Isolated Renal Hydatid Cyst Mimicking Renal Cell Carcinoma: A Diagnostic Dilemma
Published: June 1, 2012 | DOI: https://doi.org/10.7860/JCDR/2012/.2253
Anshu Gupta, Shivani Kalhan, Manish K Singhal, Onis Singhal, Viplesh Kaur
1. Associate Professor
2. Professor
3. Assistant Professor
4. Assistant Professor
5. Assistant Professor
NAME OF DEPART MENT(S)/INSTITUTION(S)
TO WHICH THE WORK IS ATTRIBUTED:
Department of Pathology, Saraswathi Institute of Medical Sciences,
Hapur, Ghaziabad, U.P., India.
Correspondence
Dr. Anshu Gupta
R13/27, Raj Nagar, Ghaziabad, UP, India - 201002.
Phone: 09999 66 5416
Email ID: amitanshu75@gmail.com
Context : Hydatidosis due to Echinococcus granulosus is a parasitic zoonosis with worldwide occurence. The most common locations are liver and lung. Occasionally, it may mimic intra abdominal tumour.
Aims: Hydatid disease of the urinary tract is uncommon, occurring in only 2 to 3% of all cases. This case is presented with the aim of highlighting a giant renal echinococcus cyst, misdiagnosed as renal malignancy on imaging.
Setting: The misdiagnosis of renal carcinoma was made in the case of a 65-year-old man.
Materials and Methods: The patient presented with colicky pain in right flank with fever, nausea and vomiting. Right kidney was palpable with leucocytosis and proteinuria.
X ray abdomen revealed ring calcifications in right upper quadrant. Ultrasonography (USG) and computerised tomography (CTshowed a soft tissue mass in right kidney.
Intravenous urography with conventional tomography 15 minutes after contrast demonstrated nil nephrogram in right kidney.
CT findings were suggestive of renal cell carcinoma.
Conclusions: Hydatid cyst can attain large dimensions and can easily be misdiagnosed as a tumour. Despite its rarity, hydatid disease should be considered in the differential diagnosis of renal space-occupying lesions.
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