Chronic submandibular sialolithiasis
Chronic right submandibular pain.
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Two well-defined calcified stones are seen medial to the right submandibular salivary gland, measuring 5 x 3 mm and 3 x 2 mm, mostly at the origin/proximal part of the submandibular gland duct.
The right submandibular gland appears smaller in size and of higher attenuation compared to the left side, with partial fatty replacement of its parenchyma. Appearances are consistent with chronic obstructive submandibular sialadenitis.
Chronic obstruction of the submandibular gland duct causes atrophy and fatty replacement of the gland with prominence of the intraglandular ducts.