Key result
Right nephrectomy successfully treats a rare renal leiomyosarcoma with good recovery at two months.
Case Report (n=1)
No
Renal leiomyosarcoma is a rare entity that should be considered in the differential diagnosis of renal tumors, particularly in older females, and requires immunohistochemistry for definitive diagnosis.
Single case supports nephrectomy feasibility in renal leiomyosarcoma; leaves open long-term outcomes and management guidelines.
Primary sarcomas constitute only 1-2% of malignant renal tumours in adulthood and of these leiomyosarcomas account for 50-60%.We describe here a case of renal leiomyosarcoma in an elderly woman, presenting with abdominal lump, anorexia and weight loss for 3 months.Based on CECT abdomen findings, a presumptive differential diagnosis of sarcomatoid variant of renal cell carcinoma/ renal sarcoma was made.Microscopy reflected a malignant spindle cell neoplasm which showed strong reactivity for smooth muscle actin with negative epithelial markers, thereby confirming the diagnosis of renal leiomyosarcoma.To conclude the entity of renal sarcoma should be taken in to consideration while evaluating renal tumours, particularly in older females, owing to their aggressive nature and low survival rates.
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Babu et al. (2014) conducted a case report in Renal leiomyosarcoma (n=1). Right nephrectomy was evaluated on Post-operative recovery and survival. A 65-year-old female with a rare renal leiomyosarcoma was successfully treated with right nephrectomy and remained well at 2 months follow-up.
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