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Pyoderma gangrenosum. There are two main types of pyoderma gangrenosum: [1] the 'typical' ulcerative form, which occurs in the legs; an 'atypical' form that is more superficial and occurs in the hands and other parts of the body; Other variations are: [4] Peristomal pyoderma gangrenosum comprises 15% of all cases of pyoderma; Bullous pyoderma ...
Pyoderma means any skin disease that is pyogenic (has pus). These include superficial bacterial infections such as impetigo , impetigo contagiosa , ecthyma , folliculitis , Bockhart's impetigo , furuncle , carbuncle , tropical ulcer , etc. [ 1 ] [ 2 ] Autoimmune conditions include pyoderma gangrenosum .
In superficial granulomatous pyoderma, ulcers typically have a clean base and vegetating borders, making them more superficial. Unlike pyoderma gangrenosum, superficial granulomatous pyoderma is more frequently associated with truncal involvement and is not always linked to underlying systemic disease.
The most common colonization site in the human body is within the nasal cavity and from here, the bacteria can cause infections. [42] [43] S. pseudintermedius infections in a human host have been known to cause endocarditis, post-surgical infections, inflammation of the nasal cavity (rhinosinusitis) and catheter-related bacteremia. [6]
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.
The epidermis is the most superficial layer of skin, a squamous epithelium with several strata: the stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, and stratum basale. [8] Nourishment is provided to these layers by diffusion from the dermis since the epidermis is without direct blood supply.
Pseudomonal pyoderma is a cutaneous condition, a superficial infection of the skin with P. aeruginosa. The skin can have a 'mousy' odor. The skin can have a 'mousy' odor. It presents typically on the feet with macerated 'moth-eaten' appearance, green-blue purulence, and eroded borders.
Impetigo is a contagious bacterial infection that involves the superficial skin. [2] The most common presentation is yellowish crusts on the face, arms, or legs. [2] Less commonly there may be large blisters which affect the groin or armpits. [2] The lesions may be painful or itchy. [3] Fever is uncommon. [3]