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Year : 2021  |  Volume : 69  |  Issue : 3  |  Page : 630-634

Optical coherence tomography findings in toxoplasma retinochoroiditis

Department of Tepecik Research and Training Hospital Ophthalmology, Izmir, Turkey

Correspondence Address:
Dr. Seda Karaca Adiyeke
Tepecik Research and Training Hospital Ophthalmology Department, Izmir
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijo.IJO_1061_20

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Purpose: This study aimed to evaluate the optic coherence tomography (OCT) findings in patients with toxoplasmic retinochoroiditis (TRC). Methods: A total of 12 eyes of 12 patients with active TRC were included in the study. At baseline, at the first-month follow-up, at the sixth-month follow-up and at the 1-year follow-up, the TRC lesion OCT and macula OCT were evaluated. Results: Hyperreflectivity of the inner retinal layers and an increase in retinal thickness were observed on the OCT examinations of all the patients with an active TRC lesion. The retinal thickness decreased and the reflectivity of retinal layers was disorganized in the OCT images obtained in the follow-up period. Partial posterior hyaloid detachment (PHD) and no PHD were detected in 11 cases and 1 case, respectively. Epiretinal membrane (ERM) had developed in the adjacent region of the scar in 7 patients. With the regression of the lesion, the disruption of the ellipsoid zone (EZ), retinal pigment epithelium (RPE) and external limiting membrane (ELM) improved in the adjacent areas. In all the eyes, ERM and the PHD configuration did progress during the follow-up period. Vitreoschisis was found in 4 of the 11 patients with partial PHD. It was observed that ERM developed in all the patients with vitreoschisis. Conclusion: ERM and partial PHD were common in the TRC patients, and there was no progression during the follow-up period. Regeneration of the EZ, RPE and ELM was observed in the follow-up period.

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