Concurrent Endometrial Carcinosarcoma and Thyroid Papillary Carcinoma: PET CT Imaging Findings

Abstract

The aim of this study is to report a patient who was diagnosed with a concurrent primary tumor by 18-fluoro-2-deoxy-glucose positron emission tomography (FDG PET) imaging performed for staging of an endometrial cancer. FDG uptake was detected in the uterus, where the primary cancer was located, and in the left lobe of the thyroid gland. The biopsy sample from the hypermetabolic nodular lesion in thyroid gland revealed intermediate cytology according to Bethesda Classification. The patient underwent hysterectomy and thyroidectomy. An endometrial carcinoma in the uterus and a multicentric thyroid papillary carcinoma in the thyroid gland were diagnosed.