Invasive Ductal Carcinoma Within a Borderline Phyllodes Tumor Associated With Extensive Ductal Carcinoma In Situ: A Case Report

被引:0
|
作者
Kim, Wang Hyon [1 ]
Lee, Kyung Hee [1 ]
Oh, Hwa Eun [2 ]
Seo, Bo Kyoung [3 ,4 ]
Bae, Min Sun [3 ,4 ]
机构
[1] Inha Univ Hosp, Dept Radiol, Incheon, South Korea
[2] Korea Univ, Ansan Hosp, Dept Pathol, Ansan, South Korea
[3] Korea Univ, Ansan Hosp, Dept Radiol, Ansan, South Korea
[4] Korea Univ, Coll Med, Dept Radiol, Seoul, South Korea
关键词
Phyllodes tumor; Breast cancer; Invasive ductal carcinoma; Magnetic resonance imaging;
D O I
10.13104/imri.2024.0024
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
Phyllodes tumors of the breast are rare biphasic fibroepithelial neoplasms that may coexist with breast carcinomas. Herein, we report a case of invasive ductal carcinoma (IDC) within a borderline phyllodes tumor accompanied by extensive ductal carcinoma in situ (DCIS) in the same breast. A 72-year-old woman presented with a palpable lump in the right breast. Mammography showed an oval mass associated with segmental microcalcifications, and breast ultrasound (US) revealed a 2.3 cm oval mass and an associated non-mass lesion. Based on US-guided core needle biopsy, the initial biopsy result of the non-mass lesion suggested DCIS; however, the mass was diagnosed as a fibroepithelial lesion. Preoperative dynamic contrast-enhanced magnetic resonance imaging showed a rim-enhancing oval mass with areas of T2 hyperintensity, accompanied by segmental non-mass enhancement. The mass was highly suspicious for malignancy and was considered imaging-pathology discordant. Subsequently, the patient underwent mastectomy. Histopathological examination of the surgical specimens confirmed a borderline phyllodes tumor with an IDC within the tumor and an extensive intraductal component. The invasive carcinoma component was triple- negative breast cancer. This case highlights the diagnostic challenges of identifying coexisting carcinomas within phyllodes tumors and emphasizes the necessity for increased awareness among radiologists regarding this possibility.
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页码:202 / 206
页数:5
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