MEGAKOLON

MEGAKOLON (Megacolon; yun. megas – kalon va lot. colon – qulun), qisman yo purra vase gashtani rudai gafs. Vaseshavii patologii rudai sigmashaklro «megasigma» menomand. Sababhoi M. gunogun meboshand: purra taraqqi nakardani dastgohi asabhoi rudai gafs (aganglioz), osebi silsilai asabhoi markazi, nojurihoi endokrini, gipovitaminozho, omilhoi ravoni. Dar kudakon sababi nisbatan beshtari M. agangliozi rudai gafs (bemorii Girshsprung) va shaklhoi nosurii atreziyai rudai rost meboshand (dar mavridi onho harakat va guzaronishi qismi kanorii rudai gafs khalal meyobad).
Alomathoi bolinii M.: dar ruda band shudani najosat va gazho; ba vujud omadani qay, bazan omekhta bo talkha. SHikam damish karda, holati bemor tadrijan bad megardad (in alomati zahroludi ast). M.-ro bo usuli irrigoskopiya va endoskopiya tashkhis menamoyand. Agar sababi M. dar nuqsi inkishofi ruda boshad, pas onro bo usuli jarrohi tabobat mekunand. Dar holathoi digar parhez va dorushifoi natijai dilkhoh medihad.