Abstract
Liposarcomas are the most common soft tissue sarcoma of adults, and primary mediastinal liposarcomas are rare. We present a case of a 50-year-old man with primary mediastinal liposarcoma without any invasion into the surrounding structures, such as the esophagus, trachea, or left atrium of the heart. Following surgical removal of the liposarcoma, the patient has had no recurrence after one year. Surgical removal is the treatment of choice for a mediastinal liposarcoma; however, careful long-term follow-up is necessary because the recurrence rate is very high.
Highlights
Liposarcomas are the most common soft tissue sarcoma of adults, usually arising in the extremities or the retroperitoneum
We present a case of a 50-year-old man with primary mediastinal liposarcoma without any invasion into the surrounding structures, such as the esophagus, trachea, or left atrium of the heart
Surgical removal is the treatment of choice for a mediastinal liposarcoma; careful longterm follow-up is necessary because the recurrence rate is very high
Summary
Liposarcomas are the most common soft tissue sarcoma of adults, usually arising in the extremities or the retroperitoneum. Primary mediastinal liposarcomas are rare, representing less than 1% of all mediastinal tumors [1]; because of this rarity, documentation in the literature is limited. We present a case of primary mediastinal liposarcoma in a 50-year-old man that was successfully managed by complete surgical excision. Case presentation A 50-year-old Caucasian Brazilian man with left-side chest pain was found to have a mass in the left lower hemithorax in a chest x-ray, and he was referred to our clinic. The chest x-ray demonstrated a well defined mass in the left lower hemithorax (Figure 1). Chest computed tomography (CT) demonstrated a large, smooth, well-defined mass with soft tissue density (+27 UH) in the basal region of the left hemithorax (Figure 2). Histological findings showed pleomorphic liposarcoma (Figure 3). The patient has had no recurrence for one year following this operation
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