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Updated: Feb 10, 2026

Microscopic Cyst Resection for the Treatment of Patients Diagnosed with Epididymal Cyst
Published on: March 31, 2023
Case series of collapsed simple renal cysts potentially simulating cystic malignancy at CT
Apurva A Bonde1, Chenara Johnson1, Benjamin Addicott1
1Department of Diagnostic Radiology, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, L340, Portland, OR 97239, United States.
Abstract:
The radiological differential diagnosis for complex renal cysts seen at CT generally includes cystic malignancy or renal abscess. We have encountered five cases of complex-appearing renal cysts at CT where serial imaging and clinical outcome favored a diagnosis of a collapsed benign simple renal cyst. We present these cases to broaden the differential diagnosis for complex renal cysts seen at CT, highlighting the importance of careful correlation with prior imaging to assist in correct recognition of collapsed simple cysts and potentially allowing for conservative management or surveillance.
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