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Complete ocular paresis in a child with posterior fossa syndrome
Maryam Afshar1, Michael Link, Michael S B Edwards
1Department of Pediatrics, Children's Hospital Oakland, Oakland, Calif., USA.
Insights
Posterior fossa syndrome (PFS) can cause emotional and speech changes after cerebellar surgery. This case highlights complete ocular paresis as a rare but serious complication of PFS in a pediatric medulloblastoma patient.
Area of Science:
- Neuroscience
- Pediatric Oncology
- Ophthalmology
Background:
- Posterior fossa syndrome (PFS), or cerebellar affective syndrome, is a known post-surgical complication affecting the cerebellum.
- PFS typically manifests as emotional lability and reduced speech production.
- Oculomotor dysfunction is an infrequently reported symptom of PFS.
Observation:
- An 11-year-old male diagnosed with medulloblastoma underwent surgical resection.
- Following surgery, the patient developed symptoms consistent with Posterior Fossa Syndrome.
- The patient presented with a rare and severe manifestation of complete ocular paresis.
Findings:
- The case demonstrates a direct association between Posterior Fossa Syndrome and complete ocular paresis.
- This presentation is unusual, as oculomotor deficits are rarely described in PFS.
- Medulloblastoma resection in pediatric patients can lead to complex neurological sequelae.
Implications:
- This case expands the known spectrum of neurological deficits associated with Posterior Fossa Syndrome.
- It underscores the importance of vigilant ophthalmological monitoring in pediatric patients post-cerebellar surgery.
- Further research is needed to understand the mechanisms linking cerebellar injury to oculomotor nerve dysfunction.
Abstract:
Posterior fossa syndrome (PFS), also known as cerebellar affective syndrome, is characterized by emotional lability and decreased speech production following injury or surgery to the cerebellum. Rarely, oculomotor dysfunction has been described in association with PFS. Here, we report a case of complete ocular paresis associated with PFS in an 11-year-old male following medulloblastoma resection.

