1 Department of General Internal Medicine, University Hospital Gasthuisberg, Dienst Algemene Inwendige Geneeskunde, UZ Gasthuisberg, Herestraat 49, 3000 Leuven, Belgium.
Two elderly female patients with fatal calciphylaxis, despite nearly normal renal functions, occurring during treatment for giant cell arteritis, are described. The possible mechanisms for this association are discussed.