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A Journal on Surgery

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Chirurgia 1999 October;12(5):367-72

language: Italian

Elastofibroma dorsi

Briccoli A., Smerieri A., Di Renzo M., Guicciardi L., De Bernardinis G., Mercuri M.

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Three cases of elastofibroma located in the subscapular region are reported. Elastofibroma dorsi is a rare tumor-like process that characteristically appears as an ill-defined solid mass, slowly growing, in the infrascapular region. This lesion can occur bilaterally and may appear asynchronously. Elastofibroma is not a true neoplasm but rather a reactive hyperplasia of elastic fibers. The pathologic findings are diagnostic. Magnetic Resonance imaging is the method of choice to study a soft tissue mass. The tumor contained focal areas with high-signal intensity on T1-weighted scans showing moderate to high-signal intensity with T2-weighting. The areas of low-signal intensity on both T1 and T2-weighted images corresponded histologically to fibroelastic tissue. The areas of high-signal on T1-weighting and moderate to high-signal intensity on T2-weighting reflected focal areas of fat. Differential diagnosis has to be established versus fibromatosis, dermoid tumor and soft-tissue sarcoma. Incisional biopsy is recommended even when the imaging presentation seems typical of this lesion. No treatment is necessary in the asymptomatic patient. The treatment of choice for a symptomatic or growing elastofibroma is local excision. No reported cases of malignant transformation or recurrences were observed.

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