Occult primary breast cancer: Two cases report and literature review.

Introduction And Importance: Occult breast cancer (OBC) is defined as a clinically recognizable metastatic carcinoma arising from an undetectable primary breast tumor.

Presentation Of Case: We report in this work 2 cases of occult breast cancer treated at the Mohammed VI center of onco-gynecology of the CHU of Casablanca.

Clinical Discussion: Significant advances in breast imaging have occurred since its description, decreasing its incidence.

Primary neuroendocrine carcinoma of the breast in association with squamous cell carcinoma of the breast: A case report and review of the literature.

Introduction And Importance: Squamous cell carcinoma associated with primary neuroendocrine carcinoma (NEC) of the breast, also known as composite tumor, is an extremely rare malignancy with a very poor prognosis.

Presentation Of Case: We report the case of a patient treated in our department for primary neuroendocrine carcinoma of the breast associated with squamous cell carcinoma by radical surgery.

Clinical Discussion: Diagnosis is based on histology and, above all, immunohistochemistry.