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. 2024 Jul;19(3):144-147.
doi: 10.1016/j.joto.2024.07.004. Epub 2024 Oct 19.

Spontaneous Pneumocephalus associated with leptomeningeal glioneuronal tumor in an adult; A rare case report

Mohammad H Shaheen  1 , Syed Raza  2 , Bassam AlZuraiqi  2 , Mohammad Ghazi Abdoh  3 , Essam Saleh  2
Affiliations

Spontaneous Pneumocephalus associated with leptomeningeal glioneuronal tumor in an adult; A rare case report

Mohammad H Shaheen et al. J Otol. 2024 Jul.

Abstract

Objective: To report a rare case of otogenic tension pneumocephalus as a complication of a diffuse leptomeningeal glioneuronal tumor in a patient with a ventriculoperitoneal (V. P.) shunt.

Patients: Twenty-three- year-old man with a confirmed diffuse leptomeningeal glioneuronal tumor diagnosis was treated for temporal bone defect and considerable pneumocephalus one year after V. P. shunt.

Interventions: The patient underwent a Transmastoid, retrolabyrinthine approach. The defect was closed with temporalis facia graft and conchal cartilage as a double-layer closure, and then DuraSeal® was placed over the repaired area.

Main outcome measures: Resolution of the pneumocephalus.

Results: There was a significant reduction in the pneumocephalus on the first day post-operatively.

Conclusions: Spontaneous or secondary pneumocephalus development should be considered in patients with brain tumors, hydrocephalus, and patients who undergo V.P. shunt insertion.

Keywords: Leptomeningeal; Neurotology; Pneumocephalus.

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Conflict of interest statement

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Figures

Fig. 1
Fig. 1
Pure tone audiogram showed moderate Sensorineural hearing loss (SNHL) in the right ear and mild SNHL in the left ear.
Fig. 2
Fig. 2
Axial view of computed tomography scan Shows the temporal bone defect(arrow).
Fig. 3
Fig. 3
Intraoperative view showing the defect.
Fig. 4
Fig. 4
Intraoperative view showing the closure of the defect.
Fig. 5
Fig. 5
Follow-up Axial view of computed tomography scan obtained immediately post operation revealing resolution of the pneumocephalus, the residual air (arrowhead), and the closed defect(arrow).
See this image and copyright information in PMC

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