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Those with diabetes, however, often have worse outcomes. [10] Cellulitis occurred in about 21.2 million people in 2015. [7] In the United States about 2 of every 1,000 people per year have a case affecting the lower leg. [1] Cellulitis in 2015 resulted in about 16,900 deaths worldwide. [8]
This is a subtype of Type I infections affecting the groin and perianal areas. [10] Clostridia account for 10% of overall type I infections and typically cause a specific kind of necrotizing fasciitis known as gas gangrene or myonecrosis. Type II infection: This infection accounts for 20 to 30% of cases, mainly involving the extremities.
[1] [2] Lower legs and heels may also be involved, however the distal parts of feet and toes are usually spared. Patients may also experience high-graded fever, pitting edema and hypotension. The clinical presentation usually resembles cellulitis, however bilateral involvement is a differentiating feature.
Erysipelas (/ ˌ ɛ r ə ˈ s ɪ p ə l ə s /) is a relatively common bacterial infection of the superficial layer of the skin (upper dermis), extending to the superficial lymphatic vessels within the skin, characterized by a raised, well-defined, tender, bright red rash, typically on the face or legs, but which can occur anywhere on the skin.
Infection may vary in the depth of tissue to which it extends. Foot infections range from the most superficial, cellulitis, to deeper soft tissue necrotizing fasciitis, which may necessitate limb amputations or become life-threatening. [9] [10] [11] Infections may also extend to bone, termed osteomyelitis.
This is a shortened version of the twelfth chapter of the ICD-9: Diseases of the Skin and Subcutaneous Tissue. It covers ICD codes 680 to 709 . The full chapter can be found on pages 379 to 393 of Volume 1, which contains all (sub)categories of the ICD-9.
Lymphangitis is an inflammation or an infection of the lymphatic channels [2] that occurs as a result of infection at a site distal to the channel. It may present as long red streaks spreading away from the site of infection.
Stasis dermatitis is diagnosed clinically by assessing the appearance of red plaques on the lower legs and the inner side of the ankle. Stasis dermatitis can resemble a number of other conditions, such as cellulitis and contact dermatitis, and at times needs the use of a duplex ultrasound to confirm the diagnosis or if clinical diagnosis alone is not sufficient.