A rare retrovesical hydatid cyst and value of transrectal ultrasonography in diagnosis: a case report and review of the literature

Emre Unal, Meryem Keles, Sibel Yazgan, Musturay Karcaaltincaba

Abstract


We present a large hydatid cyst located midline and posterior to prostatic gland and seminal vesicles in an asymptomatic patient. Computed tomography (CT) scan revealed a large retrovesical mass and the transrectal ultrasonography idetified a degenerated hydatid cyst with “ball of wool’’ appearance. Although extremely rare, hydatid disease should be kept in mind in the differential diagnosis of pelvic particularly retrovesical midline masses.


Keywords


hydatid cyst; rectovesical pouch; retrovesical; ball of wool sign; transrectal ultrasonography

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DOI: http://dx.doi.org/10.11152/mu-944

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