Mandy Sellars (born 20 February 1975 in Lancashire, United Kingdom) is a British woman with a rare genetic mutation that has resulted in extraordinary growth in both of her legs.
[4] Sellars was born with abnormally large and misshapen legs and feet, which continued to grow at a disproportionate rate.
in psychology from the University of Central Lancashire, and maintained an independent lifestyle as an adult, with no live-in helpers.
When the television documentary series Extraordinary People devoted an episode to her called "The Woman with Giant Legs" (2008), it paid for her trip to the United States to consult "renowned orthopaedic surgeon Dr. William Ertl and prosthetic whiz Kevin Carroll.
In 2013, Sellars' case was again profiled on British television in a special called Shrinking My 17 Stone Legs.
Gene sequencing revealed a PIK3CA mutation affecting half of her body, confirming that Sellars' condition is not Proteus syndrome.