Abstract #4128
Perianal Imaging in Pediatric IBD - 1.5T versus 3T
Mary-Louise C Greer 1,2 , Zehour Alsabban 1 , Ryan Lo 3 , Rahim Moineddin 4 , Peter Church 5 , Thomas D Walters 3,5 , Jacob C Langer 3,6 , and Anne Griffiths 3,5
1
Diagnostic Imaging, The Hospital for Sick
Children, Toronto, Ontario, Canada,
2
Medical
Imaging, University of Toronto, Toronto, Ontario,
Canada,
3
University of Toronto, Ontario,
Canada,
4
Department
of Family and Community Medicine, Dalla Lana School of
Public Health University of Toronto, Ontario, Canada,
5
Gastroenterology,
Hepatology and Nutrition, The Hospital for Sick
Children, Ontario, Canada,
6
Division
of General Surgery, The Hospital for Sick Children,
Ontario, Canada
Hypothesizing pelvic MRI in children is comparable in
detecting perianal disease when performed at 1.5T and
3T, 133 pelvic MRI performed using standard perianal
technique at 1.5T and/or 3T in 94 children with
pediatric inflammatory bowel disease (PIBD) were
retrospectively reviewed by two radiologists for
perianal fistulae and abscesses. Similar frequencies,
types and location of perianal disease were detected in
both groups, validating imaging at either field
strength. A secondary aim, describing frequency of
perianal fistula types in PIBD using Parks criteria,
demonstrated a different frequency of fistula type in
children compared with adults, all either
trans-sphincteric or inter-sphincteric.
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