Septic shock due to cytomegalovirus colitis associated with rituximab use: A case report

Table 1 Lab investigations on admission and during hospital stay

	Patient values	Normal values
White blood cell count (× 103 cells/mL)	1.35	4.8-10.8
Red blood cell count (million cells/mL)	2.59	4.2-5.4
Hemoglobin (mmol/L)	4.96	8.7-11.2
Hematocrit (%)	25.6	37.0-47.0
Mean corpuscular volume (FL)	98.8	81-99
Mean corpuscular hemoglobin (PG)	30.9	27-31
Mean corpuscular hemoglobin concentration (g/dL)	31.3	33-37
Red cell distribution width (%)	14.9	11.5-14.5
Platelet count (× 1000 cells/mL)	16	130-400
Neutrophils (%)	37.1	42.2-75.2
Lymphocytes (%)	57.0	20.5-51.5
Monocytes (%)	3.7	1.7-9.3
Percentage reticulocyte count (%)	0.57	0.8-2.1
Sodium (mmol/L)	137	135-145
Potassium (mmol/L)	4.7	3.5-5
Chloride (mmol/L)	98	98-105
Blood urea nitrogen	5.36	3.6-7.1
Serum creatinine (μmol/L)	97.26	44-97
Aspartate transaminase (U/L)	74	10-30
Alanine transaminase (U/L)	18	10-36
Alkaline phosphatase (U/L)	53	32-104
Erythrocyte sedimentation rate (mm/hour)	56	0-20
C- reactive protein (mg/L)	160.98	0-5
Cytomegalovirus DNA by polymerase chain reaction	14800 IU/mL	Undetected
Immunoglobulin M (g/L)	10	40-230
Immunoglobulin A (g/L)	239	70-400
Immunoglobulin G (g/L)	1200	700-1600
Blood culture	Negative	Negative
Stool tests: Clostridioides difficile, Escherichia coli, Shiga toxin, Cryptosporidium, Cyclospora, Adenovirus, Norovirus, Rotavirus, Giardia, Entamoeba	Negative	Negative
Peripheral smear	Normocytic normochromic anemia, thrombocytopenia	No anemia or thrombocytopenia
Bone marrow and flow cytometry	Hypocellular (10%) bone marrow with mild erythroid hyperplasia. Negative for monoclonal plasma cell or blast cell population	Normal cellularity without any monoclonal or blast cell population