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Renal hydatid cyst mimicking malignancy: a case report
Maryam Maghbool1, Mohammad Reza Dehghani2, Babak Samizadeh1
1Clinical Research Development Unit of Valiasr Hospital, Fasa University of Medical Sciences, Fasa, Iran.
International Journal of Surgery Case Reports
|June 15, 2025
Summary
Renal hydatid cysts, rare but challenging, can mimic tumors. Early diagnosis and surgical management are key, with postoperative albendazole crucial for preventing recurrence of this Echinococcus granulosus infection.
Area of Science:
- Nephrology
- Parasitology
- Radiology
Background:
- Hydatid disease, caused by Echinococcus granulosus, predominantly affects the liver and lungs, with renal involvement being uncommon.
- Renal hydatid cysts are frequently misdiagnosed as renal malignancies due to similar imaging characteristics.
Observation:
- A 59-year-old woman presented with flank pain and hematuria, showing a large cystic lesion with calcifications on imaging, initially suspected as malignancy.
- The patient underwent nephrectomy, with histopathology confirming a renal hydatid cyst.
Findings:
- Surgical resection is the primary treatment for suspected renal hydatid cysts, especially when malignancy is a concern.
- Postoperative albendazole therapy is vital for preventing cyst recurrence, a measure not administered preoperatively in this case due to misdiagnosis.
Implications:
- This case highlights the critical need to include hydatid disease in the differential diagnosis of renal cystic lesions.
- Accurate diagnosis, timely surgical intervention, and appropriate postoperative medical management are essential for favorable outcomes and preventing complications.
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