Toby Peart, 13, began feeling pins and needles in the leg in April last year and his symptoms worsened over months.

Toby Peart, from Strathpeffer in the Highlands, was treated at the Royal Hospital for Children in Glasgow in November.

Toby Peart, 13, began feeling pins and needles in the leg in April last year and his symptoms worsened over months.

Toby Peart began experiencing the common sensation - normally associated with growing pains - alongside pain in his left leg in April last year and his symptoms became…