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Chinese Journal of Urology ; (12): 14-16, 2013.
Article in Chinese | WPRIM | ID: wpr-432267

ABSTRACT

Objective To investigate the features of clinical pathology,phenotye and differential diagnosis of thyroid follicular carcinoma-like renal tumor.Methods A 25-year-old female patient was hospitalized in February 28,2011 because of hypertension for 20 months.Physical examination revealed a right renal space-occupying lesions without percussion pain.Blood pressure was 200/130 mm Hg (1 mm Hg =0.133 kPa).Thyroid,heart,lung,and abdominal examination showed no abnormalities.Blood,urine routine,biochemical examination,blood catecholamines,and thyroid function test results were normal.CT examination showed that a visible circular nodules with clear boundary was in the upper pole of the right kidney,and the maximum section about 2.2 cm × 3.0 cm withuneven density andrenal artery was pressed down.Clinical diagnosis was right renal tumor,and right renal tumor was removed under general anesthesia.Intraoperative tumor was located in the right renal hilumwithclear boundary,and the surrounding mild adhesions.Postoperative blood pressure wasnormal.Results General inspection of the specimen:a 2.5 cm diametermasswith intact capsule.The color of the section of the mass is gray red and gray.Multiple small cysts are seen in the section and the cysts contain jelly material.Microscope inspection:the tumor tissue is arranged like thyroid follicular and the follicular contains much acidophil colloid.Immunohistochemistry:the tumor cell is EMA (+),Vimtin (+),CK7 (+),CK20 (+),CD117 (-),TTF-1 (-),TG (-),CgA (-),Syn (-).Conclusions Thyroid follicular carcinoma-like renal tumors is a very rare kidney epithelial cell tumor,which is attributable to any known subtypes of renal cell carcinoma.To improve the understanding of it can avoid misdiagnosis and prevent inappropriate treatment.

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