Recurrent Brain Metastasis of Triple Negative Breast Cancer With High Uptake in 68Ga-PSMA-11 PET/CT
Esra Arslan, Nurhan Ergül, Yeşim Karagöz, Arzu Gedik, Tevfik Fikret Çermik
Abstract
ABSTRACT: Triple negative breast cancer (TNBC) is characterized by poor prognosis and limited response to standard treatments. Although 18F-FDG PET/CT is frequently used in staging and restaging, in some cases, it may be insufficient considering tumor heterogeneity. Prostate-specific membrane antigen (PSMA) has been reported to be overexpressed in many types of cancer due to tumor-associated neovascularization. 68Ga-PSMA-11 PET/CT can be used to demonstrate radionuclide therapy option as well as detection of primary tumor and recurrence in TNBC. We present a 47-year-old woman with TNBC having recurrent brain metastasis with avid PSMA receptor activity versus low FDG uptake.