case_images: PMC2929688_01
case_images: The MR images show the characteristic hydatid cyst in the retrovesical space, adherent to the sigmoid colon.
case_images: CRM2010-714106.001.jpg
case_images: PMC2929688_01_CRM2010-714106.001.jpg
case_images: fig1
case_images: In the preoperative planning, we decided to perform a magnetic resonance scan in order to study the relation of the cyst with contiguous organs (Figures 1(a) and 1(b)), and it was found to be posterior to the bladder and strictly adherent to the sigmoid colon.
case_images: Surgical specimen.
case_images: CRM2010-714106.002.jpg
case_images: PMC2929688_01_CRM2010-714106.002.jpg
case_images: fig2
case_images: At laparotomy, the cyst was resected out "en bloc" with the sigmoid colon (Figures 2(a), 2(b), and 2(c)).
case_images: Microscopy findings.
case_images: CRM2010-714106.003.jpg
case_images: PMC2929688_01_CRM2010-714106.003.jpg
case_images: fig3
case_images: The histological examination confirmed the diagnosis (Figure 3).