Because whole body CT and MRI screening are relatively new concepts, most occurring on a private pay or self-referral basis, limited data have been collected comparing the 2 methods.
Columbkille was born as Colm, meaning dove, in Donegal, Ireland in 521 A.D. to a family of Irish aristocracy. Since he was a direct descendant of Niall of the Nine Hostages, Columba was part of a lineage of kings who had ruled Ireland for six centuries.
The earliest written reference linking such creatures to Loch Ness is in the biography of Saint Columba, the man credited with introducing Christianity to Scotland. In A.D. 565, according to this account, Columba was on his way to visit a Pictish king when he stopped along the shore of Loch Ness.