The coronal CT face image shows ‘tear drop sign’.
There is a left orbital floor fracture displaced inferiorly together with inferior rectus muscle.
The orbital blowout fracture is a s a result of direct impact to the orbit. Patient may present with bruising/swelling around the affected eye, visual disturbance, double vision, altered sensation on the cheek.
Clinical signs to assess for –
- Periorbital swelling/bruising.
- Diplopia of vertical gaze due to inferior rectus herniation.
- Hypoglobus (lowered pupillary line)
- Enophthalmos due to ptosis of orbital contents into maxillary antrum.
- Parasthesia in the distribution of infraorbital nerve.
- Visual acuity & pupillary assessment (traumatic optic neuropathy)
The above patient was referred to the specialist and underwent surgical management.
Reference: www.emedicine.medscape.com/orbital floor fractures