Gallbladder Visualization on I-131 Post-Ablative Whole Body Imaging Mimicking Hepatic Metastases.

A 52-year-old woman with follicular thyroid carcinoma presented for ablative radioiodide and whole body I-131 imaging following subtotal thyroidectomy. An abnormal focus of increased activity was present in the region of the gallbladder fossa, persistent on delayed imaging. Subsequent CT revealed no hepatic metastases.

Primary angiosarcoma of the heart in identical twins.

Imaging findings of cardiac angiosarcoma in identical twins are presented and discussed.