Findings :
Herniation of the portion of brain (Cerebellum) through a defect in
Occipital bone at mid line.
Diagnosis : Occipital Encephalocele.
Discussion :
Incidence of Encephalocele
is 1 in 2500 births.75% occurs as mid line
defect in occipital bone. Bony defect is thought to be related to
abnormal neural
tube closure. Size of Encephalocele is variable. May associated
with Hydrocephaly.
Encephalocele is associated with agenesis of Corpus Callosum and with
Meckel-gruber
syndrome, an autosomal recessive condition that also characterized by
polydactyly &
polycystic kidneys.
Reference : RCNA VOL.28 1990
Diagnostic ultrasound by Carol M. Rumack, St.R.Wilson, J.William Charboneau
Submitted by: Dr.M.Adinarayana Rao
M . D.
