Crypt abscess

Crypt abscess is a collection of neutrophils in an intestinal crypt. On the spectrum of inflammatory changes, it is more severe than cryptitis but less severe than ulceration.

Crypt abscess. H&E stain.

Microscopic

Features:

• Neutrophils in the lumen of an intestinal crypt.

Notes:

• No minimum is defined for "neutrophils".^{[citation needed]}
• Usually seen with cryptitis.

Images

• 

  Crypt abscess - high mag.

• 

  Crypt abscess - very high mag.

See also

• Cryptitis.
• Inflammatory bowel disease.
• Infectious colitis.
• Ischemic colitis.