Abstract
References
1.
Bisceglia
M
,
D'Angelo
VA
,
Wenig
BM.
Endolymphatic sac papillary tumor (Heffner tumor) . Adv Anat Pathol 2006 ;13 (3 ):131 –8 .
2.
el-Naggar
AK
,
Pflatz
M
,
Ordoñez
NG
,
Batsakis
JG.
Tumors of the middle ear and endolymphatic sac . Pathol Annu 1994 ;29 (Pt 2):199 –231 .
3.
Heffner
DK.
Low-grade adenocarcinoma of probable endolymphatic sac origin. A clinicopathologic study of 20 cases . Cancer 1989 ;64 (11 ):2292 –302 .
4.
Michaels
L.
Origin of endolymphatic sac tumor . Head Neck Pathol 2007 ;1 (2 ):104 –11 .