case_images: PMC5863329_01
case_images: Ultrasonographic findings of the fetus at 14 weeks of gestation. A fetal intra-abdominal cyst (34 x 24 mm in size) and oligohydramnios are observed.
case_images: CRIOG2018-7513287.001.jpg
case_images: PMC5863329_01_CRIOG2018-7513287.001.jpg
case_images: fig1
case_images: She underwent ultrasonography on admission, and a fetal abdominal cyst with a size of 34 x 24 mm and oligohydramnios were found (Figure 1).
case_images: Sirenomelia with fused lower limbs and a bulging abdomen.
case_images: CRIOG2018-7513287.002.jpg
case_images: PMC5863329_01_CRIOG2018-7513287.002.jpg
case_images: fig2
case_images: The fetus showed fused lower limbs, a bulging abdomen, and absent external genitalia (Figure 2).
case_images: Sections of the specimen of the fetal abdominal cyst and histologic findings (hematoxylin and eosin staining, x40).
case_images: CRIOG2018-7513287.003.jpg
case_images: PMC5863329_01_CRIOG2018-7513287.003.jpg
case_images: fig3
case_images: Histopathological examination revealed that the cyst comprised small intestine epithelium in the anterior region and bladder epithelium and urothelium in the posterior, which turned out to be a saccular cloaca (Figure 3).