A 64-year-old man with poorly controlled type 2 diabetes (HbA1c 9.2%) presents with severe pain in the right thigh progressing to weakness of hip flexion and knee extension over 4 weeks. Vital signs show BP 148/92, HR 88, RR 16, temp 37.1°C. Patellar reflex is diminished on the right; ankle reflexes are normal. Strength testing reveals hip flexor and quadriceps weakness (4/5). Electromyography shows denervation in the right femoral nerve distribution. Which diagnosis is most likely?
- A)Guillain-Barré syndrome
- B)Diabetic lumbosacral radiculoplexus neuropathyGABARITO
- C)Cauda equina compression
- D)Lambert-Eaton syndrome
- E)Myotonic dystrophy
Explicação
Diabetic amyotrophy, also called diabetic lumbosacral radiculoplexus neuropathy, causes asymmetric proximal leg pain followed by weakness and weight loss. It differs from distal symmetric diabetic neuropathy by its focal proximal onset and pain pattern. Ver explicação completa e trilha adaptativa →