Diagnostic value of bone marrow cell morphology in visceral leishmaniasis-associated hemophagocytic syndrome: Two case reports

Table 1 Pathogen detection in two patients with visceral leishmaniasis

Etiological examination	Case 1	Case 2
Epstein-Barr virus	2.82 x 103	Negative
K39 tests	Positive	Positive
Cytomegalovirus	Negative	Negative
Rubella virus	Negative	Negative
Influenza virus	Negative	Negative
Respiratory syncytial virus	Negative	Negative
Adenovirus	Negative	Negative
Antihemolytic streptococcus O	Normal	Normal
Rheumatoid factor	Normal	Normal
Anti-cyclic citrullinated peptide antibody	Negative	Negative
Anti-nuclear antibody	Negative	Negative
Legionella pneumophila	Negative	Negative
Mycoplasma pneumoniae, Chlamydia	Negative	Negative
Q fever, rickettsia	Negative	Negative
Blood culture	Negative	Negative
Bone marrow cytology
Leishmania amastigotes	Positive	Positive
Hemophagocytic cells	Easily seen	Easily seen
Hemophagocytic-related genes	Negative	Negative
Acute and chronic leukemia immunophenotyping	Negative	Negative