Diffuse Idiopathic Pulmonary Neuroendocrine Cell Hyperplasia (DIPNECH): A Case of Indolent Pulmonary Nodules Diagnosed with Robotic-Assisted Navigational Bronchoscopy

Figure 3

(a) H&E stain of the medial right middle lobe nodule. (b) Medial right middle node nodule with chromogranin-positive pathology, a neuroendocrine marker. (c) Medial right middle lobe nodule with synaptophysin-positive pathology, another marker for neuroendocrine cells. (d) Medial right middle lobe nodule with a Ki-67 proliferation marker with only 3 nuclei staining positive.

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