PMC9973669_01
Bilateral parotid glands enlargement
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FIG1
However, after 40 minutes of drug administration, the patient started to experience bilateral painless progressive parotid gland enlargement (Figure 1).
Brain CT showing bilateral parotid gland enlargement
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FIG2
However, while the brain CT was obtained to confirm the diagnosis, it showed the presence of parotid enlargement bilaterally (Figure 2).
After four hours of drug withdrawal
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FIG3
The patient was kept under observation, and four hours after drug wearing off, the swelling gradually disappeared as shown in Figure 3.