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Open Access Open Badges Case report

Dermatofibrosarcoma presenting as a nodule in the breast of a 75-year-old woman: a case report

Olivier Cottier1*, Maryse Fiche2, Jean-Yves Meuwly3 and Jean-François Delaloye¹1

Author Affiliations

1 Département de Gynécologie-Obstétrique et Génétique, Centre Hospitalier Universitaire Vaudois, Lausanne, Suisse

2 Institut Universitaire de Pathologie, Centre Hospitalier Universitaire Vaudois, Lausanne, Suisse

3 Service de Radiodiagnostic et de Radiologie Interventionnelle, Centre Hospitalier Universitaire Vaudois, Lausanne, Suisse

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Journal of Medical Case Reports 2011, 5:503  doi:10.1186/1752-1947-5-503

Published: 5 October 2011



Dermatofibrosarcoma protuberans is a rare neoplasm of soft tissues and its location in the breast is extremely uncommon. Confusion is possible with other primary breast lesions.

Case presentation

A 75-year-old Caucasian woman presented with a mass in her left breast 21 years after being diagnosed with invasive ductal carcinoma of the right breast, treated by a right mastectomy and axillary dissection followed by radiotherapy and breast reconstruction. Mammography revealed a dish-shaped skin nodule formation in the upper outer quadrant of her left breast. Echography confirmed the presence of a lesion measuring 1.4 × 0.8 cm. Based on imaging, the diagnosis was a probable angiosarcoma. Due to the presence of a pacemaker for cardiac arrhythmia and full anticoagulation therapy for a pulmonary embolism, magnetic resonance imaging and a biopsy were not done. We proceeded directly to a quadrantectomy and the final diagnosis revealed a dermatofibrosarcoma protuberans, 1. 8 cm in its greatest microscopic dimension, located 0.1 cm from the upper surgical margin. To ensure the wide resection margins required for this type of neoplasm, a re-excision was performed.


A dermatofibrosarcoma protuberans of the breast is an uncommon discovery. The aim of this case report is to highlight the importance of the surgical procedure in cases of the discovery of dermatofibrosarcoma protuberans. Re-excision may be necessary to ensure adequate resection margins.