Table 1:

Clinical and cytologic data of patients with collapsing benign cystic nodules

Case No.	Age (yr)	Sex	F/U Interval (mo)	Initial Diameter (cm)	F/U Diameter (cm)	Cytology
1	64	F	13	0.7	0.3	Cystic change
2	59	F	3	1.1	0.7	Cystic change
3	60	F	16	5.0	0.8
4	51	F	6	2.4	0.4
5	41	F	7	0.8	0.4	Cystic change
6	61	F	7	1.2	0.8	Colloid cyst
7	54	M	21	1.3	0.9	Cystic change
8	47	F	34	0.9	0.5	Benign follicular cell
9	56	M	10	0.8	0
10	59	F	14	1.1	0.5	Benign follicular cell
11	68	M	7	1.7	0.6
12	39	F	21	0.8	0.3	Cystic change
13	46	F	25	0.7	0.4	Benign follicular cell
Mean	54.2		14.2	1.4	0.5