From April 1978 to Oct 1990, 217 members of 30 families who requiredallogeneic marrow transplantation were examined for HLA typing, with HLA standardantiserum a
Whole body bone scan imaging of <sup>99m</sup>Tc-MDP was performed in 80 casesfrom Sept 1991 to Feb 1992. Among them 20 patients showed negtive bone imaging and