Unusual FDG PET Appearances in a Patient With Metastatic Breast Carcinoma

This was a case of a 52-year-old woman with a history of multiorgan, metastatic breast cancer, who underwent several lines of treatment. She had brain metastases, which were treated with gamma knife. She progressed at other organ sites with additional recurrence of brain metastases and leptomeningeal disease, which demonstrated an interesting pattern of intracranial FDG uptake with further seizure-related muscular uptake.