Figure 18.

Uterine cervical neuroendocrine carcinoma in a 45-year-old female. (a) Axial transvaginal ultrasound shows a large heterogeneous necrotic mass (M) within the enlarged uterine cervix. (b) Sagittal T₂-weighted magnetic resonance image shows heterogeneous high signal intensity mass involving the endometrium (E), uterine body (arrows) and cervix (asterisks). Multiple pelvic and paraaortic metastatic lymph node enlargements (not shown) were evident. The regions of the internal cervical os (small arrow) and external cervical os (arrowhead) are shown. B: bladder