| Crohn's disease | |
|---|---|
| Other names | Crohn disease, Crohn syndrome, granulomatous enteritis, regional enteritis, Leśniowski-Crohn disease |
 |
|
| A preserved section of the terminal ileum, the cecum, and the ascending colon, all of which display signs of severe Crohn's disease | |
 |
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| The three most common sites of intestinal involvement in Crohn's disease (left) compared to the areas affected by ulcerative colitis (colitis ulcerosa, right) | |
| Specialty | Gastroenterology |
| Symptoms | Abdominal pain, diarrhea (may be bloody), fever, weight loss,[1] fatigue, mouth sores, reduced appetite[2] |
| Complications | Anemia, skin rashes, arthritis, bowel cancer[1] |
| Usual onset | 20–29 years[3] |
| Duration | Long term[1] |
| Causes | Uncertain |
| Risk factors | Genetic predisposition, living in a developed country,[4] stress,[5] tobacco smoking,[6] having undergone an appendectomy[7][8] or tonsillectomy[9] |
| Diagnostic method | Biopsy, medical imaging[1] |
| Differential diagnosis | Irritable bowel syndrome, celiac disease, Behçet's disease, nonsteroidal anti-inflammatory drug enteropathy, intestinal tuberculosis[1][10] |
| Medication | Corticosteroids, biological therapy, immunosuppressants such as azathioprine, methotrexate[1] |
| Prognosis | Slightly increased risk of death[11] |
| Frequency | 3.2 per 1,000 (developed world)[12] |
| Named after | |
| Crohn's disease | |
|---|---|
| Other names | Crohn disease, Crohn syndrome, granulomatous enteritis, regional enteritis, Leśniowski-Crohn disease |
|
|
| A preserved section of the terminal ileum, the cecum, and the ascending colon, all of which display signs of severe Crohn's disease | |
|
|
| The three most common sites of intestinal involvement in Crohn's disease (left) compared to the areas affected by ulcerative colitis (colitis ulcerosa, right) | |
| Specialty | Gastroenterology |
| Symptoms | Abdominal pain, diarrhea (may be bloody), fever, weight loss,[1] fatigue, mouth sores, reduced appetite[2] |
| Complications | Anemia, skin rashes, arthritis, bowel cancer[1] |
| Usual onset | 20–29 years[3] |
| Duration | Long term[1] |
| Causes | Uncertain |
| Risk factors | Genetic predisposition, living in a developed country,[4] stress,[5] tobacco smoking,[6] having undergone an appendectomy[7][8] or tonsillectomy[9] |
| Diagnostic method | Biopsy, medical imaging[1] |
| Differential diagnosis | Irritable bowel syndrome, celiac disease, Behçet's disease, nonsteroidal anti-inflammatory drug enteropathy, intestinal tuberculosis[1][10] |
| Medication | Corticosteroids, biological therapy, immunosuppressants such as azathioprine, methotrexate[1] |
| Prognosis | Slightly increased risk of death[11] |
| Frequency | 3.2 per 1,000 (developed world)[12] |
| Named after | |
