Home > C. Tissular pathology > Abcess


Wednesday 9 June 2004


Digital cases

- UI:989 : Pseudomonas abscesses of the kidney


- https://twitter.com/LinskeyKaty/status/720299532869701633

Definition: Abscesses are localized collections of purulent inflammatory tissue caused by suppuration buried in a tissue, an organ, or a confined space. They are produced by deep seeding of pyogenic bacteria into a tissue.

- Abscesses have a central region that appears as a mass of necrotic leukocytes and tissue cells. There is usually a zone of preserved neutrophils around this necrotic focus, and outside this region vascular dilation and parenchymal and fibroblastic proliferation occur, indicating the beginning of repair.

- In time, the abscess may become walled off and ultimately replaced by connective tissue.


- subcutaenous abcess
- pulmonary abcess
- hepatic abcess
- cerebral abcess
- pulmonary abcess
- subcutaneous abcess
- renal abcess
- peri-appendiceal abscess


- Peri-appendiceal abscess

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  • Subcutaneous abcess
  • Periappendicular abcess in appendicitis
  • Cryptic abcess in active Crohn colitis
  • Cryptic abcess in active Crohn colitis