The Role of Ultrasonography and Computed Tomography in the Diagnosis of Focal Splenic Lesions
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This study is to determine the role of ultrasonography (US) and computed tomography (CT) in improving splen ic imaging and characterization of splenic pathology. Our study included 92 patients. All patients were examined by ultrasonography, including B mode, color and power doppler US. Forty five of these patients were examined by high resolution CT. The splenic lesions were 52 malignant (40 lymphoma and 12 metastases) and 40 benign (10 in farctions, 8 infections, 5 trauma, 6 cysts, 8 calcifications and 3 haemangiomas). Malignant splenic lesions were hypoechoic in 50 patients while splenomegaly was the most common findings in CT. Ultrasonography plays a major role in the detection of splenic lesions. US was more sen sitive than CT in the detection of malignant lesions, partic ularly splenic lymphoma, while US and CT were equally effective in benign lesions. On CT, I.V. injection of conttast material improved both the sensitivity of the exami nation and the delineation of the abnormality. Key Words: Spleen - Ultrasound - Computed tomography - Neoplasm - Infarction - Injuries.