Colon adenocarcinoma

Case contributed by Michael P Hartung
Diagnosis almost certain

Presentation

Left lower quadrant pain, anemia, weight loss.

Patient Data

Age: 75 years
Gender: Female
ct

Large, non-obstructing irregular mass 7.6cm in length in the distal descending colon consistent with a colonic adenocarcinoma. Areas of wall thickening in the colon measure up to 2.2 cm.

Several mildly prominent peritumoral lymph nodes, with example larger lymph node measuring 8 mm. No retroperitoneal adenopathy. Left common femoral lymph node measures 2.8 x 1.3 cm, unchanged since 2016 and likely a chronic finding. No new pelvic adenopathy.

No peritoneal implants. Small amount of fluid and stranding in left paracolic gutter.

Case Discussion

CEA = 16 (normal <3)

Large, non-obstructing colonic adenocarcinoma of the descending colon. A few mildly prominent peritumoral lymph nodes without metastases elsewhere in the abdomen or pelvis.

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