Table 2.

Histopathologic features

	Patient 1	Patient 2	Patient 3	Patient 4	Patient 5	Patient 6	Patient 7	Patient 8	Patient 9	Patient 10
Development pattern	Solid, cystic, papillary	Cystic, papillary	Cystic, solid, papillary	Cystic, papillary	Cystic, solid, papillary	Solid, cystic, papillary	Solid, cystic, papillary	Solid, cystic, papillary	Solid, cystic, papillary	Cystic + papillary
Necrosis	(-)	minimal	minimal	(-)	(-)	(+)	(-)	(-)	(+)	(-)
Mitosis	(-)	(-)	2/10 per HPF	2/10 per HPF	2/10 per HPF	20/10 per HPF	(-)	(-)	20/10 per HPF	(-)
Pleomorphism	minimal	(-)	minimal	minimal	minimal	manifest	minimal	(-)	manifest	(-)