Whetstone or gravel stone formation in the digestive tract

Epilation is a common cause of the formation of digestive tract rubble or gravel. The patient forcibly removes his hair by using his hands or by using iron clips and tweezers. The epilation site is fixed in the same patient, but the epilation site varies from patient to patient. It is more common in the forehead, frontotemporal, and occipital hair, but eyebrows, eyelashes, armpit hair, and pubic hair can also be affected. The hair that has been regenerated after plucking is still plucked repeatedly. The scalp often has large hair loss, like alopecia areata, but the borders are irregular, and there are often residual hair and broken hair at the hair loss site. Older patients denied their plucking behavior. Hair plucking often occurs during bed rest, reading, watching TV, or doing homework, and symptoms can be persistent or intermittent. Some patients tear hair with their hands or cut hair with scissors, which is called trichpryptomania. Patients who pluck and eat their own hair are called trichotillophagimania. Swallowed hair can cause abdominal pain, anorexia, constipation, and formation of hair stones or feces in the digestive tract, resulting in intestinal obstruction, intestinal perforation, intestinal bleeding, Complications such as acute pancreatitis and obstructive jaundice.

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