differential diagnosis of a terminal ileitis

The differential diagnosis for a terminal ileitis is quite extensive, and includes:

• inflammatory bowel disease
  • Crohn disease (most common)
  • backwash ileitis due to ulcerative colitis
• infectious colitis
  • Yersinia spp. 
    • Yersinia enterocolitica
    • Yersinia pseudotuberculosis
  • Salmonella spp.
    • ​Salmonella enterica serotype Typhi (typhoid fever)
  • Clostridioides difficile
  • typhlitis (neutropenic enterocolitis)
  • Mycobacterial spp.
    • Mycobacterium tuberculosis
    • Mycobacterium avium
  • Actinomycosis
  • Anisakiasis
  • Cytomegalovirus
  • Histoplasma capsulatum
• spondyloarthropathies
  • ankylosing spondylitis
  • reactive arthritis
  • psoriasis
• small bowel ischemia
• radiation enteritis
• vasculitides
  • systemic lupus erythematosus (SLE)
  • polyarteritis nodosa (PAN)
  • Henoch-Schönlein purpura
  • Behçet disease
  • other vasculitides:
    • Churg-Strauss syndrome
    • rheumatoid arthritis
    • granulomatosis with polyangiitis
    • lymphomatoid granulomatosis
    • giant-cell arteritis
    • Takayasu arteritis
    • thromboangiitis obliterans
• small-bowel neoplasms
  • adenocarcinoma of the small bowel (or cecum)
  • lymphoma: lymphoma of terminal ileum
  • carcinoid tumor
  • metastatic cancer
• drug-related
  • NSAID enteropathy: isolated terminal ileal ulcerations (ITIU)
  • other drugs: potassium chloride tablets, parenteral gold therapy, oral contraceptives, ergotamine, digoxin, diuretics, antihypertensives
• infiltrative
  • eosinophilic gastroenteritis (EG)
  • sarcoidosis
  • amyloidosis
  • systemic mastocytosis
• endometriosis
• lymphoid nodular hyperplasia

Siehe auch:

• Polyarteriitis nodosa
• Morbus Bechterew
• Sarkoidose
• Morbus Crohn
• Vaskulitis
• Morbus Behçet
• Granulomatose mit Polyangiitis
• Amyloidose
• Karzinoid
• Colitis ulcerosa
• systemischer Lupus Erythematodes
• Churg-Strauss-Syndrom
• Enteroklysma
• Dünndarmischämie
• Chronisch-entzündliche Darmerkrankungen
• Endometriose
• Takayasu-Arteriitis
• mycobacterium tuberculosis
• adenocarcinoma of the small bowel
• Endangiitis obliterans
• CT enteroclysis
• backwash ileitis
• Riesenzellarteriitis
• neutropene Enterokolitis
• neutropene Enterokolitis
• lymphomatoid granulomatosis
• MR Sellink
• radiation enteritis
• Clostridium difficile
• IgA-Vaskulitis

und weiter:

• Appendizitis
• Crohn's disease with sacroiliac joint ankylosis
• pseudosacculations in Crohn disease
• Lymphadenitis mesenterialis
• Zökumperforation
• terminal ileum involvement in Crohn's disease
• Crohn's disease of the ileum
• Morbus Crohn des Duodenums