Doctors from Missouri were surprised when they found a fly in a patient's intestine during a routine examination. Images taken during the colonoscopy showed that it was residing in the colon.
As reported by specialists in the American Journal of Gastroenterology, a 63-year-old patient had no idea how the fly ended up in his body. A few days before the examination, he had eaten pizza and salad, drank only clear liquids, and had not noticed any insects in his surroundings.
However, doctors suggest that the fly could have entered the intestine through the mouth or the rectum. There are, however, several nuances. If it had entered the body through the mouth, the enzymes of the upper digestive tract and stomach acid would have quickly destroyed it, making this option seem unlikely.
As for the theory of the fly entering through the rectum, it also raises doubts due to the peculiarities of human anatomy. According to doctors, the length of the opening would need to be sufficient for the fly to pass unnoticed and reach the curved part of the colon in the dark.
Of course, there is a possibility that the fly entered the patient's digestive tract after consuming food containing insect eggs or larvae. However, in such cases, people usually experience abdominal pain, vomiting, and diarrhea. Thus, it can be assumed that the described patient was one of those "lucky ones" who exhibit no symptoms.
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