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[Postoperative pelvic lymphocele: demonstration by lymphoscintigraphy]
Y Hayashi1, T Matsumoto, H Matsuki
1Department of Radiology, Faculty of Medicine, University of Tokushima.
Kaku Igaku. the Japanese Journal of Nuclear Medicine
|February 1, 1994
Summary
Lymphoscintigraphy effectively detects postoperative lymphoceles larger than 2 cm. Delayed imaging enhances detection accuracy for these fluid collections, aiding in surgical complication diagnosis.
Area of Science:
- Nuclear Medicine
- Radiology
- Surgical Complications
Background:
- Postoperative lymphocele is a recognized complication following various surgical procedures.
- Accurate diagnosis and localization of lymphoceles are crucial for effective management.
- Conventional imaging methods may have limitations in characterizing these fluid collections.
Purpose of the Study:
- To evaluate the diagnostic utility of lymphoscintigraphy in identifying postoperative lymphoceles.
- To determine the sensitivity of lymphoscintigraphy based on lymphocele size.
- To assess the value of delayed imaging in lymphocele detection.
Main Methods:
- Lymphoscintigraphy was performed using technetium-99m human serum albumin (99mTc-HSA) in eleven patients with suspected postoperative lymphoceles.
- A total of 19 lymphoceles were evaluated.
- Correlation with computed tomography (CT) findings was performed.
Main Results:
- Lymphoscintigraphy successfully demonstrated 14 out of 19 postoperative lymphoceles.
- All lymphoceles with a short diameter of 2 cm or greater on CT were detected.
- Lesions smaller than 2 cm were not detected.
- Delayed scans showed greater utility than early scans for detection.
Conclusions:
- Lymphoscintigraphy is a valuable tool for detecting postoperative lymphoceles, particularly those measuring 2 cm or larger.
- Delayed imaging improves the diagnostic yield of lymphoscintigraphy for these collections.
- Further research may explore differentiating lymphocele types based on imaging patterns.