The carcinosarcoma is a malignant mixed müllerian tumor with a highly malignant, biphasic tumor consisting of both epithelial and mesenchymal components. The presented case refers to a patient in climax with a vaginal bleeding. The Doppler echography highlights a polypoid mass, which prolapses in the cervical channel. The histopathological and immunohistochemical analysis of the surgically resected piece allowed the carcinosarcoma diagnosis. The uterine carcinosarcoma's incidence is rare, that is why this case is interesting taking in consideration the biphasic pattern of the tumor.