Crohn's disease pathology outlines: what the findings mean

A pathology report may describe inflamed tissue, ulcers, swelling, or changes in the bowel lining. Crohn's disease can affect separate areas with normal-looking tissue between them, and inflammation may extend beyond the surface lining. These features help a clinician combine biopsy results with symptoms, examination, imaging, and other tests. A biopsy alone does not always establish the diagnosis, because several bowel conditions can cause similar microscopic changes.

Common presentations include abdominal pain and diarrhoea, sometimes with tiredness, reduced appetite, or weight change. Abdominal pain is a common presentation of Crohn's disease, but abdominal pain by itself does not establish Crohn's disease.

Take the report to a GP or gastroenterology appointment and ask which findings are definite, which are only suggestive, and whether the sample came from more than one bowel area. A clinician may review medicines, stool symptoms, examination findings, blood results, and the reason the endoscopy was performed. Do not stop prescribed treatment based on a report phrase alone. Keep a record of bowel frequency, pain, visible blood, fever, food triggers, and any change in weight.

Arrange prompt medical assessment for persistent diarrhoea, worsening abdominal pain, blood in the stool, fever, repeated vomiting, or difficulty keeping fluids down. Seek urgent care for severe or rapidly increasing pain, a swollen abdomen with vomiting, faintness, confusion, or signs of dehydration such as very little urine. These warning features need assessment regardless of whether a pathology report has already been issued.

Ask: Which report terms support Crohn's disease? Could another condition explain them? Do I need a Blood Test or further bowel assessment? What symptoms should prompt a GP Consultation? How will we monitor inflammation and response to treatment?