In Buerger disease which is the site of pain?

Ans. (a) Calf painRef: Harrison 19th ed. /1645-46* Claudication in the arch of the foot is an early sign and is suggestive of, or even specific to, TAO.* This condition is a manifestation of infrapopliteal vessel occlusive disease.* As the disease progresses, typical calf claudication and eventually ischemic pain at rest and ischemic ulcerations on the toes, feet, or fingers may develop.* Ischemia of the upper limbs is clinically evident in 40- 50% of patients, but may be detected in 63% of patients by Allens test and in 91% of patients by arteriogram of the hand and forearm.* Criteria for diagnosis ofTAO* Onset before age 45* Current (or recent past) tobacco use* Distal extremity ischemia (infra-popliteal and/or intra- brachial), such as claudication, rest pain, ischemic ulcers, and gangrene documented with non-invasive testing* Laboratory tests to exclude autoimmune or connective tissue diseases and diabetes mellitus* Exclude a proximal source of emboli with echocardiography and arteriography* Demonstrate consistent Arteriographic findings in the involved and clinically non-involved limbs