Table 1.

Oral and pharyngeal cancer cases in a cohort of 769 SSc patients.

Oropharyngeal Carcinoma Sites	Pre-SSc Diagnosis	Post-SSc Diagnosis	Total
Squamous cell carcinoma of tongue	2	6	8*
Squamous cell carcinoma of pharynx	0	2	2
Pyriformis sinus squamous cell carcinoma	0	1	1**
Squamous cell carcinoma of tonsil	0	1	1
Total	2	10	12

^*One patient had 3 separate primary squamous cell carcinomas of the tongue, 2 occurring before the diagnosis of SSc.

^**One patient had both a squamous cell carcinoma of the pyriformis sinus and a squamous cell carcinoma of the tongue.