Augmented prophylaxis with single-dose gentamicin is an effective and practical approach. Targeted prophylaxis might be reserved for cases with contraindication to gentamicin.

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Background Emphysematous pyelonephritis (EPN) is one of the most serious urologic emergency which should be diagnosed and treated adequately to prevent impending septic shock and death. Computed tomography (CT) is the gold standard radiologic modality for diagnosis, grading and predicting the outcome. We aimed in this study to define the initial CT radiological findings correlated with EPN conservative management success. Results This study involved 54 patients (42 women and 12 males) with a mean age of 48 ± 10 years. EPN grades I, II, III, and IV were noticed in 12, 17, 20, and 5 patients, respectively. Ten patients (18.5%) received successful conservative management. On the other hand, renal drainage was needed in 42 patients (77.8%). Delayed nephrectomy was required in two cases (3.7%). In univariate and multivariate analyses, the absence of hydronephrosis and decreased air locules volume were predictors of conservative treatment success (P = 0.003 and 0.01, respectively). Conclusions Conservative therapy should be selected in certain patients of emphysematous pyelonephritis. Decreased air locules volume and the absence of hydronephrosis in pre-admission computed tomography were predictors for conservative therapy success.

Background Zinner's syndrome is a mesonephric duct anomaly characterized by unilateral renal agenesis, ipsilateral seminal vesicle cyst, and ipsilateral ejaculatory duct obstruction due to insult occurred at urogenital tract embryogenesis during the first trimester. In the third and fourth decades of life, it is frequently diagnosed when patients begin to be symptomatic, such as lower urinary tract symptoms, infertility and painful ejaculation. Case presentation Herein we illustrate case review including five patients diagnosed as Zinner’s syndrome, three of them complaining from infertility; however, the remaining two cases were fertile and incidentally diagnosed. Conclusions Radiological investigations play significant role in the diagnostic and management processes including US, CT and MRI for detecting ipsilateral renal agenesis and unilateral seminal vesicles dilatation, but evaluation of ejaculatory duct can be done only by MRI and transrectal ultrasound; however, the latter may be sometimes nonconclusive or intolerable by patients, so MRI is considered the golden modality with its high capability to assess the lower male genital tract which played a significant role in our case series starting with detection of the presence or absence of the ejaculatory duct obstruction as well as the high delineation of the origin and nature the seminal vesicle cyst including also its size and content and finally by detection of the communication between ureteral bud and the seminal vesicles cystic dilatation.