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GI > Rectal Diseases > Flashcards

Rectal Diseases Flashcards

1
Q

MCC of a perirectal abscess?

A

obstructed anal crypt gland

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2
Q

Order a ____ if youre unsure if its a perirectal abscess or not

A

CT

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3
Q

Risk factors for perirectal abscess?

A

Crohns
DM
Chronic steroid use
Malignancy
Radiation fibrosis
Trauma

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4
Q

Unlike External hemorrhoids, pain is _____ in internal hemorrhoids?

A

uncommon

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5
Q

External hemorrhoids are _____ the dentate line and drain into the IVC

A

below

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6
Q

Is portal HTN more of a concern with internal or external hemorrhoids?

A

internal

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7
Q

Hemorrhoids - non-Sx trmnt

A

Incr fiber and water
stop straining on the toilet
be more active
Topical analgesics and steroids
Stool softeners

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8
Q

Hemorrhoids - Sx trmnt options?

A

I&D if thromboses
Rubber band ligation
Sclerotherapy
Infared Coagulation

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9
Q

Obstructed anal crypt glands lead to _____
Infected anal crypt glands lead to ______

A

Obstructed -> Perirectal abscess
Infected -> Anorectal Fistula

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10
Q

Where are crypt glands in the anal canal?

A

at the level of the dentate line

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11
Q

Initial study of choice for anorectal fistula?

A

Transanal US

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12
Q

Pt with crohns presents with rectal pain with defecation, drainage of purulent material, pruitus, a fluntuant area with an early abscess, and appears febrile. Concern for?

A

Anorectal fistula

infected anal crypt gland

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13
Q

Anorectal fistula trmnt

A
  • Fistulotomy
  • Seton with endorectal advancement flap
  • Fibrin glue
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14
Q

what is an anal fissure?

A
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15
Q

Risk factors of Anal fissures?

A

Constipation, Diarrhea, Vaginal delivery, Anal sex, Malignancy, Cancer, Infx

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16
Q

Anal fissure trmnt

A

4wk Trmnt (>80% success)
Topical nifedipine (CCB)
Topical analgesics
Stool softener
Sitz bath
Increase fiber

Symp >8wks = Colonoscopy referral

17
Q

Study of choice for Hirschprung dz

A

Rectal Bx - shows absence of ganglion cells

18
Q

Trmnt for Hirschprung’s dz?

A

Sx resect the affect areas

19
Q

What is Small Left Colon Syndrome (AKA Meconium Plug Syndrome)?

A

Nothing wrong with bowel itself; poor gut motility
Transient functional colonic obstruction of the newborn
Decreased gut motility

20
Q

Study of choice for Small Left Colon Syndrome?

A

Contrast enema

21
Q

Trmnt for Small Left Colon Syndrome?

A

Enema
Rectal Stimulation

Self-limiting

22
Q

Risk factors for Small Left Colon Syndrome?

A

Child of mom with DM
Cystic fibrosis
Males

GI (19 decks)

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