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Introduction: Elastofibroma dorsi is a rare clinical situation mostly encountered as a non-tender solid mass in inferior margin of scapula, typically in elder women. It is accepted as a pseudotumor.
Case Presentation: 55 year-old female patient complaining from a mass in her back, painful with shoulder movement is presented. The patient was referred with a suspicion of malignant tumor. Biopsy revealed that it was elastofibroma dorsi and also computerized tomography was used for detection of dimension and depth of the mass. After surgical removal, pathology of the specimen confirmed the biopsy. Differential diagnosis, clinical findings and pathophysiology is discussed.
Conclusions: During the follow-up seroma was realized 10 days after surgery and it was treated by 2 punctions performed in a week. No further surgical complications occured in postoperative period and no recurrence was observed during one year follow up. Surgical removal is essential in symptomatic patients. Seroma is the most encountered complication especially if the tumor diameter is large. In some cases, biopsy may help to rule out malignancy
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