Crohn colitis

Lesional patterns

 Crohn granulomatous colitis
 Crohn active colitis
 lymphocytic colitis
 collagenous colitis

Differential diagnosis (#1354228#)

 X-linked or autosomal recessive chronic granulomatous diseases

 infectious colitis

• tuberculosis
• Actinomyces Israeli infection

 reaction to gold therapy
 metastatic cancer
 linitis plastica

Microscopy Video

References

 Rhodes JM, Campbell BJ. Inflammation and colorectal cancer: IBD-associated and sporadic cancer compared. Trends Mol Med. 2002 Jan;8(1):10-6. PMID: #11796261#

 Goldstein NS, Gyorfi T. Focal lymphocytic colitis and collagenous colitis: patterns of Crohn’s colitis? Am J Surg Pathol. 1999 Sep;23(9):1075-81. PMID: #10478667#

 Goldblum JR, Wang N. Lymphocytic and collagenous colitis as possible patterns of Crohn’s colitis. Am J Surg Pathol. 2000 May;24(5):755-6. PMID: #10800997#