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SA Sx > Rectal Sx- Exam 2 > Flashcards

Rectal Sx- Exam 2 Flashcards

1
Q

What is the difference of a complete vs. incomplete rectal prolapse?

A

Complete: all layers
Incomplete: mucosal layer

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2
Q

What test is performed to determine if the problem is rectal prolapse or intussusception?

A

Probe test

If probe is passed –> intussusception, emergency sx required

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3
Q

What kind of suture should be placed in a rectal prolapse?

A

Purse string suture-can leave for three days

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4
Q

What is indicated if there is recurrent rectal prolapse or perineal hernia?

A

Colopexy

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5
Q

What are the three sx approaches to rectum/colorectal junction?

A

Anal
Dorsal approach
Rectal Pull-through

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6
Q

What does the anal sx approach invovle?

A

Caudal rectum or anal canal

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7
Q

What does the dorsal approach involve?

A

Midrectum- NOT anal canal

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8
Q

What is a type of rectal pull-through?

A

Swenson’s pull through: lesions extending beyond peritoneal reflection into abdominal cavity (combines anal and ventral approach)

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9
Q

The transanal approach is limited to lesions located where?

A

caudal 4-6 cm of rectum

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10
Q

What are examples of the benign colorectal neoplasia?

A

Adenomatous polyps, leiomyoma, fibroma

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11
Q

What are examples of malignant colorectal neoplasia?

A

Adenocarcinoma, leiomyosarcoma, lymphosarcoma

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12
Q

What are CS of colorectal neoplasia?

A

Hematochezia

Tenesmus/dyschezia, visible mass

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13
Q

What is the most common site for colorectal neoplasia?

A

Distal rectum

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14
Q

What is the common presentation for colorectal neoplasia?

A

Polypoid, sessile and multiple

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15
Q

What type of forceps are used when performing a rectal biopsy?

A

Babcock forceps- atraumatic

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16
Q

What are the three sx approaches for neoplasia resection?

A

Transanal, dorsal approach and mucosal resection

17
Q

Where does colorectal adenocarcinoma mets to?

A

Regional LN and liver

18
Q

Where does the anal sac lie?

A

Within the external anal sphincter m.

Can cause temporary weakness leading to diarrhea

19
Q

When is the closed vs. open anal sacculectomy indicated?

A

Closed: tumors (foley catheter can be used)
Open: not common, ruptured anal sac, go right through duct

20
Q

What is the more common perineal tumor for intact males?

A

Adenomas

Testosterone predispositino

21
Q

B9 perineal tumors have a good prognosis if what is performed?

A

Castration and resection

22
Q

T/F: You can completely remove an anal sac tumor?

A

FALSE

23
Q

What breed typically has perianal fistula and what is the most likely problem?

A

GSD

Immune mediated cause

24
Q

What are the medical management options for perianal fistula?

A

Diet (high fiber)
Cyclosporine
+/- Ketoconazole, glucocorticoids, tacrolimus, azathioprine, metronidazole

SA Sx (22 decks)

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