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Related Experiment Videos

Bladder tumours in Chinese: a 6 year study

K Y Lam1, A C Chan, K W Chan

  • 1Department of Pathology, Queen Mary Hospital, University of Hong Kong.

The Australian and New Zealand Journal of Surgery
|August 1, 1994
PubMed
Summary
This summary is machine-generated.

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Transitional cell carcinoma (TCC) is the most common bladder tumour in Chinese patients, often presenting as papillary TCC. Most TCC cases were muscle-invasive, with papillary types typically diagnosed at earlier stages.

Area of Science:

  • Urology
  • Oncology
  • Pathology

Background:

  • Bladder tumours are a significant health concern globally.
  • Transitional cell carcinoma (TCC) is the predominant histological type of bladder cancer.
  • Understanding the demographics and pathological features of bladder tumours is crucial for effective treatment.

Purpose of the Study:

  • To retrospectively analyze the clinicopathological features of bladder tumours in Chinese patients.
  • To determine the prevalence of different histological subtypes, grades, and stages of bladder tumours.
  • To investigate the association between tumour type and stage, and to document co-existing prostatic pathologies.

Main Methods:

  • Retrospective analysis of surgical specimens from 334 Chinese patients with bladder tumours.

Related Experiment Videos

  • Histopathological classification and grading of tumours.
  • Staging of TCC specimens (n=102) using cystectomy data.
  • Documentation of tumour infiltration and co-existing prostate pathologies.

    • Main Results:

    • Transitional cell carcinoma (TCC) accounted for 91.3% of bladder tumours, with a male to female ratio of 3:1 and a mean age of 69 years.
    • Papillary TCC (67.5% of TCC) was more often lower grade and presented at an earlier stage compared to non-papillary TCC.
    • Of 102 TCC cystectomy specimens, 28% were superficial and 72% were muscle-invasive.
    • Prostate infiltration occurred in 11% of males, with 4.2% having coexisting adenocarcinoma.
    • Other rare types included squamous cell carcinoma, adenocarcinoma, small cell carcinoma, and sarcomatoid carcinoma.

    Conclusions:

    • TCC is the dominant bladder tumour type in this Chinese cohort, with papillary histology being common and often less advanced.
    • A significant proportion of TCC cases are muscle-invasive, highlighting the need for accurate staging.
    • Co-existing prostatic pathologies are observed in a notable percentage of male patients.