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Pitted keratolysis (also known as keratolysis plantare sulcatum, [1] keratoma plantare sulcatum, [1] and ringed keratolysis [1]) is a bacterial skin infection of the foot. [2] The infection is characterized by craterlike pits on the sole of the feet and toes, particularly weight-bearing areas. The infection is caused by Kytococcus sedentarius.
Erythrasma is a superficial skin infection that causes brown, scaly skin patches. It is caused by Corynebacterium minutissimum bacteria, a normal part of skin flora (the microorganisms that are normally present on the skin). There are two types of erythrasma: generalized and interdigital. Interdigital is the most common bacterial infection of ...
Athlete's foot, known medically as tinea pedis, is a common skin infection of the feet caused by a fungus. [2] Signs and symptoms often include itching, scaling, cracking and redness. [3] In rare cases the skin may blister. [6] Athlete's foot fungus may infect any part of the foot, but most often grows between the toes. [3]
The bacteria most commonly involved are streptococci and Staphylococcus aureus. [1] In contrast to cellulitis, erysipelas is a bacterial infection involving the more superficial layers of the skin, present with an area of redness with well-defined edges, and more often is associated with a fever. [1]
Dermatophyte infections occur in up to a quarter of the world's population, of which the hands and feet are most commonly involved. [3] It occurs worldwide. [ 3 ] One large study revealed around 84% of tinea manuum was associated with athlete's foot, of which 80% admitted scratching their feet, and 60% were male, [ 6 ]
Gas gangrene is a bacterial infection that produces gas within tissues. It can be caused by Clostridium , most commonly alpha toxin -producing C. perfringens , or various nonclostridial species. [ 9 ] [ 19 ] Infection spreads rapidly as the gases produced by the bacteria expand and infiltrate healthy tissue in the vicinity.
Bacterial skin infections affected about 155 million people and cellulitis occurred in about 600 million people in 2013. [6] Bacterial skin infections include: Cellulitis , a diffuse inflammation of connective tissue with severe inflammation of dermal and subcutaneous layers of the skin . [ 7 ]
Since the bacterial form and the fungal form of mycetoma infection of the foot share similar clinical and radiological features, diagnosis can be a challenge. [2] Magnetic resonance imaging is a valuable diagnostic tool. However, its results should be closely correlated with the clinical, laboratory, and pathological findings. [12] [13]