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J Urol. 2011 Jan;185(1):24-9. doi: 10.1016/j.juro.2010.08.092. Epub 2010 Nov 12.

Transcription factor E3 and transcription factor EB renal cell carcinomas: clinical features, biological behavior and prognostic factors.

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Department of Medicine, Institut Gustave Roussy, Villejuif, France.



Translocation renal cell carcinomas represent a distinct clinicopathological entity. Studying the natural history, biological behavior and potential prognostic factors are crucially warranted.


We selected 54 patients with renal cell carcinoma with positive nuclear transcription factor E3 and transcription factor EB expression from the Juvenile RCC Network. Recurrence-free survival and overall survival were assessed.


Median patient age was 24 years (range 1 to 64) and the male-to-female ratio was 1:1.4. At diagnosis 35 patients (65%) had local disease while 19 (35%) presented with distant metastases. The latter patients were older (median age 36 years) and predominantly male (male-to-female ratio 2) whereas the former group had a median age of 16 years and a male-to-female ratio of 1:2.5. Overall 36 patients underwent complete tumor resection and of these 8 had recurring cancer. On univariate analysis only lymph node involvement and American Joint Committee on Cancer stage were associated with poor recurrence-free survival. When stratified according to lymph node status age 25 years or older was found to predict relapse (p = 0.03). With a median followup of 19.2 months (range 1 to 58) 3-year overall survival was 14.3% in patients with distant metastasis and 70.6% in those without distant metastasis. Distant metastasis developed in the 2 patients with ASPSCR1-TFE3 fusion vs 1 of 11 with other fusion genes.


Transcription factor E3 and transcription factor EB renal cell carcinoma display different clinical behavior according to gender and age. Lymph node involvement represents the only factor that predicts recurrence. ASPSCR1-TFE3 might be the most aggressive among the transcription factor E3 fusion genes.

[Indexed for MEDLINE]

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