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Updated: Mar 25, 2026
Surgical Procedures and Methodology for a Preclinical Murine Model of De Novo Mammary Cancer Metastasis
Published on: July 29, 2017
Mammary myofibroblastoma in the right lateral abdominal wall
Jiyong Pan1, Shuang Wang2, Yingyi Zhang1
1Department of General Surgery, the Third People's Hospital of Dalian (Dalian Third People's Hospital Affiliated to Dalian Medical University), Dalian, 116033, China.
Background:
A mammary-type myofibroblastoma is a rare soft tumor; extramammary myofibroblastomas are especially rare.
Case Presentation:
A 51-year-old woman presented to our department for evaluation of a mass on the right lower abdominal wall. The mass was then excised completely. Gross examination showed a huge, well-circumscribed soft tissue mass. The pathologic diagnosis was an extramammary myofibroblastoma. There was no recurrence after excision at the 6-month follow-up visit.
Conclusions:
A mammary-type myofibroblastoma is a benign soft tissue neoplasm. No malignant behavior and/or recurrence of mammary-type myofibroblastomas after surgical resection have been described as a function of size and location. The present case aimed to provide a possible differential diagnosis for such abdominal masses.
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