26 July 2022
: Case report 
Pneumocystis jirovecii Pneumonia with a Normal Early Chest Radiography and Complicated with Drug-Induced Immune Hemolytic Anemia: A Case Report
Unusual clinical course, Challenging differential diagnosis, Unusual or unexpected effect of treatment, Adverse events of drug therapy
Norbainun Che Hamid1ABCDEF, Khasnur Abd Malek1ACEF*, Nafiza Mat Nasir1DE, Nik Munirah Nasir1DEFDOI: 10.12659/AJCR.936278
Am J Case Rep 2022; 23:e936278
Table 1. Laboratory investigation at presentation and day 21 while on oral trimethoprim-sulfamethoxazole.
| Laboratory test | At presentation | Day 21 while on oral trimethoprim-sulfamethoxazole | Reference range |
|---|---|---|---|
| Hemoglobin | 5.7 | (13.0–17.0) g/dL | |
| Mean cell volume | 94.4 | 96.5 | (83.0–101.0) fl |
| Mean cell hemoglobin | 29.9 | 33.1 | (27.0–32.0) pg |
| Hematocrit | 36.9 | 16.6 | (40.0–50.0)% |
| Reticulocyte counts | - | (0.5–2.5)% | |
| Platelet counts | 273 | 219 | (150–410)×10/L |
| White cell count | 5.85 | 8.84 | (4.00–10.00)×10/L |
| Neutrophil count | 3.47 | 7.93 | (2.00–7.00)×10/L |
| Lymphocyte count | (1.00–3.00)×10/L | ||
| Eosinophil count | 0.14 | (0.02–0.50)×10/L | |
| ESR | (1–15) mm/h | ||
| Biochemistry | |||
| Urea | 3.50 | (2.78–8.07) mmol/L | |
| Creatinine | 87 | (62–106) µmol | |
| Sodium | 138 | (136–145) mmol/L | |
| Potassium | 4.1 | (3.5–5.1) mmol/L | |
| Albumin | 38.1 | (35.0–52.0) g/L | |
| Alkaline phosphatase | 63.0 | (40.0–130.0) U/L | |
| Alanine transaminase | 22.8 | <41.0 U/L | |
| CRP | <5.0 mg/L | ||
| Lactate dehydrogenase | 342 U/L | (135–225) U/L | |
| D-dimer | Negative | <500 ng/mL | |
| ESR – erythrocyte sedimentation rate; CRP – C-reactive protein. | |||