Orbital floor blow-out fracture on infraorbital foramen

Case contributed by Dr Shervin Sharifkashani

Presentation

Facial trauma and right eye upward gaze dysfunction, and hypoesthesia of the cheek.

Patient Data

Age: 20 years
Gender: Male

Right orbital floor blow-out fracture on the infraorbital foramen and anterior nasal sidewall of the maxillary sinus with partially penetrated fractured bones within inferior oblique muscle and tendon and thick mucosa on the related roof of the maxillary sinus. Preseptal and lacrimal gland soft tissue swelling and exodeviation of the eye are also noted. Foci of thick mucosa on the other paranasal sinuses are also noted.

Case Discussion

The case indicates the occurrence of orbital floor blow-out fracture on infraorbital foramen and partially penetrated fractured bones within the related inferior oblique muscle and tendon have led to the cheek hypoesthesia and the muscle dysfunction respectively. the main treatment of the hypoesthesia is surgical decompression of the infraorbital nerve but has variable outcome.1,2

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