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BJU Int. 2005 Apr;95(6):786-90.

Correlation between clinical and pathological staging in a series of radical cystectomies for bladder carcinoma.

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1
Department of Urology, University of Verona, Italy.

Abstract

OBJECTIVE:

To analyse the rate of concordance between the clinical and pathological Tumour-Nodes-Metastasis staging systems in a homogeneous series of patients who had undergone radical cystectomy for locally advanced or recurrent multifocal superficial bladder carcinoma.

PATIENTS AND METHODS:

The clinical data of 156 patients who had undergone radical cystectomy and bilateral iliaco-obturator lymphadenectomy for bladder cancer in our department were analysed retrospectively. RESULTS The clinical stage of the primary tumour was carcinoma in situ in three patients (1.9%), cT1 in 67 (42.9%), cT2 in 70 (44.9%), cT3 in five (3.2%) and cT4 in nine (5.8%). Clinical lymph node involvement was detected in 19 patients (12.2%). The differences between clinical and pathological stages were statistically significant (P < 0.001), the concordance was moderate (kappa = 0.27, P < 0.001). Of the 70 patients with < or = cT1, 40 (57%) were reconfirmed as having pathological stage < or = T1; of the 70 with cT2, 16 (23%) had pT2 carcinoma. Of the 140 patients with clinically organ-confined (< or =T2) neoplasms, 70 (50%) had been understaged after radical cystectomy. The clinical and pathological systems were statistically overlapping for locally advanced cases only. Pathological lymph node involvement was diagnosed in 45 patients (28.8%); this was foreseen with pelvic computed tomography in 19 (12%) only (P < 0.001). All patients designated cN+ were also pN+.

CONCLUSION:

These data confirm the high risk of clinical understaging of both local extension of the primary tumour and lymph node involvement.

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