09 April 2021
: Case report 
False-Positive Nonstructural Protein 1 Antigen in a Patient with Philadelphia Chromosome-Positive Acute Lymphoblastic Leukemia: A Case Report with Literature Review
Mistake in diagnosis
Supat Chamnanchanunt12ABCDEFG*, Pravinwan Thungthong2ABDE, Asrinda Abdulkanan3BCE, Chajchawan Nakhakes2ACDFDOI: 10.12659/AJCR.928865
Am J Case Rep 2021; 22:e928865
Figure 1. (A) Peripheral blood smear (admission period at the first hospital, with acute febrile illness) showing abnormal white blood cells with adequate platelet (Wright-Giemsa stain, original magnification ×1000). (B, C) Peripheral blood smear (admission period at the second hospital, with persistence fever and cytopenic condition) showing a small number of red blood cells with lymphoblastic cells and decreasing numbers of platelets (Wright-Giemsa stain, original magnification ×1000). (D, E) Bone marrow smear showing hypercellularity of marrow with predominately lymphoblastic cells (Wright-Giemsa stain, original magnification ×1000).