Fistula Flashcards
1
Q
what is an anal fistula?
A
an abnormal connection between the anorectal lining and the perianal skin
2
Q
how does an anal fistula develop?
A
an anal abscess, which forms due to a blocked anal gland, leads to a persistent abnormal tunnel between the anal canal and the skin
3
Q
which condition is associated with an anal fistula?
A
crohn’s
4
Q
what are the symptoms of an anal fistula?
A
- pain
- erythema
- swelling
- ? pyrexia
- ? tachycardia
5
Q
what are the investigations for an anal fistula?
A
- DRE
- EUA
- ? MRI rectum
6
Q
what is the management of an acute perianal abscess?
A
- antibiotic
- incision + drainage
- ? seton
7
Q
what is the management of a ‘low’ fistula?
A
fistulotomy
8
Q
what is the management of a ‘high’ fistula?
A
- ‘cutting’ seton
- LIFT
9
Q
what are the long-term complications of an anal fistula?
A
- recurrence of abscesses
- incontinence
