Large Intestine Surgery- Exam 1 Flashcards
What supplies the majority of the blood supply to the Large Intestine?
Cranial mesenteric artery - ileocolic - Right and Middle Colic Caudal mesenteric artery - Left colic, Cranial rectal
Colotomy
Incision into the colonic lumen
Colectomy
Partial or complete resection of the colon
Colopexy
surgical fixation of the colon
Colostomy
Creation of an artificial opening into the colonic lumen
What is the medical treatment of megacolon?
Evacuate colon, meds, enemas, digital evacuation
- Antibiotics
- Osmotic laxatives
- Prokinetic drugs
What are the surgical methods of treatment for a Megacolon?
- Removal of entire colon except short segment needed to re-establish intestinal continuity
- Subtotal colectomy
Ileocolic anastomosis
Colocolic anastamosis
Tephlectomy
Removal of cecum
What are indications for a colopexy
chronic rectal prolapse
Recurrent perineal hernia
What is the term for the removal of an anal sac
anal sacculectomy
What is medical management of perianal fistula
cyclosporine
What is the best route for anal sacculectomy if you suspect a neoplasia
Closed approach- there is less risk of contamination
What is the most common anal neoplasia
perianal adenoma =80%
Anal sac adenocarcinoma
Common in older dogs, and had a high metastatic rate
Hypercalcemia of malignancy is a secondary symptom
what is the term for lack of anus
Atresia ani