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2012-11-10-14 Isolated septo-optic dysplasia © Jayprakash Shah www.TheFetus.net


Isolated septo-optic dysplasia



Rajni Fetal Medicine center, Ahmedabad, India

Case report:

Mrs ABC, Age 20, Primigravida, non-consanguine marriage, married for 2 years
Her first trimester scan at 14 weeks was normal.
At 21 weeks, she was referred for relative oligoamnios.
Following images were recorded:

Figure 1: Transthalamic view – Absent cavum septi pellucidi , central falx line present & intact, bilateral symmetry, no other cerebral abnormality. Midline-connected frontal horn noted. 



Figure 2: Transventricle view – Absent cavum septi pellucidi, central falx line present & intact, bilateral symmetry, no other cerebral abnormality. Midline connected frontal horn noted. 



Figure 3: Transcerebellar view – showing normal posterior fossa



Figure 4: Biometry of long bones appear normal.



Figure 5: Situs solitus confirmed with breech presentation



Figure 6: Outflow tracts of heart appear normal.


 
Figure 7: 3-vessel view appears normal.



Both kidneys & spine were normal
No other associated malformations
Both eye balls were normal, no hyper / hypotelorism
Movie confirms the cranial findings




Diagnosis of Isolated septo-optic dysplasia was made.

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