Use of indocyanine green angiography in microsurgical subinguinal varicocelectomy - lessons learned from our initial experience.

Microsurgical subinguinal varicocelectomy (MSV) is generally considered the gold standard nowadays in view of the lower risk of complications and recurrence. To achieve complete ligation of veins while preserving testicular artery (TA) during the procedure remains challenging despite the application of high power optical magnification and micro-Doppler ultrasonography. The use of intraoperative indocyanine green angiography (ICGA) with infrared fluorescence operative micro-scope in MSV potentially lowers the incidence of TA injury and shortens the learning curve of nov-ice surgeons.

Early postoperative outcome of bipolar transurethral enucleation and resection of the prostate.

Objectives: To report the early postoperative outcome of bipolar transurethral enucleation and resection of the prostate. Our results were compared with those published from various centres.

Setting: Regional hospital, Hong Kong.

In vitro comparison of a novel facilitated ultrasound targeting technology vs standard technique for percutaneous renal biopsy.

Objective: To improve the understanding of the epidemiology of renal cortical neoplasms through pretreatment biopsy, we evaluated a facilitated ultrasound targeting (FUT) technology. The technology allows a needle to be passed through the transducer probe and guided along a virtual dotted line on the monitor. We compared the FUT with standard percutaneous biopsy (PB) technique.

Emphysematous pyelonephritis: an 8-year retrospective review across four acute hospitals.

Objective: To retrospectively review our experience of managing patients with emphysematous pyelonephritis (EPN).

Methods: Case notes of patients with EPN were reviewed. The patients' demographic data, clinical presentation, investigation findings, treatment, and outcome were studied.

In vitro randomized comparison of a standard and novel echogenic needle for ultrasonography-guided renal targeting.

Background And Purpose: Urologists are becoming increasingly aware of the importance of pretreatment percutaneous renal biopsy of small renal cortical neoplasms. A barrier to the routine performance of ultrasonography-guided percutaneous renal biopsy has been the technical challenges associated with the procedure. We evaluated a new modified needle, which incorporates an echogenic needle tip designed to improve the needle tip's visibility under ultrasonographic visualization.

Photoselective vaporisation prostatectomy using a GreenLight High Performance System for patients with bleeding tendency.

Objectives: To report the results of a modified vaporisation incision technique using a GreenLight High Performance System in the treatment of benign prostatic disease in men receiving anticoagulants.

Design: Case series.

Setting: Regional hospital, Hong Kong.

The destruction of the lower urinary tract by ketamine abuse: a new syndrome?

Objective: To report the clinical spectrum seen in young abusers of street-ketamine (regular recreational abusers of street-ketamine, for its hallucinogenic effects) in Hong Kong, presenting with significant lower urinary tract symptoms (LUTS) but with no evidence of bacterial infection.

Patients And Methods: We retrospectively analysed the clinical presentations, pelvic pain and urgency/frequency scores, video-urodynamic studies, cystoscopy findings, histological features of bladder biopsies and radiological findings of 59 ketamine abusers who were referred to the urology units of Princess Margaret and Tuen Mun Hospital, Hong Kong, from March 2000 to December 2007.

Results: Of the 59 patients, all had moderate to severe LUTS, i.

Paraganglioma presenting as a vascular malformation: case report.

Paragangliomas are rare tumours that arise from extra-adrenal chromaffin cells or neuroectodermal chemoreceptor. They are high vascularised and can be functional, secreting catecholamines and other peptides. They occur anywhere from the skull base to the pelvic floor, within the paraganglion system.