PMC7093007_01
Mild leukoerythroblastic reaction seen on peripheral blood smear with slightly left-shifted granulocyte series and rare circulating nucleated red blood cells. (A) A granulocyte precursor is seen at the center of the field (100x). (B) A nucleated red blood cell is seen at the center of the field (100x).
fped-08-00077-g0001.jpg
PMC7093007_01_fped-08-00077-g0001.jpg
F1
A peripheral blood smear, performed to rule out an oncologic disorder, demonstrated a mild leukoerythroblastic reaction, suggesting a bone marrow infiltration process (Figure 1).
Timeline in days of clinical symptoms of HSP and eventual progression to neuroblastoma diagnosis. Cr, creatinine; Hgb, hemoglobin; UA, urinalysis.
fped-08-00077-g0002.jpg
PMC7093007_01_fped-08-00077-g0002.jpg
F2
A summary of his clinical course can be seen in Figure 2.