Keywords: ریزش مو; MamografÃa; Neoplasia mamaria; Biopsia con aguja gruesa; EcografÃa mamaria; EcografÃa Doppler; Artefactos; Microcalcificaciones; Mammograms; Breast tumor; Core biopsy; Breast ultrasound; Doppler ultrasonography; Artifacts; Microcalcifications;