Abstract:
OBJECTIVES:Our aim was to review our pathological archive to find out the actual incidence of micropapillary pattern (MPP) in our urothelial carcinoma patient population and determine its correlation with clinical outcome. PATIENTS AND METHODS:14 out of 170 cases with complete clinical follow-up were clinicopathologically analyzed. The extent of MPP was determined as tumor percentage. RESULTS:12 further cases with MPP were defined in the review. The percentage of patients with positive MPP increased in parallel to the tumor stage. There was no considerable difference between MPP-positive and MPP-negative groups according to the progression rates in non-muscle-invasive and muscle-invasive groups. Progression-free survival was much shorter in MPP cases, but again without statistical significance. Also, there was no significant relation between percentage of MPP and progression-free survival. CONCLUSIONS:Awareness of pathologists about MPP and its highly possible relation with aggressive behavior must be raised, as it may be more common than reported. A multicentric review of a large number of cases with MPP is needed for a better definition of its biological behavior. Focal MPP cases may have a better prognosis but this needs to be confirmed.
journal_name
Urol Intjournal_title
Urologia internationalisauthors
Alkibay T,Sözen S,Gürocak S,Işik Gönül I,Poyraz A,Ure Idoi
10.1159/000241672subject
Has Abstractpub_date
2009-01-01 00:00:00pages
300-5issue
3eissn
0042-1138issn
1423-0399pii
000241672journal_volume
83pub_type
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journal_title:Urologia internationalis
pub_type: 杂志文章
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