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Pressure ulcers can trigger other ailments, cause considerable suffering, and can be expensive to treat. Some complications include autonomic dysreflexia, bladder distension, bone infection, pyarthrosis, sepsis, amyloidosis, anemia, urethral fistula, gangrene and very rarely malignant transformation (Marjolin's ulcer – secondary carcinomas in chronic wounds).
Pilonidal disease is a type of skin infection which typically occurs as a cyst between the cheeks of the buttocks and often at the upper end. [1] [3] Symptoms may include pain, swelling, and redness. [1] There may also be drainage of fluid, but rarely a fever. [1] [2]
Chronic ulcer symptoms usually include increasing pain, friable granulation tissue, foul odour, and wound breakdown instead of healing. [3] Symptoms tend to worsen once the wound has become infected. Venous skin ulcers that may appear on the lower leg, above the calf or on the lower ankle usually cause achy and swollen legs.
Tropical ulcers can also occur to the visitors of tropics. [4] The disease is most common in native laborers and in schoolchildren of the tropics and subtropics during the rainy season and is caused in many instances by the bites of insects, poor hygiene, and pyogenic infections. [1] Males are more commonly infected than females. [5]
Yaws was clearly described in 1679 among African slaves by Thomas Sydenham in his epistle on venereal diseases, although he thought that it was the same disease as syphilis. The causative agent of yaws was discovered in 1905 by Aldo Castellani in ulcers of patients from Ceylon .
Ancylostomiasis is a hookworm disease caused by infection with Ancylostoma hookworms. The name is derived from Greek ancylos αγκύλος "crooked, bent" and stoma στόμα "mouth". Ancylostomiasis is also known as miner's anaemia, tunnel disease, brickmaker's anaemia and Egyptian chlorosis.
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Exposed ulcers can be infected by other bacteria, causing the wound to become red, painful, and foul smelling. [6] [4] Symptoms are typically limited to those caused by the wound; the disease rarely affects other parts of the body. [7] Buruli ulcers can appear anywhere on the body but are typically on the limbs.