- Superior limbic keratoconjunctivitis (SLK) is an inflammatory condition of the superior bulbar conjunctiva, tarsal conjunctiva, and upper cornea of unknown etiology. The pathogenesis of SLK is unclear, although it has been linked to mechanical microtrauma, deficiencies in tear film quality, and immunologic dysregulation.1
- Carotid cavernous fistula (CCF) is a rare traumatic complication that can occur following iatrogenic interventions.1 We report a case of direct CCF (type A) developing following partial maxillectomy with the Le Fort I approach. This case report adheres to the ethical principles outlined in the Declaration of Helsinki as amended in 2013.
- Lacrimal gland pleomorphic adenoma (LGPA) is a common benign epithelial tumour of the lacrimal gland that frequently appears on imaging as a well-circumscribed lesion with no bony erosion.1 In some cases, it can present with atypical radiologic features and then needs to be correlated with histopathologic findings to ascertain a diagnosis.
- Adult orbital xanthogranulomatous disease is a rare non-Langerhans cell histiocytic condition with 4 clinical subtypes: adult‐onset xanthogranuloma, adult‐onset asthma with periocular xanthogranuloma, necrobiotic xanthogranuloma (NBX), and Erdheim–Chester disease (ECD). We report, to our knowledge, the first case of ECD with limbal infiltration.
- Necrotizing fasciitis (NF) of the periorbital region is a rare occurrence, though has been shown to cause severe facial disfigurement, blindness, and death.1,2 We report a case of community-acquired methicillin-resistant Staphylococcus aureus (MRSA)–associated periorbital NF in a 25-year-old woman, who presented with left eye and nostril redness and swelling after picking a pimple on her nose a few days prior. She had no significant medical history and was not diabetic. She was initially diagnosed with facial cellulitis and commenced on antibiotics, but returned 2 days later with worsening cellulitis, bilateral leg pain and redness, and shortness of breath.
- Granulomatosis with polyangiitis (GPA) is a multisystemic, antineutrophil cytoplasmic antibody (ANCA)–associated small vessel vasculitis. The orbit and ocular tissues are implicated in approximately a third of cases.1 Common manifestations are conjunctivitis, episcleritis, orbital inflammation, and uveitis.1
- We report a case of subperiosteal orbital hemorrhage secondary to sinusitis resulting in visual loss. A 74-year-old male presented to a rural emergency department with a less than 12-hour history of right-sided peri-orbital swelling and subsequent loss of vision in the eye. He had been generally unwell for 2 days before presentation with neck pain and frontal headache. Medical history included Parkinson's disease and his medications included Aspirin.
- Amyloidosis is a heterogeneous collection of conditions that presents with variable organ dysfunction due to extracellular aggregation of abnormally folded proteins. Systemic light chain amyloidosis is an uncommon disease, and involvement of orbital structures is particularly rare. We present a case of chronic dacryoadenitis in which λ light chain amyloid deposition was detected in the lacrimal gland 6 months after a nonspecific biopsy.
- Sino-orbital aspergillosis is an uncommon condition that occurs when infection of the paranasal sinuses extends into the orbit. Infection most frequently originates from the maxillary sinus, followed by the ethmoid and sphenoid sinuses. The frontal sinus is rarely involved, and is largely infected secondary to adjacent sinuses. Isolated aspergillosis of the frontal sinus is extremely uncommon, with approximately 30 cases reported in the literature.1–3 Here, we present a case of invasive sino-orbital aspergillosis arising from isolated frontal sinus infection in an immunocompromised patient.