A Case Report on Ductal Carcinoma in situ Arising from Axillary Accessory Breast Tissue

Accessory breast tissue can appear along the mammary ridge, extending from the axilla to the groin, with the axilla being the most common site. Malignancies arising in accessory breast tissue are rare, representing approximately 0.3%–0.6% of all breast cancer cases. When evaluating accessory brea...

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Bibliographic Details
Main Authors: Kyung Eun Lee, Juhee Kang, Woo Young Kang, Ok Hee Woo
Format: Article
Language:English
Published: The Korean Society of Radiology 2025-01-01
Series:Journal of the Korean Society of Radiology
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Online Access:https://doi.org/10.3348/jksr.2024.0029
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Summary:Accessory breast tissue can appear along the mammary ridge, extending from the axilla to the groin, with the axilla being the most common site. Malignancies arising in accessory breast tissue are rare, representing approximately 0.3%–0.6% of all breast cancer cases. When evaluating accessory breasts, it is essential to apply the same management strategies used for conventionally positioned breasts. This report presents a case of ductal carcinoma in situ originating from accessory breast tissue in the axilla of a 55-year-old woman. The diagnosis was established through a comprehensive assessment involving mammography, ultrasound, and magnetic resonance imaging. Since the axillary accessory breast tissue wasn’t initially included in the routine mammography, we added an axillary tail view to evaluate the extent and morphology of malignant microcalcifications.
ISSN:2951-0805