Subtotal Colectomy

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Features

-  Amount on colon resected depends on site of lesion & blood supply

-  Colon is supplied by superior mesenteric a. (SMA), inferior mesenteric a. (IMA) & bracnhes on internal iliac a.

-   SMA: middle colic a., right colic a., ileocolic a.

-   IMA: left colic a., sigmoid a., sup. rectal a.

-   Internal Iliac: inferior & middle rectal a.

 

Indications

-  Bowel Ca

 

Procedures

-  Right Hemicolectomy

-  Left Hemicolectomy

-  Transverse Hemicolectomy

-  Sigmoid Colectomy (High Anterior Resection)

-  Low Anterior Resection

-  Ultra Low Anterior Resection

-  Abdominopelvic Resection

 

 

 

Right Hemicolectomy

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-  Caecum & descending colon removed

-  +/- terminal ileum

-  Area supplied by right colic & iliecolic a.

 

 

 

 

Left Hemicolectomy

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-  Descending colon

-  Area supplied by left colic a.

 

 

 

 

Transverse Hemicolectomy

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-  Transverse colon

-  Area supplied by middle colic a.

 

 

 

 

Sigmoid Colectomy (High Anterior Resection)

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-  Sigmoid colon +/- proximal rectum

 

 

 

 

Low Anterior Resection

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-  Sigmoid colon & proximal 2/3 of rectum

 

 

 

 

Ultra Low Anterior Resection

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-  Sigmoid colon & rectum

 

 

 

 

Abdominopelvic (AP) Resection

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-  Rectum & anus

-  Leaves permanent stoma (colostomy)