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Objective: To review the different aspects of epididymal tumors, with special reference to adenomatoid tumor of the epididymis (mesothelial neoplasm). Two such cases are reported herein., Methods: Two cases of adenomatoid tumor of the epididymis are described. The clinical features, diagnosis and treatment are discussed, within the context of the algorithm recently presented by Pellicé and co-workers., Results/conclusion: Most of the epididymal tumors are benign and treatment using a scrotal approach will suffice. However, inguinotomy should be performed when the benign nature of the tumor cannot be established unequivocally.

Objectives: An uncommon case of clinically occult Leydig cell tumor of the testis is described. The literature is reviewed with special reference to the difficulty encountered in making the diagnosis., Methods/results: The clinical data of a patient with occult Leydig cell tumor of the testis, whose only remarkable feature was a long history of gynecomastia, are presented., Conclusions: A hormonal study and scrotal ultrasound evaluation are essential in the diagnosis of this tumor type and should be performed even in the absence of testicular anomalies on palpation.

A patient with a previous history of left renal colic and no evidence of passing calculi was admitted to hospital for exacerbation of the urinary condition. The IVP and US evaluation revealed a ureteral stop which appeared to be extrinsic on retrograde uretero-pyelography. Surgery disclosed a large urinoma in the lumbar fossa. The compromised ureteral segment was removed and the pathological analysis of the surgical specimen revealed infiltration from adenocarcinoma. A primary tumor was sought early postoperatively due to irregular constipation referred by the patient. Finally, adenocarcinoma of the sigmoid colon was found. Only 8 similar cases of urinoma from extravasation due to ureteral obstruction secondary to a tumor have been reported in the literature up to 1982.

We report on a female patient that had undergone extracorporeal shock wave lithotripsy for a staghorn stone. We describe the endourological maneuvers that were performed, but had failed to avoid nephrectomy due to renal fistula with urinoma.

Herein we report a case of pulmonary fibrosis secondary to chronic administration of nitrofurantoin following radical surgery for a bladder tumor and urinary intestinal diversion. The patient developed pulmonary superinfection and acute respiratory failure. She initially responded to treatment, but relapsed after two weeks. She died from the underlying disease.

Leiomyoma of the renal capsule is rare and very difficult to diagnose preoperatively. We report on a patient in whom a solid renal mass had been incidentally detected during ultrasound evaluation for a gastroenterological condition. A CT scan confirmed the presence of a solid mass. The intraoperative biopsy showed it was a benign tumor and conservative surgery was performed. According to the literature, this tumor type has, as yet, not been diagnosed preoperatively. However, some angiographic features may indicate the presence of this condition. This is the fourth case of leiomyoma of the renal capsule reported in the literature and the second case treated by conservative surgery.

We report a case of pulmonary fibrosis from long-term furantoin therapy after radical surgery for a bladder tumor and urinary intestinal diversion. The patient developed pulmonary superinfection and acute respiratory failure. She initially responded to treatment, but relapsed two weeks later. The underlying pathological condition led to the patient's death.

A case of solitary, contralateral, asynchronous adrenal metastasis that appeared 5 years following nephrectomy is described herein. To our knowledge, ours is the fifth case reported in the world literature.