benign ano-rectal disease Flashcards
1
Q
epi of abscess fistula disease
A
- very common
- M>F
- painful mass around anus
2
Q
MOA of abscess
A
crypts in anus get blocked
- bacteria can’t drain
- expands into potential spaces
3
Q
4 possible locations
A
- perianal
- ischiorectal
- supralevator
- horseshoe
4
Q
treat of anal abscess
A
incision and drainage in ER or OR
- many dev. fistula
5
Q
def. of fistula
A
abnormal connection b/w 2 epitelialized structues
6
Q
2 types of hemorrhoids
A
- internal
2. external
7
Q
features of internal
A
- BRBPR
- drips, not mixed with stool
- PAINLESS
- diagnosis of exclusion until colonoscopy
8
Q
path of hemm
A
straining or hard stoll leads to prolapsed tissues
9
Q
3 treatments by increasing grades
A
- fibre
- banding
- ectomy
10
Q
Sx of external
A
- PAIN - due to thrombosis
2. itch - due to skin tags
11
Q
treatment of external
A
get better in 4 days
12
Q
DDx of external
A
always rule out Ca
13
Q
def. fissures
A
- small linear tear usually in post. midline
14
Q
Sx of fissures
A
- pain with def.
- maybe blood on stool
15
Q
3 treatments
A
- oitment - diltiazem or nitro
- botox
- sphycterectomy
16
Q
epi. of pruritis ani
A
1-5%
M>F
20-50
17
Q
MOA of ass itch
A
itch > scratch > irritates > worse
18
Q
2 etiology of itch
A
1ry - 90% unknown 2ry - anal pathology that can be malig - surgery -- dermatitis
19
Q
3 investigations for itch
A
- inspect
- DRE
- rigid sigmoiscopy
20
Q
mgmt of itch
A
- diet
- hygene - less is more
- always follow-up for malig
