Table 3 Clinicopathologic features of 126 patients with neuroendocrine carcinoma of the breast in China
From: Neuroendocrine carcinoma of the breast: a review of 126 cases in China
Characteristic | No. of cases (%) |
|---|---|
Age (years) | |
 <50 | 26 (20.6) |
 50–59 | 19 (15.1) |
 60–69 | 11 (8.7) |
 70–79 | 7 (5.6) |
 Data unstratified | 63 (50.0) |
Gender | |
 Female | 119 (94.4) |
 Male | 7 (5.6) |
Symptom | |
 Breast lump | 124 (98.4) |
 Bloody nipple discharge | 6 (4.8) |
 Nipple erosion | 1 (0.8) |
 Dimple sign | 1 (0.8) |
 Skin ulceration | 1 (0.8) |
Diagnostic examination | |
 Biopsy before surgery | 25 (19.8) |
 Breast ultrasound | 85 (67.5) |
 Mammography | 66 (52.4) |
 Breast MRI | 1 (0.8) |
 Chest X-ray | 39 (31.0) |
Whole body check | |
 Abdominal ultrasound | 60 (47.6) |
 Abdominal CT | 1 (0.8) |
 Chest CT | 1 (0.8) |
 Pelvic ultrasound | 7 (5.6) |
 PET/CT | 1 (0.8) |
Histology | |
 Well-differentiated (non-small cell) | 52 (41.3) |
 Poorly-differentiated (small cell) | 26 (20.6) |
 NM | 48 (38.1) |
T category | |
 T1 | 29 (23.0) |
 T2 | 39 (31.0) |
 T3 | 24 (19.0) |
 T4 | 8 (6.3) |
 NM | 26 (20.6) |
N category | |
 N0 | 49 (38.9) |
 N1 | 12 (9.5) |
 N2 | 6 (4.8) |
 N3 | 1 (0.8) |
 NM | 58 (46.0) |
M category | |
 M0 | 122 (96.8) |
 M1 | 4 (3.2) |
TNM stage | |
 I | 30 (23.8) |
 II | 60 (47.6) |
 III | 14 (11.1) |
 IV | 4 (3.2) |
 NM | 18 (14.3) |
Estrogen receptor status | |
 Positive | 102 (81.0) |
 Negative | 23 (18.2) |
 NM | 1 (0.8) |
Progesterone receptor status | |
 Positive | 91 (72.2) |
 Negative | 34 (27.0) |
 NM | 1 (0.8) |
HER2 status | |
 Overexpressed | 19 (15.1) |
 Not overexpressed | 104 (82.5) |
 NM | 3 (2.4) |