revealed positive
reaction for PAS and alcian blue stain. Immunohistochemically, the tumor showed strong
reactivity for carcinoembryonic antigen, chromogranin and, neuron specific enolase but
none for cytokeratin and epithelial membrane antigen.

Å°¿öµå

Goblet cell carcinoid; Appendix; Mucin; Immunohistochemistry;

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