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Perianal cellulitis, also known as perianitis or perianal streptococcal dermatitis, is a bacterial infection affecting the lower layers of the skin around the anus. [ 1 ] [ 2 ] [ 3 ] It presents as bright redness in the skin and can be accompanied by pain, difficulty defecating, itching, and bleeding.
Cellulitis in 2015 resulted in about 16,900 deaths worldwide, up from 12,600 in 2005. [8] Cellulitis is a common global health burden, with more than 650,000 admissions per year in the United States alone. In the United States, an estimated 14.5 million cases annually of cellulitis account for $3.7 billion in ambulatory care costs alone.
680.5 Boil, buttock; 681 Cellulitis and abscess of finger and toe. 681.0 Cellulitis and abscess of finger. 681.01 Felon; 681.02 Paronychia, finger; 681.1 Cellulitis and abscess of toe. 681.11 Paronychia, toe; 681.9 Cellulitis/abscess, unspec. digit; 682 Other cellulitis and abscess. 682.0 Cellulitis/abscess, face; 682.1 Cellulitis/abscess, neck ...
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.
Eosinophilic cellulitis, also known as Wells' syndrome (not to be confused with Weil's disease), is a skin disease that presents with painful, red, raised, and warm patches of skin. [2] The rash comes on suddenly, lasts for a few weeks, and often repeatedly comes back. [2] Scar formation does not typically occur. [1]
Pilonidal sinus (PNS): is a sinus tract, or small channel, that may originate from the source of infection and open to the surface of the skin. [10] Material from the cyst drains through the pilonidal sinus. A pilonidal cyst is usually painful, but if it is a draining sinus, the pressure is relieved and patient might not feel pain.
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.
Tinea cruris (TC), also known as jock itch, is a common type of contagious, superficial fungal infection of the groin and buttocks region, which occurs predominantly but not exclusively in men and in hot-humid climates. [3] [4] Typically, over the upper inner thighs, there is an intensely itchy red raised rash with a scaly well-defined curved ...