Capsule endoscopy in non-steroidal anti-inflammatory drugs-enteropathy and miscellaneous, rare intestinal diseases

Table 1 Intestinal diseases with lesions similar to Crohn's disease, ranked by order of frequency

	Frequency
Crohn's disease	++++
Drug-related injuries (NSAIDs)	+++
Mesenteric ischaemia	++
Coeliac disease (jejunitis)	++
Cryptogenic multifocal ulcerous stenosing enteritis	+
Radiation enteritis	+
Lymphoma, ulcerated cancer	+
Vasculitides (lupus, polyarthritis, PAN)	+
Behçet's disease	+/-
Eosinophilic enteritis	+/-
Infections (CMV, Whipple, yersinia etc)	+/-

Table 2 Common variable immunodeficiency disorder: Clinical manifestations

Gastrointestinal signs	Extra-intestinal signs
Giardia lamblia infection	Recurrent respiratory tract infections
Small bowel bacterial overgrowth	Increased risk of lymphomas
Viral and infectious diarrhoea	Increased risk of gastric cancer
Coeliac disease
Frequent nodular lymphoid hyperplasia, not premalignant

Table 3 Frequency of digestive manifestations of vasculitides and connective tissue diseases (adapted from Muller-Ladner[32])

Disease	Frequency of digestive manifestations
Primary vasculitides
Periarteritis nodosa.	30%-50%
Churg-Strauss Syndrome	25%-50%
Behçet’s disease	Up to 30%
Takayasu’s arteritis	Up to 15%
Wegenre’s disease (granulomatosis)	5%-10%
Lymphomatous granulomatosis	1.5%
Horton’s disease	1%
Henoch-Schönlein purpura	50%-90%
Secondary vasculitides
Systemic lupus erythematosus	Up to 50%
Rheumatoid arthritis	Up to 10%
Connective tissue disorders
Systemic sclerosis	75%-90%
Systemic lupus erythematosus (except vascular lesions)	25%