on the basis of the age of manifestation , acuity of the clinical course and organ involvement abt-letterer-siwe 's disease , hand-schuller-christian 's disease and eosinophilic granuloma can be differentiated from each other , although transitional varieties of these syndromes are possible .
C0023381
abt-letterer-siwe 's disease
C0019621
hand-schuller-christian 's disease