A CLINICO.PATHOLOGICAL STUDY OF ANAL FISTULAE

Anal Fbuh .
Revicv of Literelure
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Intersphincteric abscess with or without fistulotrs connectiort' ohronic
and complex abscesseg are seen to bE more common in ccnter of disease
control group III &IV.
Severe progressive sepsis has been reported in AIDS patients but
doesn't seem to be common finding (Sim, 1988).
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n- f a m;jt jgjtfe c t i on s.
l- Amoebiasis:
Caused by entamoeba histolitica. The lesion are maximally met
whinin the caecum and the rectwn which comprise the main primary sites
(Etwi and Anwer, 1967). Spreading of amoebic infection to perianal
region after operation or traumatic injwies can occur in patient with
chronic intestinal amaebiasis (Nevin,I 947).
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Nen+ich and Maskatt (1946) had noted an amoebic ulcer of buttock
connected to a para rectal abscess
2- Bilharziasis
is ccnsidered uncomrnon underlying factor in pathogenesis of fistulain-ano.
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Peri anal fistulae occur either by suppuration of subcutaneous deposits
of bilhanial ova which oscur mainly in perineurn, ischiorectal fossae and
buttocks and this tacks inwards into urethra or recturn resulting in urinary
or anal fistulae or less comrnonly by septic infection of bilharzial ulcer of
rectum which tracks tluough the perirectal tissue to the skin.
rt.
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