Lumbar rachischisis associated with diastematomyelia: prenatal diagnosis and fetopathological examination

Mahdi Farhati, Abir Karoui

PAMJ. 2022; 42:146. Published 23 Jun 2022 | doi:10.11604/pamj.2022.42.146.35644

We report the case of a 29-year-old female patient who presented for a routine ultrasound scan at 17 weeks of gestation. Sonography showed, on an axial view of the fetal brain, flattening of the frontal bones resulting in a lemon like deformity of the cephalic pole (A). Biparietal diameter and head circumference were below 3rd percentile (A). The examination of lumbar spine showed vertebral and skin defect on a sagittal view (B). The diagnosis of Chiari II malformation was suspected. An additional midline echogenic focus (B, C (☆)) attracted our attention. Sonography showed widening of the spinal canal in the coronal view (C).
Corresponding author
Mahdi Farhati, Obstetrics and Gynecology Department “C”, Tunis Maternity and Neonatology Center, Tunis, Tunisia (

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