Lupus enteritis as the only active manifestation of systemic lupus erythematosus: A case report

Table 1 Initial laboratory values

Value	Result	Reference range
White blood cells	4.26	3.70-11.0 k/uL
Hemoglobin	11.4	11.5-15.5 g/dL
Hematocrit	33.2	36.0%-46.0%
Platelet Count	182	15-400 k/uL
Sodium	141	136-144 mmol/L
Potassium	4.0	3.7-5.1 mmol/L
Bicarbonate	21	22-30 mmol/L
BUN	20	8-21 mg/dL
Creatinine	0.70	0.58-0.96 mg/dL
Glucose	95	65-100 mg/dL
Total Bilirubin	0.5	0.0-1.5 mg/dL
Alkaline Phosphatase	52	32-117 U/L
ALT	14	7-38 U/L
AST	36	13-35 U/L

Table 2 Hereditary angioedema evaluation

Laboratory test	Result	Reference range
Complement Deficiency Assay	75	> 60 Units
C1 Esterase Inhibitor Function	102	> 40%
C1q Complement	10	12-22 mg/dL
C1 Esterase Inhibitor	32	21-39 mg/dL
C4	4.0	13-46 mg/dL
C3	48	86-166 mg/dL

Table 3 Autoimmune evaluation

Laboratory test	Result	Reference range
ANA	13	None detected
Ds-DNA antibody	25	< 30 IU/mL
Anti-RNP antibody	6.9	< 1.0 AI
Anti-Smith antibody	> 8.0	< 1.0 AI
C4	4.0	13-46 mg/dL
C3	48	86-166 mg/dL

Table 4 Systemic Lupus International Collaboration Clinics Criteria

Criteria	Result
Acute Rash	No
Chronic Rash	No
Oral/nasal Ulcers	No
Non-scarring Alopecia	No
Arthritis	No
Serositis	No
Abnormal Urine	No
Renal	No
Neurologic	No
Hemolytic Anemia	Yes
Leukopenia/Lymphopenia	Yes
Thrombocyopenia	No
ANA	Yes
Anti-dsDNA	No
Anti-Sm	Yes
Antiphospholipid antibody	No
Low Complement	Yes