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Updated: Aug 25, 2025

Author Spotlight: Advancing VRL Diagnosis Using Cell-Free DNA Extraction from Vitreous Humor

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Update in Molecular Testing for Intraocular Lymphoma.

Michael J Heiferman^1,2, Michael D Yu², Prithvi Mruthyunjaya²

¹Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, Chicago, IL 60612, USA.

|October 14, 2022

Summary

Diagnosing primary vitreoretinal lymphoma and central nervous system lymphoma is difficult. Emerging molecular techniques offer improved accuracy for diagnosing intraocular lymphoma via vitreous biopsy.

Keywords:

diagnostic vitrectomy intraocular lymphoma masquerade ocular pathology vitreous biopsy

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Area of Science:

Ophthalmology
Hematology
Oncology

Background:

Primary vitreoretinal lymphoma (PVL) and central nervous system (CNS) lymphoma diagnosis is challenging.
Intraocular involvement necessitates vitreous biopsy for diagnosis.
Conventional methods like cytology and flow cytometry have limitations due to sparse and fragile malignant cells.

Purpose of the Study:

To review current diagnostic modalities for intraocular lymphoma.
To emphasize emerging molecular techniques for improved diagnostic yield.

Main Methods:

Review of existing diagnostic tests for intraocular lymphoma.
Focus on cytologic evaluation, immunohistochemistry, flow cytometry, cytokine analysis.
Exploration of novel molecular techniques.

Main Results:

Conventional methods are limited by paucicellular and fragile biopsy specimens.
Emerging molecular techniques show promise for enhanced diagnostic accuracy.
Timely and accurate diagnosis of intraocular lymphoma can be improved.

Conclusions:

Vitreous biopsy is crucial for diagnosing intraocular lymphoma.
Molecular techniques offer a promising advancement over conventional diagnostic methods.
Improved diagnostic strategies are needed for better patient outcomes in lymphoma.