Chromosomal Changes in Transitional Cell Carcinoma of the Bladder (Preliminary Report) / 대한비뇨기과학회지

3 cases of transitional cell carcinoma were subjected to detailed cytogenetic analysis. All three were superficial (T1G I , T1G III, T1G I). Case 1 and case 3 (all T1G I) had diploidy modal chromosomal number but case 2 (TtGIII) had partly triploidy and tetraploidy chromosome. Case 3 showed marker chromosomes and in case 2 and 3, breakage of long arm of the second chromosome was seen.