[ PRINT ] [ Printing FAQ ] About OncoLink Editorial Board Sponsors Help See Today's OncoTip Usage Statistics Virtual Classroom Abramson Family Cancer Research Institute "Confronting Cancer Through Art" is an exhibition by people whose lives have been touched by cancer. This week we are featuring artwork by: Jacqueline Kniewasser Pontypool, Ontario Visit the Children's Art Gallery This week's artwork was donated by a pediatric cancer patient who received treatment for cancer at The Children's Hospital of Philadelphia.

Ductal Carcinoma in situ of The Breast: What Else Do I Need To Know To Understand The Diagnosis Of Ductal Carcinoma in situ? Authors: Margaret M. Barnes, M.D Affiliations: Department of Radiation Oncology, University of Pennsylvania Cancer Center Posting Date - March 7, 1997 Last Revision Date: Sunday, 14-Feb-1999 13:54:25 EST Copyright © 1994-1999, The Trustees of the University of Pennsylvania There are several ways in which DCIS acts differently than invasive breast cancer. One way is that DCIS tends to spread along the breast ducts. As it spreads along the ducts, it can travel into a large portion of the breast through the duct system. Also, DCIS has a tendency to be multifocal. This means that the tumor can be found in more than one part of the breast--in reality, there may be more than one tumor growth in the breast tissue. The multifocal aspect of DCIS very much influences how these tumors are treated. Spread of DCIS through duct system with multifocal lesions In contrast, invasive breast cancers are much less likely to be multifocal ( it can happen, but not that often). Single invasive ductal carcinoma Table 1 Differences Between DCIS And Invasive Breast Cancer Feature DCIS Invasive Breast Cancer Multifocality Yes Rare Spread to axilary lymph nodes No Often Spread to distant organs No Often Next | Table of Contents | Previous

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