The incidence of revision total hip replacement is increasing at an alarming rate in India. Most common reasons for revision are infection, recurrent dislocation, polyethylene wear and peri-prosthetic fractures. Surgeons need to be aware of these causes and be able to diagnose them accurately. The success of revision depends on a timely diagnosis and correction of the underlying pathology. With moderm prosthesis like the modular stems, HA coated stems, trabecular metal implants, large diameter femoral...