Great imitator — ocular syphilis

We examined a 44-year-old woman without any known systemic disease with a decreased vision of a month duration in her left eye. She had undergone left uneventful cataract surgery with intraocular lens implantation elsewhere 14 years ago. On examination, her Snellen visual acuity was 1.0 (with the correction of –0.50–0.25 × 120) in the right eye and 0.4 (with the correction of +0.75–2.25 × 115) in the left. There was left hypochromic heterochromia. While the right anterior segment was unremarkable, there were small to medium-sized keratic precipitates, 3+ anterior chamber cells, a posterior chamber intraocular lens with an intact posterior capsule, and a few vitreous cells in the left eye. Fundus autofluorescence imaging revealed peripapillary hyperautofluorescence in the left eye, and fluorescein angiography revealed a marked optic nerve head and perivascular leakage at the posterior pole. The findings were not compatible with Fuchs uveitis, so the full infectious panel was worked out. Serologic investigations yielded the presence of syphilis, and the patient was treated successfully with systemic antibiotics. Our case demonstrates the mimicking nature of ocular syphilis and the importance of high clinical suspicion when reaching the correct diagnosis

Intraretinal hyperreflective line: potential biomarker in various retinal disorders

Background: The intraretinal hyperreflective line (IHL) is a novel posterior segment finding demonstrable using careful optical coherence tomography (OCT) examination. It likely indicates a reaction against photoreceptor, Muller cell, and/or retinal pigment epithelial damage. This study analyzed the spectral-domain OCT characteristics of IHLs to disclose their presence in various retinal conditions. Methods: A retrospective review of the charted and imaging records of participants with IHL was conducted at Dokuz Eylul University Department of Ophthalmology between January 2019 and August 2023. The inclusion criterion was the detection of an IHL on good-quality B-scan spectral-domain OCT. An IHL was defined as a vertical line extending from the ellipsoid zone band (or lower) through the outer nuclear layer to the internal limiting membrane in the central fovea. Associated retinal conditions were recorded as potential causative factors for the presence of IHL. Results: IHL was observed on spectral-domain OCT in 40 eyes of 38 participants with several retinal diseases assessment. Fourteen eyes (35%) underwent vitreoretinal surgery pre-IHL detection (12 were operated for full-thickness macular hole [FTMH], one for epiretinal membrane [ERM], and one for rhegmatogenous retinal detachment). In six eyes (15%) a microhole coexisted. Four eyes (10%) had a concurrent lamellar macular hole. The IHL preceded the occurrence of FTMH in three eyes (7.5%), and diabetic macular edema and type 2 idiopathic macular telangiectasia (MacTel-2) were present in three eyes (7.5%) each. The remaining conditions included vitreomacular traction (VMT), non-arteritic anterior ischemic optic neuropathy with central retinal artery occlusion, commotio retinae, exudative age-related macular degeneration, ERM, non-infectious idiopathic posterior uveitis, and Coats’ disease, each affecting one eye (2.5%). Of the two participants with bilateral involvement, one was diagnosed with MacTel-2 and the other had IHL with VMT in the right eye that was detected post-vitreoretinal surgery for FTMH in the left eye. Conclusions: Although IHLs are mostly identified in eyes with vitreomacular surface diseases, clinicians may encounter IHLs in other types of retinal pathology. Further large-scale, multicenter, long-term studies on the presence of IHLs in OCT imaging are required to provide more substantial insight on this biomarker

Leukocyte activity for the evaluation of inflammatory status in cases with neovascular age-related macular degeneration

Purpose: To investigate systemic leukocyte activity in patients with neovascular age-related macular degeneration (nAMD). Materials and Methods: Venous blood samples were obtained from 82 patients with nAMD (study group) and 86 age and sex-matched control individuals (control group). Demographics as well as complete blood count (CBC) parameters including white blood cell (WBC), neutrophil, lymphocyte, monocyte, and platelet counts were noted for each participant. Moreover, calculated results of neutrophil/lymphocyte ratio (NLR), platelet/lymphocyte ratio (PLR), and lymphocyte/monocyte ratio (LMR) were recorded for further analysis. Results: No statistically significant difference was observed between the study and control groups under consideration in terms of demographic features (p>0.05). Among all studied CBC parameters, statistically significant difference was found in LMR, WBC, and monocyte counts (p=0.039, p=0.041, and p<0.001, respectively). These results were found as 3.54±1.20, 7.54±1.59 ×103 μL, and 0.61±0.16 ×103 μL, in the study group and 3.92±1.20, 7.04±1.55 ×103 μL, and 0.53±0.15 ×103 μL, in the control group, respectively. Conclusion: Patients with nAMD have increased systemic leukocyte activity, which may be indicative of systemic inflammation in these patients