Presentation
Chronic constipation.
Patient Data
Age: 45 years
Gender: Female
From the case:
Rectosigmoid colon cancer
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Circumferential increased wall thickness due to tumoral infiltration is present at rectosigmoid measuring about 6cm in length. Mild surrounding fat stranding and a few small regional lymphadenopathies are observed. There is no sign of local invasion to adjacent structures.
Case Discussion
The patient underwent colonoscopy and biopsy, and the histopathology report confirms poorly cohesive carcinoma with signet ring features involving colonic mucosa.
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.
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