[Bellini duct carcinoma: a new case study and literature review]. / Carcinome du tube collecteur de Bellini: une nouvelle observation avec revue de la littérature.

Bellini duct carcinoma is a very rare type of renal cell carcinoma (RCC), accounting for less than 1%. It arises from the distal nephron, more specifically from the collecting duct. Its morphological features are extremely variable, making its diagnosis difficult. We report the case of a 62-year old patient admitted with a painless progressive left flank swelling. CT scan showed a huge mass occupying the upper portion of the left kidney. The patient underwent radical nephrectomy. Anatomopathological examination showed collecting duct carcinoma of the kidney. Patient's evolution was exceptionally favorable: no recurrence, no locoregional metastasis and no distant metastasis.

Large prostatic stones with staghorn renal calculus in a 61-year-old man: an unusual presentation of uncommon disease.

Prostatic parenchymal calculi are common in ageing men who are evaluated for benign prostatic hyperplasia or prostate cancer. Giant prostatic calculi are very rare, usually associated with local predisposing factors for urinary stasis and infections, and traditionally managed by open surgery. We present the first case of its kind to be associated with a concurrent staghorn nephrolithiasis, and removed successfully by endoscopic approach using an access sheath through the urethra.

Upper urinary tract lipoma: A case report.

Upper urinary tract (UUT) benign tumours are rare. We present a case of UUT lipoma in a 41-year-old man with left flank pain. A computed tomographic urography scan revealed an irregular thickening of the left renal collecting system wall extending from the upper calices to the renal pelvis. The diagnosis of UUT was made and the patient underwent a nephroureterectomy with bladder cuff excision, as standard treatment. However, macroscopic and histological examination revealed a lipomatous tumour with no sign of malignancy. To our knowledge this is the first reported case of its kind of a UUT managed first with a minimally invasive approach.

The usefulness of stone density and patient stoutness in predicting extracorporeal shock wave efficiency: Results in a North African ethnic group.

INTRODUCTION: We determine the role of stone density and skin-to-stone distance (SSD) by non-contrast computed tomography of the kidneys, ureters and bladder (CT-KUB) in predicting the success of extracorporeal shock wave lithotripsy (ESWL). METHODS: We evaluated 89 patients who received ESWL for renal and upper ureteric calculi measuring 5 to 20 mm, over a 12-month period. The mean stone density in Hounsfield units (HU) and mean SSD in mm was determined on pre-treatment CT-KUB at the CT workstation. ESWL was successful if post-treatment residual stone fragments were ≤3 mm. RESULTS: ESWL success was observed in 68.5% of patients. Mean stone densities were 505 ± 153 and 803 ± 93 HU in the ESWL successful and failure groups, respectively (p < 0.001, student's t-test). The mean SSD were 10.6 ± 2.0 and 11.2 ± 2.6 cm in ESWL successful and failure groups, respectively; this was not statistically significant. CONCLUSIONS: This study shows that stone density can help to predict the outcome of ESWL. We propose that stone density <500 HU are highly likely to result in successful ESWL. Conversely, stone densities >800 HU are less likely to be successful.

Management of renocolic fistula following abdominal trauma from a Gunshot: Two cases reports.

The renocolic fistula is a rare entity. We report 2 cases of renocolic fistula penetrating an abdominal trauma from a gunshot.

Usefulness of adjunctive alpha1-adrenergic antagonists after single extracorporeal shock wave lithotripsy session in ureteral stone expulsion.

INTRODUCTION: We evaluate the efficiency of α-adrenergic antagonists on stone clearance after extracorporeal shock wave lithotripsy (ESWL) in patients with lower ureteral stones. METHODS: A total of 356 patients with solitary lower ureteral stones who underwent single ESWL sessions were divided into 2 groups. Group 1 received our standard medical therapy, and Group 2 was treated with 0.4 mg/day tamsulosin for a maximum of 2 weeks. All patients were re-evaluated with plain film radiography and ultrasound each week during the treatment period. A computed tomography scan was systematically performed 3 months after ESWL. RESULTS: In total, 82 of the 170 patients in Group 1 (48.2%) and 144 of the 186 patients in Group 2 (77.4%) (p = 0.002) were stone-free. Among the patients with stones 10 to 15 mm in diameter, the stone-free rate was 38.4% in Group 1 and 77.1% in Group 2 (p = 0.003). Average stone expulsion time was 10.6 days and 8.4 days in Groups 1 and 2, respectively. Ureteral colic occurred in 40 patients (23.5%) in Group 1, but only in 10 patients (5.3%) in Group 2 (p = 0.043). The only side effect of tamsulosin was slight dizziness in 5 of the 186 patients in Group 2 (2.6%). CONCLUSION: Adjunctive therapy with α1-adrenergic antagonists after ESWL is more efficient than, and equally as safe as, lithotripsy alone to manage patients with lower ureteral stones. The adding of α-blockers is more reliable and helpful for stones with a large dimension, and can also decrease stone elimination time and episodes of ureteral colic.

WITHDRAWN: Endorectal MRI accuracy in auguring tumour location, tumour extent, capsular perforation and seminal vesicle invasion of prostate cancer in north-African men.

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Paratesticular adenofibroma.

Paratesticular adenofibroma is an uncommon benign tumour. Although it has previously been reported in the female reproductive organs, to our knowledge only three cases have previously been reported in the male genital organs. Herein we describe an adenofibroma that developed in the tunica vaginalis and rete testis. We discuss its histogenesis and conservative treatment.

Multiple myeloma presenting as bilateral renal complex stones.

Hypercalcaemia is a frequent complication of multiple myeloma. A mild degree of nephrocalcinosis has been noted in occasional patients and renal calculi are also sometimes present. We report herein a case of multiple myeloma that was revealed by the presence of bilateral calcium renal staghorn calculi. Medical treatment of myeloma, surgical management of this complex lithiasis and the course of multiple myeloma are discussed.