Absent septum pellucidum

Discussion:

This case illustrates an absent septum pellucidum and a minimally complicated pineal cyst (measuring more than 10 mm and showing some internal septa) that compress the tectal plate and narrows the cerebral aqueduct. There is no evidence of other cerebral malformation associated with the absent septum pellucidum. 

As the patient is asymptomatic and all those findings were incidentally found, an MRI follow-up was proposed for surveillance of the pineal cyst. 

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