Classification of degree of protrution of internal heamorrhoids.
1st degree –
2nd degree – prolapse outside the anal canal upon straining to defecate but reduce spontaneously.
3rd degree – protrude upon straining and must be reduced manually.
1. Sliding down of part of the lining of anal canal as a result of stretching or damage to the submucosa.
2. Erect posture, sphincter spasm and fecal impaction prone to produce venous congestion.
3. Anal cushions consists of erectile like tissues with prominent arteriovenous connections and the fundamental defect is one of increased tone in anal sphincter.
4. Prolapse of anal musoca.
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