00890nas a2200181   4500000000100000008004100001260006600042653001300108653001500121653001200136653003600148100001800184700001000202245007600212250002100288300000900309520039000318       1996                            d  bInternational Federation of Anti-Leprosy AssociationsaLondon10aReaction10aManagement10aleprosy10aErythema nodosum leprosum (ENL)1 aCommission IM1 aILEP 00aILEP Technical Bulletin 9 : The management of erythema nodosum leprosum  aRev.  April 2011  a2 p.3 a<p>Immunologically mediated episodes of acute or subacute inflammation known as a reaction, may occur in any type of leprosy except indeterminate. Unless reactions are promptly and adequately treated they can result in permanent deformity. Most reactions belong to one of two major types, erythema nodosum leprosum (ENL) or type 2 reaction or reversal reaction (type 1 reaction).</p>