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- W1490387618 abstract "Study Type – Therapy (individual cohort) Level of Evidence 2b What’s known on the subject? and What does the study add? Tumour enucleation was demonstrated to be an oncologically safe conservative treatment for small renal masses in agreement with the EAU guidelines. Nevertheless, the theoretical increased risk of positive surgical margins and local recurrence, led some authors to hypothesize a possible key role of laser or diathermy ablation of the tumour bed to free the kidney parenchyma from any tumour cells that extended in the kidney parenchyma. Our pathological and clinical results showed that tumour enucleation with no ablation of the tumour bed (e.g. diathermy, argon beam or Nd‐YAG laser) can ensure negative surgical margins and it is not associated with an increased risk of local recurrence. OBJECTIVE To prospectively evaluate the risk of positive surgical margins and local recurrence after blunt tumour enucleation (TE) with no ablation of the tumour bed. PATIENTS AND METHODS Between 2005 and 2007, data were gathered prospectively from 201 consecutive patients who had open TE with no ablation of the tumour bed. Overall, 164 consecutive patients had TE for single sporadic renal cell carcinoma (RCC). All patients had an abdominal computed tomography (CT) at the last follow‐up visit. RESULTS The pathological review showed that 70.2% of tumours were pT1a, 18.9% were pT1b, 1.8% were pT2 and 9.1% were pT3a. The mean (range, interquartile range) tumour greatest dimension was 3.5 (0.5–12.5, 2.4–4.1) cm. Although no deliberate attempt to resect normal parenchyma was performed, the pathological analysis showed the presence of a thin layer of parenchyma with a mean (range) thickness of 0.97 (0.31–1.60) mm, around the tumour. None of the patients had positive surgical margins. At a mean (median, range) follow up of 40 (38, 25–62) months, three (1.8%) patients had local recurrence, of whom one (0.6%) had a true local recurrence at the enucleation site detected 35 months after surgery, while two had kidney recurrence elsewhere associated with concurrent systemic metastases diagnosed 16 and 13 months after surgery. CONCLUSIONS TE with no ablation of the tumour bed is a safe technique with a local recurrence rate of 0.6%. The histopathological analysis showed the presence of a minimal tumour‐free surgical margin, although no deliberate attempt to resect normal parenchyma is performed." @default.
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- W1490387618 date "2010-12-16" @default.
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- W1490387618 title "Local recurrence after tumour enucleation for renal cell carcinoma with no ablation of the tumour bed: results of a prospective single-centre study" @default.
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- W1490387618 doi "https://doi.org/10.1111/j.1464-410x.2010.09949.x" @default.
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