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Introduction: One of the most common urological emergency conditions is acute scrotum. Scrotal pain is commonly seen in early adults in the emergency departments with an association of different pathologies. The aim of this study was to determine the comparison of high-resolution sonography and colour Doppler flow imaging in patients presenting with acute scrotum. Material & Methods: A descriptive study was conducted at the Department of Radiology, Lady Reading Hospital, Peshawar, Pakistan. This study enrolled a purposive sample of emergency department patients presenting with acute scrotal pain. The pattern of blood flow, peak systolic velocity, resistive index, pulsatility index, mean and standard deviation were calculated for the continuous variables. Descriptive analyses were performed to investigate the distribution of data. Results: A total of 72 patients were enrolled in our study. The mean age of patients was recorded 36.33±11.66 years. The most common scrotal pathologies that associated with scrotal pain was hydrocele 31(38.8%), followed by varicocele 22(27.5%), testicular torsion 9(11.3%), cyst 8(10.0%), epididymo-orchitis 7(8.8%), pyocele 6(7.5%), orchitis 4(5.0%), increase scrotal wall thickness 3(3.8%), undescended testis 3(3.8%), inguinoscrotal hernia 1(1.3%), testicular atrophy 1(1.3%), rete testis 1(1.3%), hemangioma 1(1.3%), hematoma 1(1.3%), scrotal mass 1(1.3%), testicular microlithiasis 1(1.3%), and normal scrotal sonography 4(5.0%) of cases respectively. Conclusion: High-resolution ultrasonography along with colour and power Doppler should be used as 1st line imaging modality in patients presenting with acute scrotal pain.

Background: Features of enhanced color flow images in small hepatocellular carcinoma (HCC) are not fully elucidated. The purpose of this study was to clarify the characteristic vascular images in small HCC observed by enhanced color Doppler.Methods: Enhanced color Doppler using the contrast agent Levovist was performed on 13 patients with HCC smaller than 30 mm. Enhanced color flow appearance was compared with angiographic findings. Time-intensity changes after injection of the contrast agent were analyzed in HCC nodules.Results: Significant improvement in the detection of color flow signals was obtained in small HCC using Levovist, from 33% in precontrast to 92% in postcontrast (p < 0.005). Three patterns of enhanced color flow images, which were related to the angiographic findings, were observed. The time-intensity curve was classified into two types by "time to peak" and "time on plateau" and was associated with the patterns of enhanced images.Conclusion: Enhanced color flow imaging promises to be a useful method for evaluating tumor vascularity noninvasively and to contribute to the elucidation of the hemodynamics in small HCC. [ABSTRACT FROM AUTHOR]

A case of an isolated dissecting aneurysm of the superior mesenteric artery is presented with findings of three-dimensional CT imaging. False lumen, intimal flap, entry, and re-entry are clearly identified on three-dimensional CT imaging. [ABSTRACT FROM AUTHOR]