肌腱撕裂應該手術嗎?

70歲男6個月前運動時肌腱撕裂,開始以為隻是肌肉拉傷沒在意,後

ultrasound result: there is full thickness tear of distal supraspinatus tendon which measures 1.7cm AP with retraction of the tendon by 2.5cm. Fluid and amorphous tissue are visualized within the defect, in keeping with debris/granulation tissue. there is at least mild fatty atrophy of supraspinatus muscle.
醫生說先理療三個月,沒好轉就手術。理療就是鍛煉肩臂肌肉, 似乎沒效果,現在每 天須吃止痛藥 。

請問這種情況應該手術嗎?

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