op rol ifer ative ▁dise ases ▁are ▁a ▁category ▁of ▁h emat ological ▁m align an cies ▁dis orders ▁which ▁have ▁characteristics ▁of ▁both ▁my el od ys pl astic ▁and ▁my el op rol ifer ative ▁conditions . ▁ ▁When ▁a ▁h emat ological ▁m align ancy ▁is ▁character ised ▁by ▁normal ▁different iation ▁of ▁cells ▁of ▁my el oid ▁cell ▁line , ▁it ▁is ▁referred ▁to ▁as ▁my el op rol ifer ative . ▁On ▁the ▁other ▁hand , ▁when ▁there ▁is ▁ab normal ▁different iation ▁of ▁cells ▁of ▁my el oid ▁cell ▁line , ▁it ▁is ▁referred ▁to ▁as ▁my el od ys pl astic . ▁ ▁References ▁ ▁External ▁links ▁▁▁ ▁http :// www . can cer . gov / can cert op ics / pd q / tre at ment / md s - mp d / Pat ient ▁ ▁Category : My el oid ▁ne op las ia <0x0A> </s> ▁Al h aj i ▁Ah med ▁Ram ad an ▁is ▁Gh ana ian ▁politician ▁and ▁former ▁chairman ▁of ▁People ' s ▁National ▁Convention ▁( PN C ). ▁He ▁retired ▁from ▁active ▁politics ▁in ▁ 2 0 1 5 . ▁ ▁Personal ▁life ▁Al h aj i ▁Ram ad an ▁is ▁father ▁of ▁three ▁Gh ana ian ▁notable ▁personal ities ; ▁Ab u ▁( Y outh ▁Organ izer ▁of ▁P NC ), ▁Moh ammed ▁Adam u ▁( ND C ▁parliament ary ▁asp ir ant ▁for ▁Ad ent an ) ▁and ▁Sam ira ▁B aw um ia . ▁