Nephrectomy for infected stag horn calculus confounded by the presence of squamous cell carcinoma

Squamous cell carcinoma of kidney is a rare tumour of the many tumours seen in the kidney. It is usually associated with chronic irritation by a foreign body, which is mostly a stag horn calculus. Diagnosis of carcinoma in the presence of stag horn calculus is bizarre as it is seen in only <1% of patients. After imaging in this patient, the lymph nodes were enlarged and showed necrosis, which favoured the diagnosis of tuberculosis in a country where it is endemic. The pathological examination after surgery has amazed us by the presence of squamous cell carcinoma with lymph nodes positive with metastasis to vertebrae as the patient has presented to us with all symptoms of infection like pain and fever, which never made us think about malignancy preoperatively.

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