Imaging Diagnosis of the Retained Surgical Sponge
Abstract
Background: As long as non-absorbable and radiolucent sponges are used, the preoperative diagnosis of this condition will continue to be a problem. The purpose of this study is to report the imaging findings of retained surgical sponges in 4 patients. The diagnosis was confirmed by operation in all cases.
Materials and Methods: The data collected between 1985 and 2001, included the patients' age, sex, type of operation, interval from previous operation, symptomatology and imaging finding.
Results: Three patients presented with abdominal mass and one patient with intestinal obstruction. The plain abdominal radiography showed whorl-like shadow in 2 cases. Ultrasonography demonstrated low echoic mass with echoic component and posterior acoustic shadow in 2 cases. One computed tomography examination was performed and showed well-defined outline of a mixed density mass with multiple air bubble inside.
Conclusion: Imaging diagnosis of the retained surgical sponge has rarely been reported. We wish to present the imaging approach and findings which may be beneficial to the patient. These may help radiologist and surgeon to establish an early diagnosis of this condition.
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