Purpose: To report a case showing a very rare association of chorioretinal coloboma and retinal capillary hemangioma in a previously healthy patient.
Methods: Observational case report.
Results: A 21-year-old woman presented at our clinic for vision screening. She had a history of bilateral chorioretinal coloboma with amblyopia in her left eye. Her best-corrected visual acuity was 20/25 in her right eye and 20/200 in her left eye. On slit-lamp examination, iris coloboma was observed in the left eye. Fundus evaluation showed inferior chorioretinal coloboma in both eyes, and an elevated, round, and orange-red retinal lesion with feeder vessels localized in the midperipheral region of the right eye. The patient was diagnosed as having solitary retinal capillary hemangioma and underwent argon laser therapy for treating the tumoral lesion. Diagnostic studies were negative for von Hippel-Lindau disease. This is the first reported case of solitary retinal capillary hemangioma associated with bilateral chorioretinal coloboma.
Conclusion: Chorioretinal coloboma is a congenital defect of the eye caused by improper closure of the embryonic fissure. Retinal capillary hemangioma is a vascular retinal tumor that may occur sporadically or as part of the von Hippel-Lindau syndrome. We report a rare association of chorioretinal coloboma and retinal capillary hemangioma in a previously healthy patient.
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http://dx.doi.org/10.1097/ICB.0000000000000586 | DOI Listing |
Invest Ophthalmol Vis Sci
January 2025
Department of Ophthalmology, New York Eye and Ear Infirmary of Mount Sinai, New York, New York, United States.
Purpose: To assess the preferential sites of retinal capillary occlusion at the parafovea in patients with sickle cell disease (SCD) using optical coherence tomography angiography (OCT-A).
Methods: OCT-A scans from 107 patients with SCD and 51 race-matched unaffected controls were obtained using a commercial spectral domain-OCT system. At least eight sequential 3 × 3 mm scans centered at the fovea were acquired and averaged for image analysis.
J Pers Med
January 2025
Department of Ophthalmology, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju 28644, Republic of Korea.
The aim of this study was to investigate the locational distribution and potential mechanisms of retinal hemorrhages in newborns using fundus photography. A retrospective analysis of 98 consecutive newborns with retinal hemorrhages in at least one eye and 30 control newborns without retinal hemorrhages after uneventful delivery was conducted. Retinal hemorrhages were diagnosed and characterized using fundus photography and indirect ophthalmoscopy.
View Article and Find Full Text PDFJ Pers Med
January 2025
Department of Ophthalmology, Mayo Clinic, Rochester, MN 55905, USA.
: Augmented reality (AR) may allow vitreoretinal surgeons to leverage microscope-integrated digital imaging systems to analyze and highlight key retinal anatomic features in real time, possibly improving safety and precision during surgery. By employing convolutional neural networks (CNNs) for retina vessel segmentation, a retinal coordinate system can be created that allows pre-operative images of capillary non-perfusion or retinal breaks to be digitally aligned and overlayed upon the surgical field in real time. Such technology may be useful in assuring thorough laser treatment of capillary non-perfusion or in using pre-operative optical coherence tomography (OCT) to guide macular surgery when microscope-integrated OCT (MIOCT) is not available.
View Article and Find Full Text PDFJ Matern Fetal Neonatal Med
December 2025
Department of Pediatrics, Traditional Chinese and Western Medicine Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan No.1 Hospital, Wuhan, China.
Objective: The objective of this study is to assess the impact of nano platinum-hydrogen saline (Pt NPs + H) on oxygen-induced retinopathy (OIR) in neonatal rats, with the goal to contribute new insights into the therapeutic strategies for retinopathy of prematurity.
Methods: Pt NPs + H formulation was synthesized to address OIR in a rat model. Subsequent examination included the assessment of retinal blood vessel distribution and morphology through hematoxylin and eosin (HE) and isolectin B4 (IB4) staining techniques.
Curr Eye Res
January 2025
Department of Ophthalmology, University Medical Center Goettingen, Goettingen, Germany.
Purpose: To validate the quantification of the prominent middle limiting membrane (PMLM) sign, a marker of mild-to-moderate acute ischemic damage on optical coherence tomography (OCT), by measuring middle limiting membrane (MLM) reflectivity in patients with central retinal vein occlusion (CRVO) and to investigate the prognostic impact of this measure.
Methods: Spectral Domain (SD)-OCT B-scans of 30 patients with CRVO, either sole CRVO or combined central retinal artery and vein occlusion (CCRAVO), were analyzed retrospectively and graded as PMLM present or absent. Normalized MLM reflectivity was calculated as a ratio of the maximum reflectivity within a MLM target layer and the average reflectivity of the retinal pigment epithelium (RPE).
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