PMC8324389_01
Well-demarcated erythematous plaques, nodules, and papules noted on the groin (a) and gluteal cleft (b) observed prior to treatment with adalimumab.
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fig1
Our patient, a 16-year-old male, initially presented for evaluation of abdominal pain, bloody stools, and weight loss. 6 months prior to the onset of his abdominal symptoms, he had developed a nonpruriginous, painless, erythematous, scaly, and raised rash on his inguinal, scrotal, and intergluteal regions (Figure 1).
Improvement following 8 months of treatment with adalimumab.
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fig2
After 2 weeks of topical fluocinolone twice daily and induction therapy with adalimumab followed by subsequent doses of 40 mg every other week, the rash had greatly improved, consistent with an extraintestinal manifestation of his CD (Figure 2).