Intraosseous arachnoid granulations

Presentation

Non-Hodgkins lymphoma with CNS involvement subjected to bone marrow transplantation

Patient Data

Age: 60 years old
Gender: Male
Modality: CT

Occipital bone lytic areas are noted likely representing intraosseous arachnoid granulation

Modality: MRI

The described areas at the occipital bone in CT followed CSF signal intensity on MRI sequences. 

Case Discussion

Prominent arachnoid granulations are an anatomical variant that could be mistaken as skull pathology.

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Case Information

rID: 50796
Case created: 22nd Jan 2017
Last edited: 27th Jan 2017
Inclusion in quiz mode: Excluded

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