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This condition, which has the full name of 'erythrocyanosis frigida crurum puella rum' (cold reddish blueness of the legs of girls), is extremely common. It is not always recognized, being misdiagnosed as lymphoedema, vasomotor disease, arterial insufficiency, and other things. The skin of the legs is cold to the touch and exhibits patches of bluish discoloration. There may be chilblains and small superficial ulcerated areas. There is often an abnormally large amount of fat particularly above the ankle and around the tendo Achillis. For this reason it is sometimes called ' lipoedema'. The affected patches are often hypersensitive to light touch and may irritate with changes of temperature. Deeper palpation may reveal tenderness and nodularity of the underlying fat. The condition is usually symmetrical or alsmost so. The feet often remain normal. At typical case is illustrated in Figs. 14.22 and 14.23