CTICasesDIPNECH (Diffuse Idiopathic Pulmonary Neuroendocrine Cell Hyperplasia)
Imaging findings
Well-circumscribed lung nodule (carcinoid tumor) with background mosaic attenuation and multiple small nodules.
Key takeaways
DIPNECH is becoming more frequently diagnosed as radiologists become more attuned to mosaic attenuation. It should be considered in patients with carcinoid tumors and air trapping.
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