Presentation
Abdominopelvic pain.
Patient Data
The right kidney is small. A few cortical cysts are seen at kidney.
Increased wall thickness is noted at middle and lower third of rectum accompanied by perirectal fat stranding and a few small perirectal lymphadenopathies.
The prostate gland is enlarged.
Increased wall thickness is seen at middle and lower third of rectum accompanied by perirectal fat infiltration. The anal sphincters at left side and mesorectal fascia at left posterolateral aspect of it are involved by mass.
At least three small perirectal lymphadenopathies with maximum SAD of 7 mm are observed.
The prostate gland is enlarged.
Case Discussion
Pathology proven rectal adenocarcinoma with local invasion and regional lymphadenopathies.
Colorectal cancers can be found anywhere from the cecum to the rectum. Rectosigmoid involvement includes about 55% of cases as the most common site of colorectal cancer. CT is the modality most used for staging colorectal carcinoma, however, MRI is the preferred modality for the staging of rectal cancer.