title: Primary mediastinal dedifferentiated liposarcoma resected by lateral thoracotomy with video-assisted thoracoscopic surgery.
abstract: Primary dedifferentiated liposarcoma originating in the mediastinum is extremely uncommon. Here, we report a case of mediastinal dedifferentiated liposarcoma. A 74-year-old man was admitted to our hospital with a left intrathoracic tumor ∼10 cm in diameter. Computed tomography that was taken in another hospital 2 years before the initial visit to our hospital had shown a lipomatous tumor ∼3 cm in diameter adjacent to the left lower pulmonary vein. The tumor was resected by left lateral thoracotomy with video-assisted thoracoscopic surgery. Pathological examination revealed primary mediastinal dedifferentiated liposarcoma. No evidence of recurrence has been seen as of 8 months postoperatively.
authors.affiliation: Department of Thoracic Surgery, Suwa Red Cross Hospital, Suwa, Nagano, Japan Department of Thoracic Surgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan kham@shinshu-u.ac.jp.
authors.forename: Kazutoshi
authors.initials: K
authors.lastname: Hamanaka
authors.affiliation: Department of Thoracic Surgery, Suwa Red Cross Hospital, Suwa, Nagano, Japan.
authors.forename: Masahiko
authors.initials: M
authors.lastname: Ohashi
authors.affiliation: Department of Pathology, Suwa Red Cross Hospital, Suwa, Nagano, Japan.
authors.forename: Toshitsugu
authors.initials: T
authors.lastname: Nakamura