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The prognostic significance of vascular invasion in stage T1 bladder cancer
Author(s) -
LOPEZ J.I.,
ANGULO J.C.
Publication year - 1995
Publication title -
histopathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.626
H-Index - 124
eISSN - 1365-2559
pISSN - 0309-0167
DOI - 10.1111/j.1365-2559.1995.tb00287.x
Subject(s) - stage (stratigraphy) , vascular invasion , bladder cancer , medicine , oncology , clinical significance , cancer , pathology , biology , paleontology
Transurethral resection specimens from 170 T1 bladder carcinomas were reviewed for the presence of vascular (blood vessel and/or lymphatic) invasion by tumour cells. Such a finding was noted in 17 cases (10%), and occurred most frequently in high grade tumours. Tumour recurrence was documented in 11 of these cases (65%), including seven patients who showed progression to more invasive disease (T2–T4) and six patients (55%) who died of disease. Five‐year survival for cases without vascular invasion was 81% versus 44% for those with. This was a statistically significant difference (log‐rank, P = 0.004). Neoplasms of high grade (grades 2 to 3), without a papillary configuration, and exceeding 5 cm were associated with vascular invasion (chi‐squared: P < 0.001, P = 0.043, and P = 0.061 respectively). In multivariate analysis vascular invasion proved to be an independent prognostic factor (Cox's regression, P = 0.015). We therefore stress the clinical relevance of a thorough evaluation of the state of vascular invasion in stage T1 bladder cancer.