Journal of Otolaryngology and Ophthalmology of Shandong University ›› 2020, Vol. 34 ›› Issue (1): 85-88.doi: 10.6040/j.issn.1673-3770.0.2019.154

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Clinical characteristics and spectral-domain optical coherence tomography findings of 15 focal choroidal excavation cases

ZHAO Juan, ZHOU Li, SI Yanfang, BI Xiaoda, ZHANG Lin   

  1. Department of Ophthalmology, Eighth Medical Center, The General Hospital of People's Liberation Arm Army, Beijing 100091, China
  • Published:2020-03-06

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Abstract: Objective To observe the clinical characteristics and spectral-domain optical coherence tomography(SD-OCT)findings of focal choroidal excavation(FCE). Methods A retrospective observation case series were examined. The medical records of 18 eyes from 15 patients with FCE who had undergone SD-OCT were reviewed. All patients had their best-corrected visual acuity(BCVA)reviewed, a slit-lamp biomicroscopy, direct ophthalmoscopy, and an SD-OCT. Additionally, color photography, a fundus fluorescein angiography(FFA)and indocyanine green angiography(ICGA)were performed in some cases. Results The 15 patients included 9 males and 6 females with an average age of 36.93±8.43 years old. Patients refraction ranged from(-1.54±1.83)D, with a BCVA of 0.78±0.23.3 pations(6 eyes)and bilateral involvement. Twelve pations in 12 eyes were affected unilaterally. Varying, average degrees of foveal pigmentary alterations were generally seen during clinical examinations and color photography. The SD-OCTs showed that the retinal pigment epithelium(RPE)layer, the outer photoreceptor segment, the pigment junction layer, the photoreceptor inner segment, and outer segment junction layer, as well as the external limiting membrane, were involved in the excavation. The photoreceptor inner and outer segment junction layer and the RPE layer were accompanied by differing degrees of reflection attenuation. Their position was under and beside the macular fovea. The FCE can be classified as compact in which there is no separation between the photoreceptors and the RPE in the depression or detached in which there is separation between the photoreceptors and the RPE in the depression. Sixteen cases were classified as compact, and 2 cases as detached. The SD-OCTs showed that the FCE was located in the subfoveal of 12 eyes. In the other 6 eyes the FCE was seen to be eccentric. The FCE was complicated with central serous chorioretinopathy in 2 cases and idiopathic choroidal neovascularization in 1 case. Conclusion The FCE was generally classified as conforming with mild and moderate myopia found in a single eye. The FCE was complicated with maculopathy. The SD-OCT reveals the morphological and histological changes of the FCE. From these results, focal choroidal excavation using SD-OCT can be widely recommended.

Key words: Optical coherence tomography, Focal choroidal excavation, Choroid diseases

CLC Number: 

  • R773.4
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