MRI for Perianal Fistula

Sep 9, 2016 by in GENERAL RADIOLOGY Comments Off on MRI for Perianal Fistula

Fig. 15.1 Normal anatomy of the pelvic floor and anal sphincters. The levator ani (lev ani) muscles blend with the puborectalis (pr) which in turn merges with the circular external…

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Prostate Imaging

Sep 9, 2016 by in GENERAL RADIOLOGY Comments Off on Prostate Imaging

Fig. 20.1 Graphical illustration of the prostate in relation to the other male pelvic organs. The prostate encases the proximal urethra (prostatic urethra) and is intimately bound to the bladder…

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MRI Evaluation of Rectal Carcinoma

Sep 9, 2016 by in GENERAL RADIOLOGY Comments Off on MRI Evaluation of Rectal Carcinoma

Fig. 14.1 Sagittal T2-weighted sequence shows annular, mid rectal tumor (arrows), which is seen at 8 cm from the anal verge. Sagittal sequences are very useful for assessing the site…

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The Appendix

Sep 9, 2016 by in GENERAL RADIOLOGY Comments Off on The Appendix

Algorithm 13.1 Algorithmic approach for evaluation of the appendix Normal Appendix A useful landmark for identifying the appendix at CT is the fatty ileocecal valve (Fig. 13.1). When trying to identify…

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Cirrhosis and Hepatocellular Carcinoma

Sep 9, 2016 by in GENERAL RADIOLOGY Comments Off on Cirrhosis and Hepatocellular Carcinoma

Causes of cirrhosis Hepatitis C (55 %) Hepatitis B (16 %) Alcohol (13 %) Cryptogenic nonalcoholic fatty liver disease and nonalcoholic steatohepatitis (16 %) Other causes: hereditary hemochromatosis, constrictive pericarditis,…

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Overview of CT Colonography

Sep 9, 2016 by in GENERAL RADIOLOGY Comments Off on Overview of CT Colonography

Algorithm 11.1 Risk of Adenoma to Carcinoma” [3–7] Hence, the success of any diagnostic test as a colorectal cancer screening tool lies in its ability to accurately diagnose polyps measuring 1…

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Post-locoregional Therapy Imaging of the Liver

Sep 9, 2016 by in GENERAL RADIOLOGY Comments Off on Post-locoregional Therapy Imaging of the Liver

Fig. 4.1 A 64-year-old male with unresectable HCC. The segment II lesion (arrow) demonstrates hyperenhancement on the contrast-enhanced gradient echo MRI images before treatment (a). Immediately after administration of radioembolization…

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