benign ano-rectal disease Flashcards Preview

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Flashcards in benign ano-rectal disease Deck (20):
1

epi of abscess fistula disease

- very common
- M>F
- painful mass around anus

2

MOA of abscess

crypts in anus get blocked
- bacteria can't drain
- expands into potential spaces

3

4 possible locations

1. perianal
2. ischiorectal
3. supralevator
4. horseshoe

4

treat of anal abscess

incision and drainage in ER or OR
- many dev. fistula

5

def. of fistula

abnormal connection b/w 2 epitelialized structues

6

2 types of hemorrhoids

1. internal
2. external

7

features of internal

- BRBPR
- drips, not mixed with stool
- PAINLESS
- diagnosis of exclusion until colonoscopy

8

path of hemm

straining or hard stoll leads to prolapsed tissues

9

3 treatments by increasing grades

1. fibre
2. banding
3. ectomy

10

Sx of external

1. PAIN - due to thrombosis
2. itch - due to skin tags

11

treatment of external

get better in 4 days

12

DDx of external

always rule out Ca

13

def. fissures

- small linear tear usually in post. midline

14

Sx of fissures

- pain with def.
- maybe blood on stool

15

3 treatments

1. oitment - diltiazem or nitro
2. botox
3. sphycterectomy

16

epi. of pruritis ani

1-5%
M>F
20-50

17

MOA of ass itch

itch > scratch > irritates > worse

18

2 etiology of itch

1ry - 90% unknown
2ry
- anal pathology that can be malig
- surgery
-- dermatitis

19

3 investigations for itch

1. inspect
2. DRE
3. rigid sigmoiscopy

20

mgmt of itch

1. diet
2. hygene - less is more
3. always follow-up for malig

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