Case highlights diagnostic challenges of IgG4-related disease in the lacrimal sac, suggesting biopsy before systemic treatments for malignancies.
This case underscores the diagnostic challenges of IgG4 disease, emphasizing the importance of a comprehensive approach, including histological confirmation. Distinguishing it from malignancies is crucial, and biopsy should be considered in cases of diagnostic uncertainty before invasive or systemic treatments for suspected tumors.
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Kaliche et al. (2025) studied this question.
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