Normal vs. Ethmoid Sinus and Ocular Muscle Injury

SKU: C06010

This exhibit compares the pre-op and post-op conditions of the right ethmoid sinus and ocular muscles. Normal anatomy is seen in the pre-op condition coronal CT scan and corresponding illustration. A wrongful diagnosis of acute sinusitis was made, leading to unnecessary ethmoid sinus removal surgery. During the procedure, the medial wall of the right orbit was fractured, transecting the right medial rectus muscle of the eye, and injuring the inferior rectus muscle. Resulting post-operative deficits include outward drifting of the right eye due to muscle damage and fluid buildup within the ethmoid sinuses secondary to orbital wall fractures.

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