The BBC's monthly Health Check with Claudia Hammond and Dr Ayan Panja focuses on surgical stories from around the world.

New augmented reality goggles could help cancer patients by showing up cancerous cells as glowing - increasing the chances that surgeons can remove tumours in a single operation.

Many Venezuelan women are going to extreme lengths in the pursuit of their ideal figure, by getting liquid silicone injected directly into their buttocks. This can cause severe side effects and even death but despite being banned in 2012 is still common.

Claudia visits a Cape Town clinic that is keeping treatment costs to the bare minimum, making fertility treatment more accessible to people on lower incomes.

Obstetric fistula is a debilitating condition, resulting from difficult childbirth, which affects over two million women around the world. Tulip Mazumdar visited central Uganda, where British doctors are trying to help sufferers. Show less