Ceruminous Gland Carcinoma

A simple malignant tumor showing differentiation to ceruminous epithelium.

Gross Appearance:

Histology:
•Similar morphologic changes as those described for apocrine carcinoma
•Tumor cells may be found as aggregates within the overlying epidermis, which represents involvement of the acrosyringium

Breeds At Increased Risk
Breed	Odds Ratio	95% Confidence Limit	Probability
Domestic Short Hair	1.6	1.09 - 2.24	0.013

Breeds At Decreased Risk
Breed	Odds Ratio	95% Confidence Limit	Probability
Siamese	0.4	0.17 - 1.01	0.046

Sex Distribution (N=299)

Sex Status
Percent

Male
(46.4%)

49.5

intact
(13.9%)

13.7

neutered
(32.5%)

35.8

Female
(53.6%)

50.5

intact
(18.4%)

17.1

neutered
(35.2%)

33.4

(normal sex distribution)