A guide to percutaneous nephrolithotomy

Percutaneous nephrolithotomy (PCNL) is now the gold standard approach to treating large renal stones. Since its development in the 1970s, it has undergone a series of refinements that could only have been possible with the symbiosis of both radiological and...

Artificial penile pearls: what every Urologist should know!

Penile implants are inert objects placed beneath the skin of the penis through an incision. These are variously referred to as Yakuza beads, pearls, ball bearings, speed bumps, penile marbles, inserts, etc. The term ‘penile implant’ described here should not...