orbital floor fracture with entrapment
Superior orbital fissure or orbital apex syndromes. An orbital floor fracture is a break in the orbital floor.
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The presence of the oculocardiac reflex.
. This injury is common in the pediatric patient whose orbital floor is more apt to greenstick rather than down-fracture and then bounce. We reviewed the clinical radiographic and intraoperative findings of 45 cas. The case illustrates the non-contrast MDCT features of orbital floor blow-out fracture and inferior rectus muscle entrapment within the fracture gap.
This condition is caused by a hit to the eye. One of the major complications of orbital floor fracture is entrapment and dysfunction of the inferior rectus muscle and as a result upward gaze limitation of the affected eye. What is Orbital Floor Fracture Without Entrapment.
It is a linear fracture that inferiorly displaces and then recoils back to near-anatomic position. It separates the eye from a sinus. Correct CT radiographic interpretation of entrapped fractures can be subtle and thus missed.
Orbital floor fractures may be managed non-operatively if they are small and do not result in functional impairment of the eye. Or ocular hypertension caused by decreased orbital. Surgical findings included a nondisplaced linear floor fracture with muscle entrapment.
What are the causes. Correct CT radiographic interpretation of entrapped fractures can be subtle and thus missed. The bottom of the orbit is called the orbital floor.
Indirect orbital fractures will only need surgery if another part of the eye has become trapped in the break or if more than 50 of the floor is. Acute indications within 24 hours for repair are ocular entrapment. Orbital floor fractures OFF with entrapment require prompt clinical and radiographic recognition for timely surgical correction.
The positive predictive value of nauseavomiting with a trapdoor fracture for entrapment was 833 P 0002 Fisher exact test. The most commonly entrapped material following a blowout fracture is orbital fat this alone may lead to decreased up gaze if the orbital floor is involved. Orbital fat prolapses into the maxillary sinus and may be joined by prolapse of the inferior rectus muscle.
Most fractures occur in the floor posterior and medial to the infraorbital groove 2. Orbital floor fractures OFF with entrapment require prompt clinical and radiographic recognition for timely surgical correction. The most common muscle to be entrapped by the fracture is the inferior rectus muscle.
In the 3 patients with concurrent orbital rim fractures the area of depression and entrapment in the orbital floor was in the anterior part of the orbital floor. With this movement there is concern for entrapment of orbital fat and inferior rectus muscle resulting in ischemia restriction of ocular movement and visual disturbance Hacking. Correct CT radiographic interpretation of entrapped fractures can be subtle and thus missed.
The orbit also called the eye socket is a bony structure that protects the eye. Orbital floor fractures OFF with entrapment require prompt clinical and radiographic recognition for timely surgical correction. Following the reduction of the orbital rim fracture the titanium mesh was used to stabilize the reduced orbital rim using 15 mm self-tapping screws and to support the depression.
The ophthalmologist based on clinical examination and observation of the CT images correctly identified findings consistent with linear orbital fracture with muscle entrapment in every case. In children the fracture may spring back into place see trapdoor fracture. A trap door fracture is a sub-type of the orbital floor fracture.
Blow-out fracture of the orbital floor and significant entrapment of inferior rectus muscle Case contributed by Dr Shervin Sharifkashani Diagnosis certain Share Add to Citation DOI case data Presentation Collision of an hard object to right side of the face and sudden right lower lid swelling and limitation of motion of the eye in upward gaze. An orbital floor fracture with entrapment is a break in the orbital floor that allows nearby muscle tissue or both to get trapped inside of the fracture. The most common indication for emergent repair of an orbital floor fracture is extraocular muscle entrapment.
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