Correa-Acosta A, González-Alviar M E, Gaviria-Bravo M L
Servicio de Oftalmología, Hospital Universitario San Vicente Fundación, Universidad de Antioquia, Medellín, Colombia.
Servicio de Oftalmología, Hospital Universitario San Vicente Fundación, Universidad de Antioquia, Medellín, Colombia.
Arch Soc Esp Oftalmol (Engl Ed). 2018 May;93(5):251-254. doi: 10.1016/j.oftal.2017.10.010. Epub 2017 Dec 23.
The case is presented on a girl with a unilateral retinoblastoma that required treatment with intra-arterial chemotherapy. In the nuclear magnetic resonance imaging of the brain performed 1 month after intra-arterial chemotherapy treatment, post-laminar optic nerve (ON) enhancement was observed, leading to the suspicion of an ON tumour infiltration. Additional examinations were requested by which a probable optic neuropathy was diagnosed.
The ON enhancement in magnetic resonance imaging of the brain in retinoblastoma generally corresponds to tumour invasion of the ON. However, other diagnostic alternatives associated with the use of new treatments, such as intra-arterial chemotherapy, should be considered.
本文介绍了一名患有单侧视网膜母细胞瘤的女孩，该病例需要进行动脉内化疗。在动脉内化疗治疗1个月后进行的脑部核磁共振成像中，观察到视交叉后段视神经（ON）强化，这引发了对视神经肿瘤浸润的怀疑。因此要求进行进一步检查，最终诊断为可能的视神经病变。
视网膜母细胞瘤患者脑部磁共振成像中的视神经强化通常与肿瘤对视神经的侵犯有关。然而，应考虑与使用新治疗方法（如动脉内化疗）相关的其他诊断可能性。
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