Gamma-delta T-cell lymphoma of skin, eye and brain presenting with visual loss

A young man presented with rapid, predominantly right-sided visual loss with a background of multifocal skin lesions. Visual acuity was right hand movements, left 6/5 Snellen, deteriorating to 6/38. He showed panuveitis with bilateral multifocal retinal infiltrates and retinal vasculitis. Multifocal brain lesions were identified. Biopsy of both skin and vitreous showed atypical lymphocytes, and immunohistochemistry confirmed T-cell lymphoma of gamma–delta subtype. Management with the CODOX-M/IVAC polychemotherapy regimen achieved rapid response including resolution of intraocular changes and substantial improvement of visual acuity to right 6/7.5, left 6/6. However, he relapsed before planned stem cell transplantation. Salvage with the gemcitabine/dexamethasone/cisplatin regimen, although temporarily effective, was followed by further relapse including widespread brain involvement, and he succumbed 10 months after presentation.

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