14 February 2019 : Case report
Challenging differential diagnosisSe Hyun Paek1ABDE, Kyoung Eun Lee2DF, Han Su Kim3DF, Joohyun Woo1DF, Woosung Lim1ADEG*
Am J Case Rep 2019; 20:194-197
BACKGROUND: Sarcomas can develop de novo or secondary to radiotherapy after or during breast cancer treatment. Diagnosis can be challenging, as such, a sarcoma is often missed on routine follow-up imaging and often presents with dermatologic findings.
CASE REPORT: Here, we present a case of a 45-year-old female who developed spindle cell sarcoma on her neck, which was mimicking supraclavicular lymph node metastasis of breast cancer.
CONCLUSIONS: Based on our report, we recommend a tissue biopsy with an immunohistochemistry profile when a mass suspicious for metastasis is found in patients with breast cancer.
Keywords: Breast Neoplasms, Sarcoma, Neoplasm Metastasis, Diagnosis, Differential, Lymphatic Metastasis, Middle Aged, Neck, Neoplasms, Second Primary, Soft Tissue Neoplasms
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