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Advances in imaging and molecular diagnostics of ocular tuberculosis and selected observations from the Collaborative Ocular Tuberculosis Study (COTS)
摘要： Introduction: Ocular tuberculosis (TB) is a rare extra-pulmonary manifestation with protean clinical manifestations. Ocular TB as a cause of potentially blinding disease has been recently recognized by ophthalmologists as well as pulmonologists. In the past decade, there has been a great leap in our understanding of the disease pathogenesis, clinical and imaging features, as well as therapeutic challenges and disease complications. Areas covered: In this expert review, an emphasis has been laid on the recent advances in ocular imaging including wide-field fundus imaging, fluorescein angiography and autofluorescence, enhanced-depth optical coherence tomography, optical coherence tomography angiography, among others, as well as progress in the field of diagnostics such as polymerase chain reaction and other nucleic acid amplification tests. Findings from the Collaborative Ocular Tuberculosis Study (COTS), a multicentric study on ocular TB, have been explained in details. Expert opinion: Due to rapid advances in the field of fundus imaging and laboratory testing, it has become possible to recognize the pathological alterations observed in ocular TB. With further research, it may be possible to generate a consensus on the diagnosis and management of this entity in the future.
关键词： Tuberculosis,optical coherence tomography,choroiditis,fluorescein angiography,serpiginous-like choroiditis,indocyanine green angiography,uveitis
更新于2025-09-23 15:23:52
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Central serous chorioretinopathy in elderly subjects: angiographic and tomographic characteristics
摘要： Purpose To investigate the angiographic, tomographic, and clinical characteristics of idiopathic central serous chorioretinopathy (CSC) in elderly patients. Methods The patients were divided into two groups according to a cutoff age of 60 years at baseline. Patients underwent spectral domain optical coherence tomography, fluorescein angiography, and indocyanine green angiography. Angiographic and tomographic features were compared between the two groups (young vs. elderly group). Results Of 176 patients, 26 patients (15.1%) were 60 years or older. Complete resolution of subretinal fluid after treatment was noted in 72.0% of the elderly group and 90.8% of the young group (P = 0.021). The elderly group showed worse baseline and final vision, more bilateral involvement, and lower male preponderance than the young group (P < 0.05, respectively). The elderly group was also associated with a higher frequency of retinal pigment epithelium depigmentation, foveal thinning, and double-layer sign compared with the young group (P < 0.05, respectively). Conclusion CSC in elderly patients was associated with a lower resolution of serous detachment, increased impairment of retinal pigment epithelial layers, foveal thinning, and worse visual outcome, suggesting a chronic insult to the choroidal vessels involving more severe damage to the outer retinal layers.
关键词： Pachychoroid,Polypoidal choroidal vasculopathy,Fluorescein angiography,Photo dynamic therapy,Imaging,Optical coherence tomography,Indocyanine green angiography,Central serous chorioretinopathy
更新于2025-09-04 15:30:14