Abstract
The imaging features of rectal tumors on CT and MRI are reviewed. MRI is the imaging modality of choice for loco-regional staging, and may provide clues as to the histological nature of some tumors.
MeSH terms
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Adenocarcinoma / diagnosis*
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Adenocarcinoma / diagnostic imaging*
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Adenoma, Villous / diagnosis*
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Adenoma, Villous / diagnostic imaging*
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Adult
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Anus Neoplasms / diagnosis
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Anus Neoplasms / diagnostic imaging
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Carcinoid Tumor / diagnosis
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Carcinoid Tumor / diagnostic imaging
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Carcinoma, Squamous Cell / diagnosis
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Carcinoma, Squamous Cell / diagnostic imaging
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Diagnosis, Differential
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Female
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Gastrointestinal Stromal Tumors / diagnosis
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Gastrointestinal Stromal Tumors / diagnostic imaging
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Hemangioma, Cavernous / diagnosis
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Hemangioma, Cavernous / diagnostic imaging
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Humans
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Leiomyoma / diagnosis
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Leiomyoma / diagnostic imaging
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Lymphoma / diagnosis
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Lymphoma / diagnostic imaging
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Magnetic Resonance Imaging / methods*
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Male
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Melanoma / diagnosis
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Melanoma / diagnostic imaging
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Middle Aged
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Neoplasm Staging
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Rectal Neoplasms / diagnosis*
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Rectal Neoplasms / diagnostic imaging*
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Rectal Neoplasms / pathology
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Rectal Neoplasms / secondary
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Rectum / pathology
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Tomography, X-Ray Computed / methods*