Abstract

Osteosarcoma (OS) located in the breast is an extremely rare, malignant neoplasm. The current study presents the diagnostic process, treatment and follow-up of a 67-year-old female with OS of the breast. The diagnosis was made according to diagnostic imaging methods and microscopic examination with additional immunohistochemical staining. As a surgical treatment, tumourectomy with intraoperative histological examination and simple breast amputation was performed. No adjuvant chemotherapy was administered following surgery. Lung and bone metastases occurred without local recurrence 14 months following the surgery. In the present study, the details of the diagnostic examinations performed are evaluated and the consecutive phases of diagnostic and therapeutic proceedings are examined in comparison with the knowledge in the literature.

Highlights

  • Extraskeletal osteosarcomas (OSs) are extremely rare, malignant neoplasms

  • The current study presents the details of the diagnostic process, treatment and 18‐month follow‐up of a 67‐year‐old patient with primary OS

  • Medical imaging indicated a malignant neoplasm of the left breast

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Summary

Introduction

Extraskeletal osteosarcomas (OSs) are extremely rare, malignant neoplasms. In the general population, primary osteosarcomas constitute

Discussion
Silver SA and Tavassoli FA
Findings
18. Ritter J and Bielack SS

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