Carcinoid Tumorlets Co-Existing with Chronic Pulmonary Inflammatory Processes: Imaging Findings and Histological Appearances

11 September 2020: Clinical Research

Jun Wang ^123EF* , Shuai Ren ^134EFG* , Yongkang Liu ^13BD , Kai Guo ^13DF , Xiao Chen ^13BC , Zhongqiu Wang ^13AG , Rong Chen ^4DE

DOI: 10.12659/MSM.926014

Med Sci Monit 2020; 26:e926014

Table 3 Pathological diagnoses and immunochemical findings in patients with PCT.

Patient No.	Pathological diagnosis	Immunochemical findings
Patient No.	Pathological diagnosis	Syn	CgA	TTF-1	CD56
1	Carcinoid tumorlet, Bronchietasis	+	+	−	+
2	Carcinoid tumorlet, Adenocarcinoma	+	+	+	ND
3	Carcinoid tumorlet, Bronchietasis	+	+	+	+
4	Carcinoid tumorlet, Bronchietasis	+	+	−	ND
5	Carcinoid tumorlet, Bronchietasis	+	+	+	+
6	Carcinoid tumorlet, Bronchietasis	+	+	+	ND
7	Carcinoid tumorlet, Bronchietasis	+	+	+	+
8	Carcinoid tumorlet, Tuberculosis	+	+	+	+
9	Carcinoid tumorlet, Bronchietasis	+	+	+	+
10	Carcinoid tumorlet, Bronchietasis	ND	+	ND	ND
11	Carcinoid tumorlet, Bronchietasis	ND	+	ND	ND
12	Carcinoid tumorlet, Bronchietasis	ND	+	ND	ND
13	Carcinoid tumorlet, Bronchietasis	+	+	ND	+
14	Carcinoid tumorlet, Bronchietasis	+	+	ND	+
Total	Pathological diagnosis	11/11 (100%)	14/14 (100%)	7/9 (77.78%)	8/8 (100%)
PCT – pulmonary carcinoid tumorlet; ND – not detected.