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Cancer Lett. 1995 Mar 23;90(1):97-102.

Heterogeneity of duct carcinoma in situ (DCIS): relationship of grade and subtype analysis to local recurrence and risk of invasive transformation.

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Cancer Consultation Service, St. Mary's Medical Center, San Francisco, CA, USA.


Morphologic analysis of nuclear grade and extent of necrosis can provide reproducible classification of subclinical duct carcinoma in situ (DCIS) which strongly separates DCIS into three risk groups. For subclinical lesions of small size, risk is largely limited to local recurrences only, half of which, however, are invasive events. Local recurrences are seen much more frequently with high grade DCIS. Most local recurrences following breast conservation therapy represent residual disease in the immediate vicinity of the biopsy site. Stromal and cellular host reactions may provide additional prognostic information.

[Indexed for MEDLINE]

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