Table 1.

Demographic information

	MEA (n = 12)a	CA (n = 10)a	CAC (n = 4)	JPG (n = 4)
Age, years (mean)	36.2	54.3	58.5	52.5
Gender	M = 5; F = 6	M = 6; F = 3	M = 4; F = 0	M = 0; F = 4
Presenting symptoms	Pain, vertigo, tinnitus	Progressive hearing loss	Mass, hearing loss, pain	Fullness, pressure, tinnitus, vertigo, popping
Site	Middle ear L (n = 5); R (n = 6)	External ear canal L (n = 5); R (n = 4)	External ear canal L (n = 2); R (n = 2)	R ear (n = 2); R middle ear (n = 2)
Bone erosion	None	None	Not available	Present

M male, F female, L left, R right, MEA middle ear adenoma, CA ceruminous adenoma, CAC ceruminous adenocarcinoma, JPG jugulotympanic paraganglioma

^aClinical data unavailable in one case