Gaucher's disease with valve calcification: possible role of Gaucher cells, bone matrix proteins and integrins.

Gaucher's disease, an autosomal recessive storage disease, leads to deposition of glucocerebrosides in various organs, especially those of the reticuloendothelial system. The heart is not thought to be frequently involved and studies of patients with cardiac involvement have concentrated on myocardial involvement. Despite careful prior investigation Gaucher cells have never been detected in the valves of these patients. Pathological findings of a patient with Gaucher's disease, type IIIc, with prominent cardiac valvular involvement are reported and, for the first time, the presence of Gaucher cells in the valve tissue is documented. There is evidence that the pathogenesis of the valvular injury may be by way of a cell-mediated mechanism involving bone matrix proteins and integrins.