Five years ago, 93-year-old Chinese man, Ma Zhong Nan got a bump on the head. Now that bump has grown into a fully-fledged 'horn'.

He was happy living with his bony growth until it started to itch two weeks ago. Now his family have urged him to seek treatment, and he has sought publicity to help find a doctor.

Human horns are usually benign tumours, although doctors urge patients to get their humantlers checked, as they might be cancerous.

Other people who have grown horns include Mrs Zhao, 95, of Zhanjiang city, Guangdong province (picture right) and Wang the Human Unicorn (also right), who was exhibited at Ripley's in the 1930s.