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Is Blakes Pouch Cyst?

Sophia Al-Mansoor • • 7 min read
Is Blakes Pouch Cyst?

Blake's pouch cyst, sometimes called Blake's pouch or persistent Blake's pouch, is a cystic structure of the posterior fossa

posterior fossa
The posterior cranial fossa is part of the cranial cavity, located between the foramen magnum and tentorium cerebelli. It contains the brainstem and cerebellum. ... It houses the cerebellum, medulla and pons. Anteriorly it extends to the apex of the petrous temporal. Posteriorly it is enclosed by the occipital bone.
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representing an outpouching of the fourth ventricle into the area of the cisterna magna.

What is a Blakes cyst?

Blake's pouch cyst is a posterior fossa cystic malformation characterized by a infracerebellar cyst, absence of communication between the fourth ventricle and the subarachnoid space, and tetraventricular hydrocephalus.

What is Blakes pouch?

Blake's pouch, also known as the rudimental fourth ventricular tela choroidea, is a normal transient structure that regresses during embryological development, usually by 12 weeks' gestation, when it starts fenestrating to form the foramen of Magendie (which forms up to the fourth month of gestation).

Sophia Al-Mansoor
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Sophia Al-Mansoor

Sophia analyzes international trade, startup ecosystems, retail transformation, and supply chain logistics for modern digital publications.