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Tectal plate glioma

Case contributed by Mohamed Morsi
Diagnosis almost certain

Presentation

Vomiting and developed convulsions in ER

Patient Data

Age: 14 years
Gender: Male
ct

Markedly dilated third and lateral ventricles up to the level of aqueduct of Sylvius.

Bulky tectal plate which suggests an underlying obstructive lesion.

Neurosurgeon informed immediately about the findings for urgent intervention.  

mri

Acute obstructive hydrocephalus ( transependymal edema ) with interval placement of a right transparietal VP shunt catheter, tip in the right posterior horn.

Abnormal FLAIR high signal of the tectal plate with bulky appearance on sagittal T1W but no restriction on DWI or enhancement on post-contrast sequences.

Case Discussion

Features are highly suggestive of tectal plate glioma.

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