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22 de mai. de 2024 · Colorectal cancer (CRC) is the most common cancer of the gastrointestinal tract and is one of the most frequently diagnosed malignancies in adults. CT is the mainstay for colon cancer locoregional staging and MRI is the mainstay for rectal cancer locoregional staging. This article focuses on colon cancer.
The patient had a segment with colonoscopy and biopsy, which revealed that it was a colonic adenocarcinoma (pathological confirmation). Colorectal cancers can be found anywhere from the cecum to the rectum, in the following distribution: recto-sigmoid : 55%. cecum and ascending colon : 22%.
9 de jan. de 2023 · The 7 th edition of the TNM classification of colorectal carcinomas was proposed in 2010, and has now been updated and replaced by the 8 th edition, published in 2016.
However, extensive invasions and distant metastasis are better demonstrated by means of CT and MRI. Briefly, rectosigmoidoscopy and double contrast techniques are important in diagnosis of the colorectal tumors. As for staging, TRUS, CT, and MRI are the modalities of choice.
Age: 65 years. Gender: Female. ct. A short segment of irregular mural thickening (due to tumoral infiltration) with subsequent luminal attenuation is present at the proximal transverse colon, measuring 6 cm in length and 3 cm in maximal thickness; accompanied by pericolic fat stranding and few regional lymphadenopathies with SAD less than 8 mm.
Case Discussion. Descending colon mass; pathology proved adenocarcinoma, with regional lymphadenopathies: no local invasion and detectable metastasis. 1 article features images from this case. 5 public playlists include this case.
