Myofibroblastic sarcoma of the neck: a case report

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This report aims to summarize the imaging and pathological characteristics of myofibroblastic sarcoma of the neck to enhance clinical understanding.
Case report of a 79-year-old woman with neck swelling and discomfort, diagnosed with myofibroblastic sarcoma.
Imaging performed using ultrasound and contrast-enhanced CT, and diagnosis supported by fine-needle aspiration cytology and immunohistochemical staining.
Assessment of various markers including cytokeratin, thyroglobulin, smooth muscle actin, and vimentin.
Imaging revealed an irregular hyperechoic mass invading surrounding structures and multiple calcifications.
Immunohistochemical results showed positive vimentin and a Ki-67 proliferation index of approximately 40%.
The comprehensive diagnosis was confirmed as fibrofibroblastoma, with characteristics specific to myofibroblastic sarcoma.

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Case report identifies imaging and pathological features of myofibroblastic sarcoma in an elderly woman, suggesting improved diagnosis accuracy.

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Ma et al. (2026) studied this question.

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