Case Report
Copyright ©The Author(s) 2023.
World J Clin Infect Dis. Oct 19, 2023; 13(3): 24-30
Published online Oct 19, 2023. doi: 10.5495/wjcid.v13.i3.24
Table 1 Laboratory investigations for diagnosis of pyrexia of unknown origin
Laboratory investigations
Results
First visit to a paediatrician (13 wk prior to visiting us)
Revisit to a pediatrician (8 wk before visiting us)
Tertiary care hospital admission (5 wk before visiting us)
At the time of visiting us
2 mo after treatment completion
Complete blood countHaemoglobin (g/dL)11.511.31010.512.2
RBC (million/cu mm)--3.82 4.23-
Total leucocyte count (/cu mm)370096008100106408430
Erythrocyte sedimentation rate3040566028
Neutrophil (%)5663604538
Lymphocyte (%)3930355052
Platelet countAdequateAdequateAdequateAdequateAdequate
Liver function test--Serum glutamic-oxaloacetic transaminase -90, Serum Glutamic Pyruvic Transaminase -58Globulin: 4.3 g/dL, LDH: 365 U/LSerum glutamic-oxaloacetic transaminase -42, Serum Glutamic Pyruvic Transaminase -29
Serological examinationDengue nonstructural protein (NS1) antigenNegativeNegativeNegative--
C-Reactive protein (mg/dL)1.180.450.690.503-
Brucella serology (IgG and IgM)---Positive-
Epstein-Barr virus IgM---Negative-
Dual antigen test for malariaNegativeNegative Negative Negative-
Widal test-TO-1/80, TH- 1/80---
TuberculosisCartridge Based Nucleic Acid Amplification Test from the gastric aspirate--Negative--
Sputum for acid-fast bacilli--Negative--
Mantoux test--Negative--
Scrub typhusWeil-Felix test--Negative--
Automated blood culture--NegativeBrucella melitensis-
Routine urine examination--Normal--
Chest X-ray-Normal-Normal-
Ultrasonography whole abdomen-Mild splenomegaly-Splenomegaly and thickened ileum wall-