PRIMARY HYDATID CYST OF SIGMOID MESOCOLON; CASE REPORT. Sigmoid kolonun primer hidatik kisti; Olgu sunumu.

ABSTRACT The incidence of primary peritoneal echinococcosis to rare, and has been reported to occur in 2% of the all abdominal hydatid disease cases. Though the mechanism of primary peritoneal infestation is still not clear, dissemination via lymphatic or systemic circulation has been implicated. Clinical presentations vary with the site and size of cyst and usually result from complications due to mass effect of the enlarging abdominal cyst. CT scan is the imaging modality of choice for peritoneal disease. Total pericystectomy where possible, is the treatment of choice. We present an extremely rare primary peritoneal hydatid cyst of sigmoid mesocolon. OZET Primer peritoneal kisthidatikler nadiren gorulurler ve butun abdominal kisthidatiklerin %2’sini olustururlar. Primer abdominal kisthidatiklerin olus mekanizmasi henuz netlike kazanmamis olmakla beraber, lenfatik veya kan yoluyla ortaya ciktigi sanilmaktadir. Klinik belirtiler siklikla degisken olup, kistin yerine ve buyuklugune bagli olarak cevresine yaptigi basiya bagli olarak ortaya cikan belirtilerle kendini gosterir. Bilgisayarli tomografi halen en uygun tani aracidir. Mumkun olan durumlarda perikistektomi secilecek tedavi yontemdir. Burada sigmoid kolon mezosunda yerlesim gosteren nadir bir primer kisthidatik olgusu sunulmustur.