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Ductal Carcinoma In Situ—Pathological Considerations

Ductal Carcinoma In Situ—Pathological Considerations Purpose of ReviewMammographic screening and radiological surveillance for local management has led to an exponential increase in diagnosis of ductal carcinoma in situ (DCIS) with limited impact on breast cancer specific mortality. Since definitive diagnosis of DCIS requires histopathological examination increase in radiological surveillance has resulted in significant increase in breast biopsies. Pathological characteristics of DCIS include grade, necrosis, size, anatomy, margins of excision, estrogen, and progesterone receptor status, and these features are useful for both prognostication and prediction.Recent FindingsDifferential diagnosis of DCIS extends from atypical ductal hyperplasia to micro-invasive carcinoma and increasingly pathologists recognize intraductal lesions at the borderline between atypical ductal hyperplasia and ductal carcinoma in situ. Clinicopathological characteristics of DCIS continue to be significant in prospective trials and have been integrated with predictive molecular tools.SummarySince most cases of DCIS do not progress to invasive cancer multiple tools which include clinicopathologic and molecular signatures are in the process of development and validation for personalizing treatment strategies for patients. Ongoing clinical trials are testing whether DCIS with favorable clinicopathologic characteristics may avoid loco-regional therapy which typically includes breast conserving surgery and radiotherapy. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Current Breast Cancer Reports Springer Journals

Ductal Carcinoma In Situ—Pathological Considerations

Current Breast Cancer Reports , Volume 12 (2) – Jun 20, 2020

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Publisher
Springer Journals
Copyright
Copyright © Springer Science+Business Media, LLC, part of Springer Nature 2020
ISSN
1943-4588
eISSN
1943-4596
DOI
10.1007/s12609-020-00359-y
Publisher site
See Article on Publisher Site

Abstract

Purpose of ReviewMammographic screening and radiological surveillance for local management has led to an exponential increase in diagnosis of ductal carcinoma in situ (DCIS) with limited impact on breast cancer specific mortality. Since definitive diagnosis of DCIS requires histopathological examination increase in radiological surveillance has resulted in significant increase in breast biopsies. Pathological characteristics of DCIS include grade, necrosis, size, anatomy, margins of excision, estrogen, and progesterone receptor status, and these features are useful for both prognostication and prediction.Recent FindingsDifferential diagnosis of DCIS extends from atypical ductal hyperplasia to micro-invasive carcinoma and increasingly pathologists recognize intraductal lesions at the borderline between atypical ductal hyperplasia and ductal carcinoma in situ. Clinicopathological characteristics of DCIS continue to be significant in prospective trials and have been integrated with predictive molecular tools.SummarySince most cases of DCIS do not progress to invasive cancer multiple tools which include clinicopathologic and molecular signatures are in the process of development and validation for personalizing treatment strategies for patients. Ongoing clinical trials are testing whether DCIS with favorable clinicopathologic characteristics may avoid loco-regional therapy which typically includes breast conserving surgery and radiotherapy.

Journal

Current Breast Cancer ReportsSpringer Journals

Published: Jun 20, 2020

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