Haematology/Oncology; Pathology and Laboratory Medicine
The triad of weak/absent CD34, negative HLA-DR expression, and positivity to CD117 is pathognomonic for the diagnosis of acute promyelocytic leukemia. However, in rare cases, strong positivity to HLD-DR and CD34 may be noted.
Clinical Case Reports
(2021). The curious case of HLA-DR-positive APL. Clinical Case Reports, 9(2), 825-829.
Available at: https://ecommons.aku.edu/pakistan_fhs_mc_med_haematol_oncol/74
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