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Macrofollicular Variant of Papillary Thyroid Carcinoma with Extensive Hemorrhage -Report of A Case-
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  • Macrofollicular Variant of Papillary Thyroid Carcinoma with Extensive Hemorrhage -Report of A Case-
저자명
김혜령,이광길,김은경,박정수,정웅윤,양우익,홍순원,Kim. Hae-Ryoung,Lee. Kwang-Gil,Kim. Eun-Kyung,Park. Cheong-Soo,Chung. Woung-Youn,Yang. Woo-Ick,Hong.
간행물명
대한세포병리학회지
권/호정보
2004년|15권 1호|pp.60-64 (5 pages)
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대한세포병리학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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The macrofollicular variant of papillary thyroid carcinoma (MVPC) is characterized by macrofollicles occupying more than half of the tumor and demonstrating nuclear features of classic papillary carcinoma. It is difficult to recognize on fine needle aspiration (FNA) cytology due to the paucity of aspirated neoplastic cell clusters, especially when the tumor is associated with extensive areas of hemorrhage. Case: A 34-year-old female presented with a well-demarcated nodule in the thyroid gland, diagnosed as a benign nodule on ultrasonography and computed tomography. FNA cytology smear revealed a few small aggregates of follicular cells with morphological features suspicious for papillary carcinoma, set in a background of hemorrhage, inflammatory cells, and hemosiderin-laden macrophages. Intraoperative frozen section revealed macrofollicular nests filled with hemorrhage and composed of follicular cells demonstrating nuclear clearing and grooves. Conclusion: MVPC is a rare but distinctive variant of papillary carcinoma, which is easily mistaken for adenomatous goiter or benign macrofollicular neoplasm on radiologic findings. The cytopathologist should alert oneself on encountering benign radiologic findings and any smear composed of scant numbers of follicular cells with nuclear features suspicious for papillary carcinoma despite the bland-looking background of hemorrhage and hemosiderin-laden macrophages, and recommend intraoperative frozen sections for a definite diagnosis.