Extraintestinal disease may be associated with Crohn's diseaseBMJ 1998; 317 doi: https://doi.org/10.1136/bmj.317.7153.282a (Published 25 July 1998) Cite this as: BMJ 1998;317:282
- Joanna Barnes, General practitioner,
- Nick Barnes ([email protected]), Consultant paediatrician
- Sawston Medical Practice, Sawston, Cambridge CB2 4LB
- Addenbrooke's Hospital, Cambridge CB2 2QQ
EDITOR—A Grand Round discussed a boy who presented with cervical adenitis due to Mycobacterium paratuberculosisand later developed symptoms typical of Crohn's disease.1This sequence of events seemed unlikely to be unique; we therefore reviewed the full general practice medical records of 21 patients with Crohn's disease and 21 controls (matched for age, sex, and first letter of the surname) attending Sawston medical practice, a semirural practice of 12 500 patients.
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