This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Surgery
Pseudoclaudication is caused by 
Select and explain. 
A. Femoral Aery stenosis, B. Popliteal Aery stenosis, C. Lumbar canal stenosis, D. Radial Aery stenosis
C: Lumbar canal stenosis
Answer: C: Lumbar canal stenosis 
Explanation: Pseudoclaudication is the term used for neurogenic claudication caused due to lumbar canal stenosis. Its symptoms mimic intermittent claudication of PVD. Neurogenic claudication, consists of back and buttock or leg pain induced by walking or standing and relieved by sitting or changing posture. Symptoms in the legs are usually bilateral. Unlike vascular claudication, symptoms are often provoked by standing without walking. Spinal stenosis can be acquired, congenital, or due to a combination of these factors. Congenital causes include achondroplasia, idiopathic. Acquired causes are degenerative diseases (spondylosis, spondylolisthesis, scoliosis), trauma, spine surgery, metabolic or endocrine disorders (epidural lipomatosis, osteoporosis, acromegaly, renal osteodystrophy, hypoparathyroidism), and Paget&;s disease. Ref : Bailey and love surgery text book 27th Ed.