A 49-year-old woman undergoes axillary lymph node dissection for breast cancer. Postoperatively, she presents with inability to forcefully extend and adduct her right arm, limiting crutch use. Vital signs are stable (BP 128/82, HR 82, RR 16, temp 37.2°C, SpO2 98%). Examination reveals intact shoulder abduction and normal sensory function. Chest X-ray shows no pneumothorax. Which nerve was most likely injured during the procedure?
- A)Thoracodorsal nerveGABARITO
- B)Suprascapular nerve
- C)Dorsal scapular nerve
- D)Long thoracic nerve
- E)Axillary nerve
Explicação
The thoracodorsal nerve innervates latissimus dorsi, a muscle important for arm extension, adduction, and medial rotation. This function becomes especially noticeable when patients push up from a chair or use crutches after axillary surgery. Ver explicação completa e trilha adaptativa →