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Fig. 1 | Surgical and Experimental Pathology

Fig. 1

From: Cribriform-morular variant of papillary thyroid carcinoma with poorly differentiated features: report of a case and review of the literature

Fig. 1

Cribriform-morular variant of papillary thyroid carcinoma (CMVPTC) with dedifferentiated features. A The cribriform component of the tumor has luminal structures without colloid and prominent cribriform structures lined by stratified tall cells. A morule is also present (arrow) (X20) B Capsular invasion and a focus of tumor cells entering a blood vessel (arrow) in the capsule in the CMVPTC. (X10). Increase mitotic activity in the solid portion of the carcinoma with up to three mitoses per 10 high power field. A mitotic figure is shown (arrow). D Ki-67 immunostaining shows increased proliferative index in the solid area of the carcinoma (X40)

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Surgical and Experimental Pathology

ISSN: 2520-8454

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