Fetal brain tumors

Last revised by Laura Meeker on 24 Nov 2021

Fetal brain tumors are uncommon and tends to have very different pathological spectrum than that observed in adults; in order of decreasing frequency:

Many present late in pregnancy (i.e in the 3rd trimester 1).

Ultrasound has only a limited role in diagnosing the specific histological sub-type but has overall high detection rate 6. Generally speaking, many fetal intracranial tumors have the following sonographic features:

Additional features include:

While prognosis for individual lesion can somewhat vary, intracranial tumors in general carry a poor prognosis in fetal population.

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