Isolated optic nerve infiltration as a site of relapse of acute lymphoblastic leukemia.
2019
: Optic nerve infiltration is relatively rare in acute lymphoblastic leukemia. We present a case of a -53 year-old-man who was diagnosed with T- acute lymphoblastic leukemia (ALL). The patient was treated with ALL national protocol and the central nervous system (CNS) prophylactic management. On treatment, the patient presented with sudden severe vision deterioration of both eyes. Fundoscopic examination of the eye and magnetic resonance imaging of the orbits were in favor of an infiltration of the optical nerve. An isolated extramedullary relapse of the optical nerve was retained. The patient was treated with salvage chemotherapy systematic and intrathecal. Waiting forthe beginning of radiotherapy, the patient presented a bone marrow relapse. He died of a severe hemorrhagic syndrome. Conclusion: Optic nerve leukemic infiltration has a severe prognosis. Ophthalmic assessment is essential in patients with ALL in order to diagnose an early ocular involvement and the patient's vision can be preserved if treatment is initiated promptly.
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