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Intestinal Epithelial Regeneration in Response to Ionizing Irradiation
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Radiation-induced recurrent intestinal pseudo-obstruction.

J L Conklin, S Anuras

    The American Journal of Gastroenterology
    |June 1, 1981
    PubMed
    Summary

    This study describes a rare case of intestinal pseudo-obstruction caused by pelvic radiation therapy. This condition mimics bowel obstruction but lacks a physical blockage, highlighting a potential long-term complication of radiation treatment.

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    Area of Science:

    • Gastroenterology
    • Oncology
    • Radiology

    Background:

    • Intestinal pseudo-obstruction presents as symptoms of bowel obstruction without a mechanical blockage.
    • Radiation therapy, particularly to the pelvis, can cause long-term gastrointestinal complications.
    • Understanding radiation-induced motility disorders is crucial for patient management.

    Observation:

    • A 74-year-old woman experienced chronic diarrhea, abdominal pain, nausea, and vomiting.
    • Symptoms mimicked bowel obstruction, with imaging showing dilated small bowel loops but no mechanical obstruction.
    • Episodes resolved with conservative management, and secondary causes were excluded.

    Findings:

    • The patient's symptoms were attributed to intestinal pseudo-obstruction following a high-dose pelvic radiation in 1954.
    • This case represents the first documented instance of radiation-induced intestinal pseudo-obstruction.
    • Experimental studies support radiation-induced motility abnormalities, but clinical reports are lacking.

    Implications:

    • This case highlights a previously unreported complication of pelvic radiation therapy.
    • Clinicians should consider radiation-induced intestinal pseudo-obstruction in patients with a history of pelvic radiation and obstructive symptoms.
    • Further research is needed to elucidate the mechanisms and long-term effects of radiation on intestinal motility.