The patient is a 12-year-old male who has experienced recurrent perianal abscesses for over 10 years, along with recurrent oral ulcers and deformities in the joints of hands and feet. Gastrointestinal endoscopy and capsule endoscopy revealed multiple ulcers in the digestive tract. Combined with his histopathological examinations, the patient was diagnosed with Crohn's disease. Whole exome sequencing and peripheral blood karyotype analysis indicated a karyotype of 47,XY,+8. The patient was treated with a "step-up" strategy. His clinical symptoms were under control, with significant improvement observed during endoscopic examination. This case suggests that early-onset inflammatory bowel disease may have genetic susceptibility, and when accompanied by other multi-system involvement, the possibility of chromosomal abnormalities, such as trisomy 8, should be considered and given due attention.
Key words
Crohn's disease /
Trisomy 8 /
Early-onset inflammatory bowel disease /
Perianal abscess /
Child
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