Bilateral submandibular sialolithiasis with sialadenitis
Bilateral painful neck swelling with occasional fever. Pain is worse after eating.
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Non-contrast CT images demonstrate multiple large, oval-shaped calculi in both submandibular gland ducts. An intraglandular calculus is also noted on the right.
Both submandibular glands are asymmetrically enlarged and vividly enhancing with surrounding fat stranding (more on the right) and edema due to the inflammatory process.
This case depicts intraductal and intraglandular calculi within the submandibular gland. Due to calculi being a dominant etiological factor, the distribution of sialadenitis follows that of sialolithiasis, and therefore the submandibular gland is the commonest to be affected.