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Suboccipital pseudomeningocele

An “internal” CSF fistula. Incidence following suboccipital craniectomy: 26-28% 1).

May be asymptomatic, but also may be associated with H/A, nausea/vomiting, local pain/tenderness. Some are soft and compressible, others may be tense. Indications for operation:

1. external leak (CSF fistula)

2. threatening integrity of incision

3. cosmetic deformity

4. causing symptoms

Treatment

Suboccipital pseudomeningocele treatment.

Suboccipital Pseudomeningocele after posterior fossa decompression for Chiari type 1 deformity

see Suboccipital Pseudomeningocele after posterior fossa decompression for Chiari type 1 deformity.

1)
Roland PS, Marple BF, Meyerhoff WL, et al. Complications of lumbar spinal fluid drainage. Otolaryngol Head Neck Surg. 1992; 107:564–569