Which is an internal fistula example?

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Multiple Choice

Which is an internal fistula example?

Explanation:
Internal fistulas are abnormal channels that connect two internal hollow organs rather than opening to the skin. They allow contents to pass between internal surfaces inside the body. An enterocolonic fistula fits this description because it creates a tract between the small intestine and the colon, both inside the abdomen, with no external opening. In contrast, an enterocutaneous fistula reaches the skin and is considered external. Jejunorectal and rectovaginal are also internal connections between internal structures, but the key point is that enterocolonic clearly exemplifies a bowel-to-bowel internal fistula.

Internal fistulas are abnormal channels that connect two internal hollow organs rather than opening to the skin. They allow contents to pass between internal surfaces inside the body. An enterocolonic fistula fits this description because it creates a tract between the small intestine and the colon, both inside the abdomen, with no external opening. In contrast, an enterocutaneous fistula reaches the skin and is considered external. Jejunorectal and rectovaginal are also internal connections between internal structures, but the key point is that enterocolonic clearly exemplifies a bowel-to-bowel internal fistula.

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