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Visual recovery after radiation therapy for bilateral subfoveal acute myelogenous leukemia (AML)
Paul T Finger1, Michael J Pro, Susan Schneider
1The Ocular Tumor Service, The New York Eye and Ear Infirmary, New York, New York 10021, USA. pfinger@eyecancer.com <pfinger@eyecancer.com>
Purpose:
Present a case of bilateral foveal acute myelogenous leukemic tumors that responded to radiation therapy.
Design:
Case report.
Methods:
A patient was diagnosed with bilateral subfoveal infiltration of known systemic acute myelogenous leukemia. He received a standard induction chemotherapy, followed by consolidation therapy for his systemic leukemia. However, despite a complete marrow response, the intraocular tumors did not regress. Therefore, he was given low dose (1950-cGy) ocular external beam radiation therapy.
Results:
One course of systemic cytarabine chemotherapy failed to control the subfoveal tumors, leaving the patient at risk for permanent vision loss. In contrast, external beam radiation therapy improved his vision from 20/60 in his right eye to 20/20 and from 20/70 in his left eye to 20/25.
Conclusion:
Although systemic chemotherapy can be used to treat intraocular metastasis, external beam radiation may provide more prompt resolution of vision-threatening tumors.