Lamina papyracea dehiscence

Case contributed by Dr Shailaja Muniraju

Presentation

Chronic headache.

Patient Data

Age: 50 years
Gender: Male
Modality: CT

There is dehiscence of right medial lamina papyracae with prolapse of orbital fat into its ipsilateral ethmoid sinus. Posterior limit - basal lamella. Anterior limit  - bulla lamella.

No extraocular muscle entrapment.

Left orbit showed normal CT imaging features.

Other findings: Right trochlear apparatus calcification. Aerated left nasolacrimal duct. Left sphenoid sinus sessile polyp. DNS towards right with small bony spur.

Case Discussion

Right sided lamina papyracea dehiscence with resultant orbital fat prolapse. No extraocular muscle entrapment. Left orbit showed no significant abnormality.

In the absence of a history of trauma, this abnormality is presumably congenital 1

Special thanks: Dr. Madan Mohan Babu.

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Case Information

rID: 48734
Case created: 21st Oct 2016
Last edited: 14th May 2017
System: Head & Neck
Inclusion in quiz mode: Included

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