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If left untreated, this can lead to an abscess, which may require surgical drainage.
Signs of infection include:
| Modality | Sensitivity for stones | Best for | |----------|----------------------|----------| | | >90% for stones >2 mm | First-line; no radiation; detects ductal dilation. | | Plain radiography | Poor (only 20-40% visible) | Only for radiopaque calcium stones. | | CT without contrast | ~90% | Detects small or radiolucent stones; better for deep lobe. | | Sialography | High for stenosis | Invasive but defines ductal anatomy; not during acute infection. | | MRI / MR sialography | Moderate | Noninvasive ductal visualization, useful in recurrent idiopathic cases. | parotid gland blockage
Parotid gland blockage is a common cause of recurrent unilateral facial swelling and pain, typically exacerbated by eating. It most frequently results from sialolithiasis (salivary stones) or ductal stenosis. This paper reviews the anatomy, etiopathogenesis, clinical presentation, diagnostic imaging, and evidence-based management strategies, ranging from conservative measures to sialendoscopy and surgery. If left untreated, this can lead to an
If left untreated, this can lead to an abscess, which may require surgical drainage.
Signs of infection include:
| Modality | Sensitivity for stones | Best for | |----------|----------------------|----------| | | >90% for stones >2 mm | First-line; no radiation; detects ductal dilation. | | Plain radiography | Poor (only 20-40% visible) | Only for radiopaque calcium stones. | | CT without contrast | ~90% | Detects small or radiolucent stones; better for deep lobe. | | Sialography | High for stenosis | Invasive but defines ductal anatomy; not during acute infection. | | MRI / MR sialography | Moderate | Noninvasive ductal visualization, useful in recurrent idiopathic cases. |
Parotid gland blockage is a common cause of recurrent unilateral facial swelling and pain, typically exacerbated by eating. It most frequently results from sialolithiasis (salivary stones) or ductal stenosis. This paper reviews the anatomy, etiopathogenesis, clinical presentation, diagnostic imaging, and evidence-based management strategies, ranging from conservative measures to sialendoscopy and surgery.