Rosai‐Dorfman disease (RDD), as a lymphoproliferative disorder with unknown etiology, is commonly identified with systemic clinical manifestations in various organs. In this case study, RDD occurrence was reported with an exceedingly liver mass.

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A comprehensive review of the literature on chronic lymphocytic leukemia (CLL) patients and recommendations regarding the evaluation and treatment of these patients was conducted. The overall prevalence of CLL and COVID-19 concurrence was found to be 0.6% (95%CI: 0.5% to 0.7%). Diagnostic interaction between CLL and COVID-19 remains a major challenge. Also, CLL patients have a lower rate of anti-SARS-CoV-2 IgG development. Evidences show the unacceptable therapeutic outcome in these patients. Although the CLL-COVID-19 occurrence is associated with adverse clinical consequences, no general and standard agreement has yet been presented for the management and treatment of this disease.

Burkitt's lymphoma (BL) is defined as a highly invasive B‐cell lymphoma with a poor prognosis. Primary bilateral ovarian mass without involvement of other organs is a rare manifestation of BL. Our report was a case of an EBV positive Burkitt's lymphoma, which initially presented with ovarian mass and adnexal torsion.

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