Prostate-specific antigen (PSA) ndi mankhwala opangidwa ndi maselo a prostate (timagulu ting'onoting'ono ta ntchito ya prostate). PSA imazungulira m'magazi. Pamene uli m'magazi, PSA ikhoza kukhala yokhudzana ndi mapuloteni omwe ali m'magazi kapena akhoza kukhala osagwirizana ("mfulu"). Ndi zachilendo kuti zonsezi zikhale zovomerezeka komanso zopanda PSA komanso zina mwa mitundu iyi ya PSA zimaonedwa ngati zachilendo.
"Peresenti yaulere" ya PSA ikhoza kuwerengedwa pogawaniza "PSA kwaulere" ndi PSA yathunthu.
Kafukufuku apeza kuti, kawirikawiri, amuna omwe ali ndi kansa ya prostate amakhala ndi PSA yaulere poyerekeza ndi amuna omwe alibe khansa ya prostate.
Mapulogalamu Osavomerezeka Ndiponso Osalongosoka PSA
Kawirikawiri, amuna ali ndi peresenti yopanda PSA pamwambapa 25 peresenti. Pakati pa 10 peresenti ndi 25 peresenti amaonedwa kuti ndipakatikati mwa magawo khumi ndi asanu ndi awiri omwe amawerengedwa kuti ndi otsika.
Komabe, peresenti yochepa-PSA yaulere, ngakhale kuphatikizapo mkulu wa PSA mlingo waukulu (chiwerengero chojambulidwa chomwe mwauzidwa ndi PSA nambala yanu), sizikutanthauza kuti muli ndi khansara ya prostate . Chidziwitso chokha chimatha kudziwa kuti kansa ya prostate imatha.
Kodi PSA Yanga Yopanda Peresenti Imatanthauzadi Chilichonse?
Vuto lomwe anthu ambiri amagwiritsa ntchito popanga chisankho cha momwe angayesere kapena kugwiritsira ntchito kansa ya prostate ndi pamene PSA yapamwamba imakhala pampakati.
Pachifukwa ichi, dokotala akhoza kupatsirana chiopsezo kwa mwamuna yemwe ali ndi peresenti yochepa-yopanda PSA (ndipo motero amakhala ndi chiopsezo chachikulu cha khansara) ndipo amalimbikitsa motsutsana ndi chiopsezo mwa mwamuna yemwe ali ndi peresenti yapamwamba yopanda PSA (pamwamba pa 25 peresenti).
Lingaliro Latsopano
M'mbuyomu, madokotala ankadalira kwambiri mwapadera mlingo wa PSA kuti adziwe momwe mungakhalire ndi kansa ya prostate.
Mofulumira, komabe, zinaonekeratu kuti kugwiritsira ntchito mlingo wa PSA weniweni walephereka m'njira zina zofunika.
Kwa amodzi, amuna ena omwe ali ndi masewera a PSA omwe ali ochepa kapena ochepa amapezeka kuti ali ndi khansara ya prostate. Chachiwiri, amuna ambiri omwe ali ndi mapepala apamwamba kwambiri a PSA alibe khansa ya prostate. M'malo mwake, ali ndi vuto losaopsa kwambiri monga benign prostatic hyperplasia (BPH) .
Kwenikweni, mlingo weniweni wa PSA sumena nkhani yonse nthawi zonse. Madokotala tsopano ayamba kugwiritsa ntchito njira zina za PSA monga kuwerengeka kwa PSA ndi peresenti yopanda PSA kuti apange zisankho zabwino zowopsa kwa khansa ya prostate.
Zotsatira
Saraiya M, Kottiri BJ, Leadbetter S., et al. Chiwerengero cha prostate-specific antigen chomwe chili pakati pa amuna a US, 2001-2002.
Uemura H, Nakamura M, Hasumi H., et al. Mphamvu ya prostate-specific antigen yomwe imayambitsa matenda a khansa ya prostate ikubwereza mobwerezabwereza. Int J Urol. 2004 Jul; 11 (7): 494-500.