Pulmonary Peripheral Carcinoids after Diffuse Idiopathic Pulmonary Neuroendocrine Cell Hyperplasia and Tumorlets: Report of 3 Cases

Figure 3

Case 3. (a) Carcinoid tumor; in the left lower corner central hyalinization can be seen. (b) Carcinoid with strong and diffuse expression of CD56. (c) Tumorlet. (d) Tumorlet also showing strong and diffuse expression of CD56. (e) DIPNECH. (f) Strong expression of CD56 in DIPNECH.

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