Brief Discussion
• First described in 1973 by Bahadori and Liebow
Inflammatory
Myofibroblastic Tumor
(Inflammatory Pseudotumor)
Diffuse GGO with ill-defined nodules
Operative Findings
Brief Discussion
•
First described in 1973 by Bahadori and Liebow
• Uncertain cause: hypersensitivity reaction
•
Natural history: consider as a locally invasive low-grade neoplasm composed of myofibroblasts
• Radiologic findings
– Solitary, slow growing circumscribed mass of variable size with a lobulated or spiculated border
– Multiple masses, diffuse pneumonitis or atelectasis
– Calcification, Cavitation: unusual