15 March 2026
: Case report 
Delayed Recognition of Systemic Lupus Erythematosus Presenting With Visceral Muscle Dysmotility and Chronic Mucus-Bloody Enteropathy: A Case Report
Unusual clinical course, Challenging differential diagnosis
Settanan Plangsiri
ABCDEF 1, Manisara Jirapornsuwan BEF 1, Pat Ngamdachakij ACDEF 1, Dhanesh Pitidhammabhorn CD 2, Wannisa Wongpipathpong ADEFG 2*
DOI: 10.12659/AJCR.950774
Am J Case Rep 2026; 27:e950774
Table 3 Laboratory results at the 3-month follow-up.
| Test | At presentation | Follow up | Reference range | Unit |
|---|---|---|---|---|
| WBC count | 2,580 | 5,090 | 4,000–10,000 | cells/mm |
| Hematocrit | 24.3 | 36.3 | 36–48 | % |
| Platelet count | 133,000 | 296,000 | 140,000–450,000 | cells/mm |
| Complement C3 | 0.26 | 1.14 | 0.8 and 1.7 | g/L |
| Complement C4 | 0.04 | 0.17 | 0.15 to 0.45 | g/L |
| Spot UPCR | 4.29 | 0.11 | <150 | mg/g |
| Urine protein | 2+ | Negative | Negative | – |
| UPCR – urine protein-to-creatinine ratio; WBC – white blood cell. | ||||