Image-Guided Radiotherapy and Chemotherapy in Gynaecological Cancer

Are size criteria (short axis <1cm) reliable?

Consider N involvement when:

Short axis ≥ 10 mm Short axis 5-10 mm And:

PET positive

•  Intensity (T2) •  Diffusion (DWI) • Irregular border • Lost architecture • Round shape • Inhomogeneous

Co-registration of modalities

CT + T2w MRI

CT

CT + PET

CT + DW MRI

?

Detection

Delineation