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Prevalence of ductal carcinoma insitu of the breast in Tehran university medical centers: evaluation of 2244 cases

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Author(s): Omranipour R | Fattahi AS

Journal: Tehran University Medical Journal
ISSN 1683-1764

Volume: 67;
Issue: 7;
Start page: 516;
Date: 2009;
Original page

Keywords: Breast cancer | DCIS | epidemiology | Iran

ABSTRACT
"n Normal 0 false false false EN-US X-NONE AR-SA MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:Arial; mso-bidi-theme-font:minor-bidi;} Background: Detection rate of Ductal Carcinoma Insitu of the breast (DCIS) have increased rapidly over the past decade, which is generally attributed to the widespread use of screening mammography. The aim of this study was to evaluate the prevalence of ductal carcinoma in situ in patients who had been referred to Tehran university medical centers."n"nMethods: In a retrospective study, medical records of the patients with diagnosis of breast cancer in 3 teaching hospitals of Tehran University of Medical Sciences (Cancer Institute, Sina and Shariati Hospitals between 1994-2003) were reviewed and records with ductal carcinoma in situ were selected and analyzed."n"nResults: Between 2244 medical records of breast cancer 23 patients had DCIS (1.02%). Mean age was 47.3 years just one patient had been detected by screening mammography and others had clinical symptoms. 48% of patients had mass with mean size of 3.3cm. All had undergone open biopsy (four incisional, 19 excisional). Treatment included 65.2% modified radical mastectomy, 30.4% lumpectomy with axillary dissections and 3.8% lumpectomy alone. Nine patients had radiotherapy after surgery and ten took tamoxifen as hormonal therapy. Two patients (8.6%) in lumpectomy group had recurrence in follow ups. Median follow up time was 84 months."n"nConclusion: This study shows that the Prevalence of early stages of breast cancer especially ductal carcinoma in situ is extremely low. (DCIS was 1.02 in comparison with 15-30% in western countries). These findings indicate the need for increasing public information about breast cancer in Iran and improving screening programs of breast cancer.
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