Hemorrhage in the cavum septi pellucidi: Description of a newborn with macrocrania

The Cavum Septi Pellucidi represent the normal transitional finding from 24 to 36 weeks post-conceptional age in prenatal ultrasonography. Usually it closes between the second and sixth month of life. Haemorrhage of CSP is a rare entity. Only two cases of hemorrhage in the abnormal dilated CSP have been previously reported in full term neonate. We describe a case of Cavum Septi Pellucidi and lateral ventricles haemorrhage associated with familiar macrocrania, in a full term neonate. Our baby was discharge at hospital a 16 days of life in good clinical conditions and the MRI at 3.5 months of life showed improvement brain anatomy.