Pediatr Gastroenterol Hepatol Nutr.  2021 Nov;24(6):564-570. 10.5223/pghn.2021.24.6.564.

Incidentally Detected Asymptomatic Perianal Abscess in an Adolescent during Crohn's Disease Diagnosis: Is Routine Pelvic Imaging Required in Korean Pediatric Patients at Diagnosis?

Affiliations
  • 1Department of Pediatrics, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea
  • 2Department of Pediatrics, School of Medicine, Kyungpook National University, Daegu, Korea
  • 3Department of Surgery, Goo Hospital, Daegu, Korea
  • 4Department of Radiology, School of Medicine, Kyungpook National University, Daegu, Korea

Abstract

Perianal fistulizing diseases, namely perianal fistulas and/or abscesses, are well-known complications of Crohn's disease (CD). These are known to develop more frequently in Asian children with CD, especially in the early stages of the disease course. Approximately half of the pediatric CD cases in Korea present with perianal fistulizing diseases at diagnosis. We report a rare case of a 12-year-old boy with CD with an incidental discovery of a perianal abscess on pelvic magnetic resonance imaging during CD diagnosis. No symptoms or signs of perianal fistulizing disease were identified. The early diagnosis of the perianal abscess enabled timely and effective treatment. Considering the high incidence of concomitant perianal CD in Korean children at diagnosis, perianal imaging may be useful and should be considered during diagnostic evaluation, even in patients with no subjective or objective findings indicating perianal CD.

Keyword

Crohn disease; Abscess; Fistula; Magnetic resonance imaging
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