Orbital pseudotumor

Injury	Disease	Nutrition	Poison

Symptoms	Surgery	Test	Special Topic

Skull anatomy

Overview

Symptoms

Treatment

Prevention

Orbital pseudotumor

Definition:

The orbit is the bony pyramid-shaped cavity of the skull that contains and protects the eyeball and associated structures. Orbital pseudotumor is a swelling of the orbital tissues behind the eye, but unlike cancerous tumors, it cannot invade tissues or spread elsewhere.

Alternative Names:

Idiopathic orbital inflamatory syndrome (IOIS)

Causes, incidence, and risk factors:

The cause is unknown. No risk factors are known.

Review Date: 7/24/2004
Reviewed By: Edward B. Feinberg, MD, MPH, Professor and Chair, Department of Ophthalmology, Boston University School of Medicine, Boston, MA. Review provided by VeriMed Healthcare Network.

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