A rare renal neoplasm with dimorphic histology and mucinous stroma
Mucinous tubular and spindle cell carcinoma (MTSCC) is a rare and recently described histologic variant of renal cell carcinoma (RCC). Usually considered as a tumor of low malignant potential it is important to appreciate the characteristic histologic features to arrive at the correct diagnosis. We report a case of MTSCC in a female aged 54years who presented with a long standing vague loin pain. Diagnostic work-up showed a renal mass suggestive of RCC. With the preoperative diagnosis of RCC followed by nephrectomy showed a completely different histology of a rare tumour with tubules, spindle cells and mucinous stroma consistent with MTSCC, a low grade tumour with good prognosis.
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Annals of Pathology and Laboratory Medicine (APALM) is licensed under a Creative Commons Attribution 4.0 International License. Based on a work at www.pacificejournals.com/apalm.