Primary vitreoretinal lymphoma.

Area of Science:

• Ophthalmology
• Hematology
• Oncology

Background:

• Primary vitreoretinal lymphoma (PVRL) is a rare ocular malignancy, a subset of primary central nervous system lymphoma (PCNSL).
• It is the most common intraocular lymphoma, affecting approximately 20% of PCNSL cases, with up to 80% of PVRL patients experiencing brain involvement.
• PVRL is a high-grade B-cell malignancy often misdiagnosed as chronic uveitis or other eye conditions.

Purpose of the Study:

• To summarize the characteristics, diagnostic challenges, and therapeutic approaches for primary vitreoretinal lymphoma.
• To highlight the poor prognosis associated with PVRL despite initial treatment responses.

Main Methods:

• Review of existing literature on PVRL.
• Discussion of diagnostic modalities including cytology, immunohistochemistry, flow cytometry, and molecular pathology.
• Analysis of therapeutic strategies involving chemotherapy and radiation therapy.

Main Results:

• PVRL is frequently misdiagnosed, complicating timely and accurate diagnosis.
• Established diagnostic methods are crucial for differentiating PVRL from other ocular conditions.
• Aggressive treatment regimens are employed, but high relapse rates and CNS involvement contribute to a poor prognosis.

Conclusions:

• Accurate diagnosis of PVRL is challenging but essential for appropriate management.
• Despite aggressive treatment, PVRL has a poor long-term prognosis due to frequent relapses and CNS dissemination.
• Further research is needed to understand PVRL incidence, geographical variations, and pathogenesis.