You searched for "orbital"

1713 results found

Computerised tomography in ocular trauma patients

Ocular trauma can be common in military settings. This retrospective study looked into the relationship between the clinical effects of acute ocular and orbital blast trauma with the findings on computerised tomography (CT). This was a consecutive case series of...

Wide variation in the volume of the sphenoid trigone

This is a radiological study of the volume of the sphenoid trigone in normal subjects. The authors were interested to see how much volume could be gained by removal of the trigone during an orbital decompression for thyroid eye disease....

Computer-assisted surgery in the orbit

In this paper the authors describe the growing use of computer-assisted surgery in ophthalmology. It is already described as a powerful adjunct in neurosurgery and sinus surgery and here they describe their experience of using it for the orbit; specifically...

Globe subluxation subsequent to long-term steroids

Globe subluxation, when the globe equator projects anterior to the orbital rim, is a serious orbital condition commonly associated with thyroid eye disease, floppy eye syndrome or a shallow orbit. The authors present a first case of a spontaneous globe...

Inverted papilloma

This is a retrospective review of 22 patients with inverted papilloma, including nine cases confined to the nasolacrimal system and 13 involving into the orbit. This is a rare disease and the report is the largest published series of periocular...

Carcinoid tumours

This is a retrospective review of 28 patients with carcinoid tumours affecting the orbit. The mean age at presentation of the orbital involvement was 62 years, with a slight female preponderance, and 21% had carcinoid syndrome. Proptosis and diplopia were...

PD-1 and PD-L1 in exenteration specimens

This is an immunohistochemical study looking at variation in the expression of the programmed death-1 receptor (PD-1) and the programmed cell death ligand-1 (PD-L1), comparing cutaneous malignancies which invaded the orbit with uncomplicated nodular basal cell carcinomas. The authors retrospectively...

Upper eyelid ulceration as a presenting sign of frontal sinus mucocele

Introduction A sinus mucocele is an epithelium-lined sac filled with mucus and desquamated epithelium. It forms secondary to inflammatory processes that occur in a sinus with an obstructed ostium. Predisposing conditions include previous trauma, surgery, tumours, anatomical abnormalities, and chronic...

Subperiosteal abscess management in adolescents and adults

This is a retrospective study looking at the clinical and treatment profiles of patients with orbital subperiosteal abscess (SPA) in an adolescent and adult population. SPA is rarer in this age group compared to a paediatric population (less than nine-years-old)...

Recurrent unilateral preseptal cellulitis secondary to herpes simplex virus infection

Introduction Periorbital (sometimes called preseptal cellulitis) is a common condition which on its own is not normally an ophthalmic or surgical emergency, however it has the potential to cause severe and serious morbidity in cases where the infection has crossed...

Cavernous sinus syndrome

Anatomically the cavernous sinus is a plexus of multiple veins that are connected and within this plexus there are several important vascular and neurological structures. These include cranial nerves III, IV, V1 (and sometimes V2), VI as well as the...

Management of large hypertropia due to lost inferior rectus

This case report outlines the management strategy for a 37-year-old male who suffered a penetrating left orbital injury with rupture of the inferior rectus muscle, optic nerve avulsion and vertical deviation of about 90PD. On orbit exploration, the inferior rectus...