Inflammatory pseudotumor
According to the WHO classification, three lesional patterns can be observed
- Inflammatory myofibroblastic tumour, that can be associated with an ALK gene rearrangement
- Plasmocytic pattern ("plasma cell granuloma"), that can be linked to IgG4-related disease
- Fibrous and hyalinizing pattern: Pulmonary hyalinizing granuloma
References
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