Table 3.

Frequency of sialoendoscopy findings by etiology.

Group	Procedures	Finding	Nº of events	Frequency of occurrence
Sialolithiasis		Stone	43	84%
	51	Stenosis	17	33%
		Mucus plug	3	6%
		Pallor	11	2%
Post-radioiodine therapy		None	1	2%
		Stenosis	31	74%
	42	Mucus plug	13	31%
		Pallor	13	31%
Juvenile recurrent parotitis		Stenosis	11	79%
	14	Pallor	5	36%
		Mucus plug	2	14%
Autoimmune disease		Stenosis	20	59%
		Pallor	18	53%
	34	Mucus plug	11	32%
		None	1	3%
Non-specific chronic sialadenitis		Stenosis	24	73%
	33	Pallor	6	18%
		None	6	18%
		Mucus plug	3	9%
Total	174	Stenosis	92	44%
		Pallor	38	18%
		Stone	43	20%
		Mucus plug	30	14%
		None	8	4%

Source: Original research results.