Spinal Stenosis

A 68-year-old patient with symptomatic lumbar spinal stenosis has undergone 6 months of conservative management, including physical therapy, NSAIDs, and epidural steroid injections, with minimal improvement in his neurogenic claudication and quality of life. He reports increasing difficulty walking more than 50 meters. Which of the following is the most appropriate next step in management?

A 70-year-old patient is suspected of having lumbar spinal stenosis based on clinical presentation. Which imaging modality is considered the gold standard for confirming the diagnosis and evaluating the extent of neural compression?

Which of the following statements accurately describes a characteristic feature of neurogenic claudication associated with lumbar spinal stenosis?

Which of the following anatomical structures is considered the primary contributor to the development of acquired lumbar spinal stenosis in the elderly population?

A 65-year-old male presents with a 6-month history of bilateral leg pain, numbness, and weakness that worsens with prolonged standing and walking. He reports that his symptoms are relieved by sitting down or leaning forward, such as when pushing a shopping cart. Peripheral pulses are palpable and symmetrical. Which of the following is the most likely diagnosis?