Evaluation of magnetic resonance imaging in mediastinal tumors.

概要

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Sixteen patients with mediastinal tumor were studied using magnetic resonance imaging (MRI). Cardiac gating was used in 14 of 16 patients. Repetition time (TR) was 500 msec, and the echo time (TE) was 34 msec in the remaining 2 patients. A specific signal strength (high signal intensity) was obtained in a patient with liposarcoma, in a patient with benign mediastinal mesenchymoma and in 2 patients with cysts containing gelatinous material. In other solid mediastinal tumors, the specific signal strength could not be obtained.<BR>Mediastinal tumors were clearly defined, and mediastinal vascular structures and large airways were detected easily. However it was difficult to evaluate the invasion of the tumor into vascular structures and the chest wall.<BR>MRI was considered useful for evaluating the extent of mediastinal tumors.
特定非営利活動法人日本肺癌学会の論文