A 32-year-old man presents with difficulty releasing his grip after a firm handshake. He reports frontal hair loss since his 20s, bilateral cataracts noted on ophthalmology exam, and testicular atrophy on physical examination. Vital signs include BP 128/82 mmHg, HR 88 bpm, RR 16, temp 37°C, SpO2 98% on room air. Serum creatine kinase is elevated at 420 U/L. Cognitive examination is intact. Which diagnosis best explains this clinical presentation?
- A)Lambert-Eaton syndrome
- B)Myotonic dystrophyGABARITO
- C)Duchenne muscular dystrophy
- D)Guillain-Barre syndrome
- E)Polymyositis
Explicação
Myotonic dystrophy is the correct answer because delayed muscle relaxation with multisystem findings such as cataracts, frontal balding, and gonadal atrophy is classic for this trinucleotide repeat disorder. Ver explicação completa e trilha adaptativa →