Multimodal imaging in a case of bilateral astrocytic hamartoma with retinitis pigmentosa.

Sugandha Goel, Debmalya Das, Kumar Saurabh, Rupak Roy
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Abstract

Astrocytic hamartoma is a benign glial tumor. It may be associated with tuberous sclerosis and can also be found incidentally on retinal examination as an isolated presentation. Here, we describe multimodal imaging characteristics of astrocytic hamartoma in a patient with retinitis pigmentosa. Spectral domain optical coherence tomography of both eyes showed moth-eaten optically empty spaces and hyperreflective dots along with foveal thinning. Multicolor image highlighted mulberry appearance of the lesion with green shift signifying elevated lesion. In infrared reflectance, lesion was hyporeflective with its margins well delineated. Green reflectance and blue reflectance highlighted calcification as multiple hyperreflective dots. Autofluorescence showed typical hyperautofluorescence.

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双侧星形细胞错构瘤合并色素性视网膜炎的多模态影像分析。
星形细胞错构瘤是一种良性胶质肿瘤。它可能与结节性硬化症有关,也可以在视网膜检查中偶然发现,作为一个孤立的表现。在这里,我们描述了视网膜色素变性患者星形细胞错构瘤的多模态影像学特征。双眼的光谱域光学相干断层扫描显示虫蛀的光学空洞和高反射点,并伴有中央凹变薄。多色图像突出显示病变呈桑色外观,绿色移位表示病变升高。在红外反射率上,病灶低反射,边缘清晰。绿色反射率和蓝色反射率显示钙化为多个超反射点。自体荧光表现为典型的超自体荧光。
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