Chapter 48: Anus- Perirectal Abscess Flashcards
1
Q
What is it?
A
Abscess formation around the anus/rectum
2
Q
What are the signs/symptoms?
A
- Rectal pain
- drainage of pus
- fever
- perianal mass
3
Q
How is the diagnosis made?
A
Physical/digital exam reveals perianal/rectal submucosal mass/fluctuance
4
Q
What is the cause?
A
Crypt abscess in dentate line with spread
5
Q
What is the treatment?
A
As with all abscesses (except simple liver amebic abscess):
- drainage
- sitz bath
- anal hygiene
- stool softeners
6
Q
What is the indication for postoperative IV antibiotics for drainage?
A
- Cellulitis
- immunosuppression
- diabetes
- heart valve abnormality
7
Q
What percentage of patients develops a fistula in ano during the 6 months after surgery?
A
≈50%
