Diagnostic Pitfalls of Metastatic Lobular Breast Carcinoma to the Endometrium in a Patient on Long-Standing Tamoxifen Therapy

Metastatic carcinoma from extragenital sites to the uterus, particularly endometrium, is rare and usually a sign of advanced disease. It necessary differentiate between metastatic primary tumours since treatment prognosis are entirely different. We discuss case 61-year-old woman who presented with postmenopausal bleeding due breast cancer endometrium. She had been diagnosed on tamoxifen for six years. This highlights possibility isolated metastasis endometrium without ovarian involvement overlapping histological features therapy. Abnormal uterine in should raise suspicion The immunohistochemical study critical support microscopic findings conjunction clinical history radiological findings.