case_images: PMC4890296_01
case_images: Anterior view of perineum and lower limbs.. Hypoplastic external genitals in detail.
case_images: f1000research-5-9672-g0000.jpg
case_images: PMC4890296_01_f1000research-5-9672-g0000.jpg
case_images: f1
case_images: The right leg was shorter than the left ( Figure 1).
case_images: Posterior view showing perineal mass with central orifice in detail (
  A). Lateral view (
  B), and perspective (
  C).
case_images: f1000research-5-9672-g0001.jpg
case_images: PMC4890296_01_f1000research-5-9672-g0001.jpg
case_images: f2
case_images: The corrugated skin of the prune-like mass could be easily lifted, disclosing, through its orifice, a large cavity below that contained urine ( Figure 2).
case_images: Nuclear magnetic resonance demonstrating exaggerated saccrococcygeal convexity (
  A); crossing ectopic right kidney and a intestinal malrotation (
  B); absence of pubic bone, and the corrugated skin covering the posterior perineal cavity (
  C).
case_images: f1000research-5-9672-g0002.jpg
case_images: PMC4890296_01_f1000research-5-9672-g0002.jpg
case_images: f3
case_images: The posterior concavity of sacrococcygeal bones, associated to a deformity of the pelvic rim was evident, as well as the cavity below the convoluted skin and subcutaneous layer of the perineal mass ( Figure 3).