Excerpt
To the Editor:
A 78-year-old man with no ocular history was admitted for low back pain. His medical history revealed prostate cancer diagnosed in August 2004 after transurethral resection. He was treated with hormone therapy with cyproterone acetate 50 mg/day and goserelin acetate 10.8 mg/3 months. From January 2005, he complained of mechanical low back pain. Initially, plain radiographs were normal. Pain increased, and new plain radiographs revealed increased density of the fifth lumbar vertebra. Lumbar resonance magnetic imaging examination confirmed metastatic bone localization. Blood samples revealed prostate-specific antigen elevation, normal calcemia, and serum creatinine. Forty-eight hours after the first...