Rare variant of lipid storage disorders.

I N 1954 SAWITSKY, HYMAN AND HYMAN reported an unidentified lipid storage disorder in two young adults characterized by the presence in the bone marrow smear of large histiocytes with numerous blue staining cytoplasmic granules.’ By 1966 only six such cases had been reported in the literature.25 A summary of clinical and laboratory findings of these cases were compiled and discussed by Thompson and Moloney.5 In the present paper, a seventh case is reported which presents additional clinical findings, further confirming the impression that these cases do indeed represent a rare but distinct variant of the lipid storage disorders.