03 October 2025
: Case report 
A Rare Case of Waldenström Macroglobulinemia Presenting as Bilateral Bloody Pleural Effusion and Pancytopenia
Challenging differential diagnosis, Unusual or unexpected effect of treatment, Diagnostic / therapeutic accidents, Unexpected drug reaction, Rare disease, Educational Purpose (only if useful for a systematic review or synthesis)
Yue Qing Chen ABCDEF 1*, Hua Wang BCDF 1, Qiong Feng ABE 2DOI: 10.12659/AJCR.948815
Am J Case Rep 2025; 26:e948815
Figure 4 Bone marrow biopsy showed that the small lymphocytes expressed CD20 (A) and the atypical plasmacytoid cells expressed CD138 (B) in the intertrabecular zone.