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1.
Cureus ; 13(7): e16275, 2021 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-34373823

RESUMO

Orbital metastasis from renal cell carcinoma (RCC) is uncommon. Orbital tumor, as the first presentation of RCC, is rare as the majority of orbital metastases occur after a confirmed diagnosis of primary cancer. We report a case of the metastatic orbital tumor as the first manifestation of RCC, which presented with painless left eye proptosis for two months' duration, associated with blurring of vision and diplopia. Otherwise, the systemic review was unremarkable. Examination showed left eye non-axial proptosis with a pulsatile, multilobulated mass over the left supraorbital area extending to the left frontal region, limited ocular motility, and impaired optic nerve functions. CT of the orbit showed a mass arising from the left frontal and greater wing of the left sphenoid bone, with infiltration to the left lateral rectus, left superior oblique, and lacrimal gland. Further systemic investigation with CT thorax, abdomen, and pelvis revealed left RCC with para-aortic nodes, lungs, and bone metastases. The patient was planned for palliative care.

2.
Cureus ; 13(2): e13320, 2021 Feb 12.
Artigo em Inglês | MEDLINE | ID: mdl-33738163

RESUMO

The hazy corneal donor-recipient interface after corneal transplant may cause difficulties when implanting the XEN gel stent via ab-interno approach. We aim to describe XEN gel stent implantation via ab-externo approach in refractory steroid-induced glaucoma after corneal lamellar keratoplasty. Under local anaesthesia, the XEN injector needle was inserted 7 mm behind the limbus with the bevel facing up, directly beneath the conjunctiva and advanced to the marked 2.5 mm scleral entry wound. The needle then pierced the sclera until the needle tip was just visible in the anterior chamber (AC). The slider was pushed until the tip of the XEN stent was seen in the AC. The needle was slowly withdrawn while still pushing the slider to complete stent deployment. Subconjunctival Mitomycin C 0.01% (30 µg/0.3 mL) was then injected posterior to the bleb. Three eyes of three patients with steroid-induced glaucoma after lamellar keratoplasty underwent XEN gel stent implantation via ab-externo approach placed at the superotemporal quadrant. Pre-operatively, all patients had uncontrolled IOP between 30-45 mmHg despite maximum medications and selective laser trabeculoplasty. After XEN gel stent implantation, IOP ranged between 10-17 mmHg with one or two topical antiglaucoma at 12 months. Complications include hypotony maculopathy, stent migration and hyphaema, all of which were successfully managed. Corneal graft remained clear at 12 months. XEN gel stent implantation via ab-externo approach is able to achieve good intraocular pressure (IOP) control without compromising cornea graft in patients with steroid-induced glaucoma after lamellar keratoplasty at 12 months.

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