Publications by authors named "John Karth"

Background: To evaluate visual and safety outcomes for 25-gauge (25G) and 27-gauge (27G) micro-incision vitrectomy platforms (MIVS) for the treatment of epiretinal membrane and full-thickness macular holes.

Methods: Retrospective analysis of all patients who underwent internal limiting membrane (ILM) peel surgery from January 2017 through December 2018. 207 cases met the eligibility criteria for inclusion.

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Background: We report the case of an 81-year-old woman with a history of radial keratotomy 9 years prior who developed endophthalmitis without preceding keratitis 4 days after uneventful photorefractive keratectomy surgery. This case report utilized clinical examination and microbacterial laboratory findings.

Findings: Diagnosis of bacterial endophthalmitis was made via clinical examination and cultured vitreous tap which grew methicillin-resistant Staphylococcus aureus.

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Objectives: To investigate the pathologic, clinical, and genetic features of renal medullary carcinomas (RMCs) in search of clues to their pathogenesis.

Methods: We analyzed 40 RMCs for clinical features, for immunohistochemical expression using a panel of markers, and for genetic changes using comparative genomic hybridization.

Results: Patients presented at 5 to 32 years of age, and 82% were African American.

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