Ultrasound-guided sphenopalatine ganglion block presents a promising, minimally invasive intervention for patients with drug-refractory allergic rhinitis. This case demonstrates its potential to achieve significant symptom relief and quality-of-life improvement with a favorable safety profile, offering an alternative when conventional pharmacotherapy fails.
Keywords: allergic rhinitis; image‐guided intervention; sphenopalatine ganglion block; ultrasound‐guided.
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