A 22-year-old man has symptoms of low back pain and stiffness. After several months of mild symptoms, he notes more severe stiffness at night and hip pain. On physical examination, there is paravertebral muscle tenderness and limited flexion of the lumbar spine. Figure given below shows an x-ray of the lumbar spine. Which of the following is the most likely diagnosis?
A 22-year-old man has symptoms of low back pain and stiffness. After several months of mild symptoms, he notes more severe stiffness at night and hip pain. On physical examination, there is paravertebral muscle tenderness and limited flexion of the lumbar spine. Figure given below shows an x-ray of the lumbar spine. Which of the following is the most likely diagnosis?
💡 Explanation
A 22-year-old man has symptoms of low back pain and stiffness. After several months of mild symptoms, he notes more severe stiffness at night and hip pain. On physical examination, there is paravertebral muscle tenderness and limited flexion of the lumbar spine. Figure given below shows an x-ray of the lumbar spine. Which of the following is the most likely diagnosis?
✓ Correct Answer: C. ankylosing spondylitis (AS)
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