Hemorrhoids
Background

Internal and external hemorrhoids divided by pectinate (dentate) line
- Pathologic state cccurs when internal or external hemorrhoid plexus become engorged, prolapsed, or thrombosed
- Bleeding is usually limited (surface of stool, on toilet tissue, at end of defecation)
- Passage of blood clots requires evaluation for colon lesions
Types

Thrombosed external hemorrhoid
- Internal hemorrhoid
- Originate above the dentate line
- Painless
- External hemorrhoid
- Originate below the dentate line
- Painful
Internal hemorrhoid chart
Grade | Description | Diagram | Picture |
---|---|---|---|
I |
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II |
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III |
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IV |
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See Also
References
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