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Mönckeberg medial calcific sclerosis (MMS) is a rare disorder of medial calcification for which open repair has always been the standard. We present two unusual cases of MMS affecting different arterial segments, for which bypass was done. The first patient presented with extensive aortoiliac medial calcification. She had a near normal ankle brachial index on one side and critical limb ischemia on the other. A femorofemoral crossover bypass was carried out. The patient improved symptomatically. The second case involved a femoropopliteal segment Mönckeberg sclerosis for which a femoro-distal bypass was carried out. Both patients continue to remain asymptomatic after 2 years of follow-up. Open surgical repair remains the ideal method of repair in this rare condition of medial calcific sclerosis. The disease progression is very slow in these patients, and usually one segment of artery is involved.