Table 1.

Clinical history data of 18 cases of MTC combined with PTC

Case	Sex	Age	MTC location and size (cm)	PTC location and size (cm)	Case history	Preoperative CEA	Preoperative calcitonin	Lymph node metastasis	Distant metastasis	Follow-up (months)
1	Male	70	Right lobe, 6 × 5 × 3.5	Right lobe, Not measured	Right neck mass for 2 days	Not examined	Not examined	No	No	No
2	Female	35	Right lobe, 5.5 × 4	Right lobe, Not measured	Found right neck mass 2 years previously	Not examined	Not examined	Yes	No	No
3	Female	60	Right lobe, 2 × 2	Right lobe, Not measured	Neck mass 2 years previously; increased after 1 month	Not examined	Not examined	No	No	6
4	Male	48	Left lobe, 5 × 3 × 2	Isthmus, 2 × 1.2 × 0.8	Right neck mass for 3 months	Normal	Normal	No	No	No
5	Female	36	Left lobe, 0.8 × 0.6	Left lobe, Not measured	Found a neck mass more than 1 month previously	Not examined	Not examined	No	No	No
6	Female	60	Right lobe, 0.5	Right lobe, 0.25	Found neck mass 3 months previously, significantly increased after 1 month	Not examined	Not examined	No	No	15
7	Female	60	Right lobe, 2.5	Left lobe, 0.8	Found thyroid nodules 3 months previously via physical examination	Not examined	Not examined	No	No	6
8	Male	41	Right lobe, 0.6	Left lobe, 0.2	Found thyroid enlargement via physical examination	6.89 ng/ml	188 ng/ml	Yes	No	15
9	Female	57	Right lobe, 0.2	Left lobe, 0.5	Found bilateral thyroid nodules 2 days previously	Not examined	Not examined	No	No	No
10	Male	56	Right lobe, 4 × 2.5 × 2.5	Left lobe, 0.6	Right thyroid mass for 2 months	Normal	Normal	Yes	No	No
11	Male	66	Left lobe, 1.6 × 1.3 × 1.0	Right lobe, 1.3 × 0.9 × 0.8	Thyroid nodules for more than 1 year	Not examined	Not examined	Yes	No	No
12	Female	52	Right lobe, 1 × 0.5	Left lobe, 0.5 × 0.5	Found thyroid nodules via ultrasonic examination	Not examined	Not examined	No	No	60
13	Female	68	Left lobe, 4.2 × 3.4 × 2.3	Left lobe, Not measured	Found thyroid occupying for 1 week previously via physical examination	Not examined	Not examined	No	No	No
14	Male	56	Right lobe, 4 × 4 × 2.5	Right lobe, 0.6	Found right neck mass 3 months previously	326.2 ng/ml	1051 pg/ml	Yes	No	50
15	Female	66	Left lobe, 0.8	Right lobe, 0.5	Found left lobe mass in thyroid via physical examination	Not examined	Not examined	No	No	12
16	Female	27	Left lobe, 4 × 2.5 × 2	Left lobe, 0.4	Due to the left neck mass found 1.5 months previously	Normal	Normal	Yes	No	24
17	Female	44	Right lobe, 2.7 × 2.1 × 2.4	Left lobe, 0.8 × 0.8 × 0.7	Found thyroid mass more than 3 years previously	29.6 mg/l	8.5 pmol/l	Yes	No	No
18	Female	69	Left lobe, 1 × 0.8	Right lobe, 2.5 × 1.8	Found neck mass more than 3 months previously	9.3 ng/ml	17 ng/l	Yes	No	12