醫學六：80題 ( 包括麻醉科,眼科,耳鼻喉科,婦產科,復健科等科目及其及相關臨床實例與醫學倫理 )題庫下載題庫

Retention cysts of paranasal sinuses are benign lesions usually discovered incidentally on a plain sinus radiograph or cross-sectional imaging of the head. They do not usually cause symptoms.

Retention cysts represent obstructed submucosal mucinous glands within the paranasal sinus

Low attenuation well-defined rounded lesion within the paranasal sinus. Unless extremely large, the affected paranasal sinus usually remains aerated.

Retention cysts of paranasal sinuses are benign lesions usually discovered incidentally on a plain sinus radiograph or cross-sectional imaging of the head. They do not usually cause symptoms.

Retention cysts represent obstructed submucosal mucinous glands within the paranasal sinus

Low attenuation well-defined rounded lesion within the paranasal sinus. Unless extremely large, the affected paranasal sinus usually remains aerated.