A case of primary extraskeletal osteosarcoma of the breast

Surgical Case Reports
Kanako KurataToru Nakano

Abstract

Primary sarcomas of the breast are rare and account for less than 1% of all primary breast malignancies. We experienced a case of extraskeletal osteosarcoma of the breast that had a unique clinical course and remarkable findings of mammography and magnetic resonance imaging (MRI). A review of the case reports published in the past few decades showed no reports of a case in which a calcified lesion was followed up three different times on mammography, making this a valuable case report. A 52-year-old woman noticed a right breast mass and underwent a breast examination. Mammography showed a 1.5-cm coarse calcified lesion in the upper outer portion of the right breast. Because fine-needle aspiration (FNA) revealed no suspicion of malignancy, she was followed up. Sixteen months later, the tumor grew progressively to 4.5 cm in size with new calcifications that were fine and irregular in shape and density surrounding an enlarged, coarse calcified lesion. Contrast-enhanced magnetic resonance imaging (MRI) showed a high signal intensity in the periphery of the tumor. Extirpation of the tumor was indicated. The pathological findings were extraskeletal osteosarcoma. She underwent additional resection and latissimus dorsi flap reconstruct...Continue Reading

References

Aug 26, 1998·The American Journal of Surgical Pathology·S A Silver, F A Tavassoli
Dec 18, 2004·Breast Cancer : the Journal of the Japanese Breast Cancer Society·Hirohito MomoiManabu Fukumoto
Mar 10, 2010·Cancer Treatment and Research·Giulia Ottaviani, Norman Jaffe
Oct 19, 2010·Annals of Diagnostic Pathology·Fouzia SirajPrem Chopra
Nov 13, 2010·The Breast Journal·Enrico FioriVincenzo Cangemi

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Citations

Apr 22, 2020·Journal of Medical Case Reports·Ramin SaadaatAhmed Maseh Haidary
Jul 3, 2021·Diagnostics·Tomoyuki FujiokaUkihide Tateishi

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Methods Mentioned

BETA
biopsy

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