Kidney Res Clin Pract > Volume 35(2); 2016 > Article
Kim and Han: Relapsing lupus enteritis in systemic lupus erythematosus
Systemic lupus erythematosus (SLE) is a systemic autoimmune disease and has systemic features that can affect all organs. Steroid therapy is an essential treatment option in SLE involving the kidneys, other internal organs, or central nervous system.
A 42-year-old woman with a 10-year history of SLE presented with nonspecific nausea, vomiting, and diarrhea. She experienced lupus enteritis 7 years earlier, which was cured with steroid treatment and, since then, had demonstrated stable disease with steroid and disease-modifying antirheumatic drug treatment. Vital signs were stable, and there were no signs of surgical abdomen. Laboratory investigations were normal except for C3 and C4 (69.2 and 7.2 mg/dL, respectively). Abdominal computed tomography revealed typical target sign indicating inflammatory edema of the small bowel (Fig. 1). The patient recovered completely after immediate treatment with steroid pulse therapy under a diagnosis of lupus enteritis.
Lupus enteritis can present with nonspecific symptoms and can lead to fatal intestinal bleeding or perforation. Thus, it is important to diagnose lupus enteritis and start treatment as early as possible. If a patient with SLE presents with nonspecific symptoms such as abdominal pain and diarrhea, lupus activity should be investigated under the suspicion of lupus enteritis.

Conflicts of interest

All authors have no conflicts of interest to declare.
Figure 1
Abdominal CT of the patient on admission. CT shows circumferential submucosal thickening and swelling of the small bowel wall with alternating layers of high and low attenuation, which is referred to as target sign.
CT, computed tomography.
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