5Lloyd R, De Lellis R, Heitz P. World Health Organization classification of tumonrs. Pathology and genetics of tumours of the endocrine organs [ M ]. Lyon : IARC Press ,2004.
6LiVoLsi VA. Surgical pathology of the thyroid [ M ]. Philadelphia: W.B. Saunders Co, 1990. 131.
7Fletcher CDM. Diagnostic histopathology of tumors[ M ]. 2nd ed. London : Churchill Livingstone ,2000. 959.
8Ambros RA, Trost RC, Campbell AY, et al. Prognostic value of morphometry in papillary thyroid carcinoma [ J ]. Hum Pathol, 1989,20(3) :215 -218.
9Lee TK, Myers RT, Bond MG, et al. The significance of nuclear diameter in the biologic behavior of thyroid carcinomas: a retrospective study of 127 cases [ J]. Hum Pathol, 1987, 18 (12) :1252 - 1256.
10Dominquez-Malagon HR, Szymanski-Gomez JJ, Gaytan-Garcia SR. Optically clear and vacuolated nuclei. Two useful signs for the transoperative diagnosis of papillary carcinoma of the thyroid [ J]. Cancer,1988,62( 1 ) :105 - 108.
