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Abdomen and retroperitoneum | 1.6 Gastrointestinal tract
Case 1.6.8 Colon tumors


Case of the month September 2010 Benign colon tumors:
Colon polyp in the colon
Benign colon tumors:
Colon polyp with a hypoechoic mass in the colon displacing the intraluminal air
Benign colon tumors:
Intussusception of the rectum caused by a benign villous adenoma
Melanoma:
Hypoechoic colon mass that proved to be a melanoma
Malignant colon tumors:
Adenocarcinoma in the transverse colon with a hypoechoic vascularized mass with central air configuration
Malignant colon tumors:
Colon carcinoma with liver and mesenteric lymph node metastases
Malignant colon tumors:
Colon carcinoma with a localized irregular thickened vascularized bowel wall
Malignant colon tumors:
Colon carcinoma with liver and mesenteric lymph node metastases
Malignant colon tumors:
Thickened cecum and ileocecal valve and enlarged lymph nodes that could be mistaken for an ileocecitis, but proved to be a cecal carcinoma
Malignant colon tumors:
Colon carcinoma with a large mass in continuity with the ascending colon
Malignant colon tumors:
Colon carcinoma PA mucinous adenocarcinoma
Malignant colon tumors:
Colon carcinoma with lymph node metastasis
Malignant colon tumors:
Colon carcinoma in the descending colon
Malignant colon tumors:
Colon carcinoma
Malignant colon tumors:
Large colon carcinoma
Malignant colon tumors:
Sigmoid carcinoma with a mass and irregular bowel wall thickening
Malignant colon tumors:
Sigmoid carcinoma with an irregular bowel wall thickening
Malignant colon tumors:
Adenocarcinoma of the transverse colon with a hypoechoic mass and narrowing of the lumen
Colon tumors and bladder invasion:
Sigmoid carcinoma with an irregular bowel wall thickening with air in the bladder caused by infiltration of the tumor in the bladder
Colon tumors and bladder invasion:
Colon carcinoma with a hypoechoic vascularized mass invading the bladder
Rectal tumors:
Large rectum carcinoma with a large hypoechoic mass and a narrow hyperechoic lumen (arrow)
Pitfalls:
Irregular hypoechoic vascularized ileocecal mass with some peritoneal fluid that was interpreted as a possible malignancy, but that proved t ...
Case of the month September 2010 Benign colon tumors:
Colon polyp in the colon
Benign colon tumors:
Colon polyp with a hypoechoic mass in the colon displacing the intraluminal air
Benign colon tumors:
Intussusception of the rectum caused by a benign villous adenoma
Melanoma:
Hypoechoic colon mass that proved to be a melanoma
Malignant colon tumors:
Adenocarcinoma in the transverse colon with a hypoechoic vascularized mass with central air configuration
Malignant colon tumors:
Colon carcinoma with liver and mesenteric lymph node metastases
Malignant colon tumors:
Colon carcinoma with a localized irregular thickened vascularized bowel wall
Malignant colon tumors:
Colon carcinoma with liver and mesenteric lymph node metastases
Malignant colon tumors:
Thickened cecum and ileocecal valve and enlarged lymph nodes that could be mistaken for an ileocecitis, but proved to be a cecal carcinoma
Malignant colon tumors:
Colon carcinoma with a large mass in continuity with the ascending colon
Malignant colon tumors:
Colon carcinoma PA mucinous adenocarcinoma
Malignant colon tumors:
Colon carcinoma with lymph node metastasis
Malignant colon tumors:
Colon carcinoma in the descending colon
Malignant colon tumors:
Colon carcinoma
Malignant colon tumors:
Large colon carcinoma
Malignant colon tumors:
Sigmoid carcinoma with a mass and irregular bowel wall thickening
Malignant colon tumors:
Sigmoid carcinoma with an irregular bowel wall thickening
Malignant colon tumors:
Adenocarcinoma of the transverse colon with a hypoechoic mass and narrowing of the lumen
Colon tumors and bladder invasion:
Sigmoid carcinoma with an irregular bowel wall thickening with air in the bladder caused by infiltration of the tumor in the bladder
Colon tumors and bladder invasion:
Colon carcinoma with a hypoechoic vascularized mass invading the bladder
Rectal tumors:
Large rectum carcinoma with a large hypoechoic mass and a narrow hyperechoic lumen (arrow)
Pitfalls:
Irregular hypoechoic vascularized ileocecal mass with some peritoneal fluid that was interpreted as a possible malignancy, but that proved t ...
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