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A CLINICO.PATHOLOGICAL STUDY OF ANAL FISTULAE

A CLINICO.PATHOLOGICAL STUDY OF ANAL FISTULAE

A CLINICO.PATHOLOGICAL STUDY OF ANAL FISTULAE

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Anal Fbtula<br />

Review of Lileralure<br />

gup.tlty.tor<br />

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Fig (9): Coronal diagram of the para-rectal and para-anal spaces<br />

illustrating how an abscess can track posteriorly from one lateral space to<br />

gain access to contralateral space.<br />

t<br />

Blood Supnlv<br />

The major arterial blood supply,to rectum and anal canal is provided<br />

by superior and inferior hemonhoidal arteries whereas the middle rectal<br />

artery has variable contribution depending on the size of superior rectal<br />

artery<br />

Venous drainage<br />

l<br />

Venous drainage of rectum and anal canal runs with arterial supply,<br />

f)rainage tluough superior hemonhoidal vein is into the portal system,<br />

Drainage through middle, inferior hemorrhoidal veins is into internal<br />

iliac veins to inferior vena cave i.e. svstemrc<br />

I<br />

There are free anastomosis between all of these venous channels.

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