BMJ Case Reports 2016; doi:10.1136/bcr-2016-215812

Atretic parietal encephalocoele

  1. Carla Conceição3
  1. 1Hospital Dona Estefânia, Centro Hospitalar Lisboa Central, Lisboa, Portugal
  2. 2Department of Neonatal Intensive Care, Maternidade Dr Alfredo da Costa, Lisboa, Portugal
  3. 3Hospital Dona Estefania, Lisboa, Portugal
  1. Correspondence to Dr Susana Franco Santos, susana.franco.santos85{at}
  • Accepted 19 June 2016
  • Published 30 June 2016


A midline posterior parietal cystic structure—2×2 cm—was diagnosed in a routine 22-week ultrasonographic scan. It did not appear to have communication through parietal bone or with sutures of the brain compartment. In the 24th week, an MRI was performed, which confirmed the presence of a small subcutaneous formation in the medial line of the parieto-occipital transition, which did not seem to have macroscopic continuity with the cranial compartment. All brain structures were normal, except for vertical embryonic positioning of the straight sinus, so atretic parietal encephalocoele was suspected (figure 1).

Figure 1

Subcutaneous formation in the medial line of the parieto-occipital.

Maternal history: …

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