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[Invagination in adults]
Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|April 1, 1993
Summary
Adult intussusceptions are rare but increasingly diagnosed preoperatively with advanced imaging. Sonography, CT, and barium studies aid in identifying acute and chronic cases, with CT offering pathognomonic signs.
Area of Science:
- Gastroenterology
- Radiology
- Abdominal Imaging
Background:
- Intussusception is uncommon in adults, unlike in children.
- Advances in imaging modalities have improved preoperative diagnosis rates.
- Distinguishing between acute and chronic adult intussusception can be challenging.
Purpose of the Study:
- To review the diagnostic approaches for adult intussusception.
- To highlight the role of various imaging techniques in diagnosis.
- To describe characteristic imaging findings for acute and chronic forms.
Main Methods:
- Review of imaging findings from sonography, CT, and barium examinations.
- Correlation of imaging findings with operative or pathological diagnoses.
- Emphasis on characteristic signs such as "duck bill" narrowing for chronic cases.
Main Results:
- Adult intussusception is now diagnosed more frequently before surgery.
- Sonography and barium studies can diagnose acute intussusceptions.
- CT scans provide pathognomonic appearances for intussusception.
- Chronic cases may present diagnostic challenges due to edema, with "duck bill" narrowing as a key sign.
Conclusions:
- Increased use of advanced imaging facilitates earlier diagnosis of adult intussusception.
- Specific imaging modalities offer distinct diagnostic capabilities for acute and chronic intussusception.
- Radiological signs are crucial for differentiating between acute and chronic presentations and guiding management.