Yunanistan\u2019da ya\u015fayan 58 ya\u015f\u0131ndaki bir kad\u0131n\u0131n ya\u015fad\u0131\u011f\u0131 sa\u011fl\u0131k sorunu, t\u0131p d\u00fcnyas\u0131nda ezber bozan bir ke\u015ffe yol a\u00e7t\u0131. Haftalarca y\u00fcz b\u00f6lgesinde yo\u011fun a\u011fr\u0131 \u015fikayeti \u00e7eken talihsiz kad\u0131n, \u015fiddetli bir hap\u015f\u0131r\u0131k s\u0131ras\u0131nda burnundan canl\u0131 kurt\u00e7uklar d\u00f6k\u00fcld\u00fc\u011f\u00fcn\u00fc fark edince hastaneye ba\u015fvurdu.<\/p>\n\n\n\n
Hastanede kulak burun bo\u011faz uzmanlar\u0131 taraf\u0131ndan ger\u00e7ekle\u015ftirilen operasyon s\u0131ras\u0131nda, hastan\u0131n maksiller sin\u00fcslerinden 10 canl\u0131 larva ile 1 pupa \u00e7\u0131kar\u0131ld\u0131.<\/p>\n\n\n\n
Uzmanlar\u0131n yapt\u0131\u011f\u0131 incelemede, parazitlerin boylar\u0131n\u0131n yakla\u015f\u0131k 15 ila 20 milimetre aras\u0131nda de\u011fi\u015fti\u011fi tespit edildi. Ayr\u0131ca baz\u0131 larvalar\u0131n geli\u015fim s\u00fcrecinin ileri a\u015famas\u0131nda oldu\u011fu ve k\u0131sa s\u00fcre i\u00e7inde pupaya d\u00f6n\u00fc\u015febilecek durumda bulundu\u011fu belirtildi.<\/p>\n\n\n\n
Yap\u0131lan DNA incelemeleri, \u00e7\u0131kar\u0131lan organizmalar\u0131n normalde koyun ve ke\u00e7ilerin burun bo\u015flu\u011funda parazit olarak ya\u015fayan Oestrus ovis, yani halk aras\u0131nda bilinen ad\u0131yla koyun sine\u011fi larvalar\u0131<\/strong> oldu\u011funu do\u011frulad\u0131.<\/p>\n\n\n\n Uzmanlar, a\u00e7\u0131k alanda \u00e7al\u0131\u015fan kad\u0131n\u0131n g\u00f6rev yapt\u0131\u011f\u0131 b\u00f6lgenin hemen yak\u0131n\u0131nda bir koyun otla\u011f\u0131n\u0131n bulunmas\u0131n\u0131n bula\u015fma kayna\u011f\u0131n\u0131 b\u00fcy\u00fck \u00f6l\u00e7\u00fcde a\u00e7\u0131klad\u0131\u011f\u0131n\u0131 belirtti. B\u00f6ylece parazitin hayvanlardan insana \u00e7evresel temas yoluyla ge\u00e7ti\u011fi de\u011ferlendirildi.<\/p>\n\n\n\n Bu nadir vaka, The New England Journal of Medicine\u2019de yay\u0131mlanarak d\u00fcnya t\u0131p literat\u00fcr\u00fcne girdi. Vakan\u0131n dikkat \u00e7ekici y\u00f6n\u00fc, larvalar\u0131n insan sin\u00fcs\u00fcnde \u201cpupasyon\u201d (geli\u015fim evresi)<\/strong> a\u015famas\u0131na ula\u015fabilmi\u015f olmas\u0131yd\u0131. \u00d6nceki bilimsel d\u00fc\u015f\u00fcnceye g\u00f6re, bu t\u00fcr parazitler memeli sin\u00fcslerinde bu a\u015famaya eri\u015femezdi.<\/p>\n\n\n\n Uzmanlar, hastan\u0131n burun k\u0131k\u0131rda\u011f\u0131ndaki belirgin e\u011frili\u011fin (deviasyon) larvalar\u0131n burundan \u00e7\u0131kmas\u0131n\u0131 engellemi\u015f olabilece\u011fini ve bu anatomik engelin parazite geli\u015fim s\u00fcresi tan\u0131m\u0131\u015f olabilece\u011fini belirtiyor. \u00d6te yandan baz\u0131 bilim insanlar\u0131, bu durumun parazit t\u00fcr\u00fcn\u00fcn insan v\u00fccudunda ya\u015fam d\u00f6ng\u00fcs\u00fcn\u00fc tamamlamaya y\u00f6nelik potansiyel evrimsel bir adaptasyon<\/strong> g\u00f6stergesi olabilece\u011fini de de\u011ferlendiriyor.<\/p>\n\n\n\nT\u0131p Literat\u00fcr\u00fcnde S\u0131ra D\u0131\u015f\u0131 Vaka: \u0130nsan V\u00fccudunda Larva Geli\u015fimi<\/strong><\/h3>\n\n\n\n
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