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  2. Ulcer (dermatology) - Wikipedia

    en.wikipedia.org/wiki/Ulcer_(dermatology)

    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.

  3. Gangrene - Wikipedia

    en.wikipedia.org/wiki/Gangrene

    These environmental bacteria may enter the muscle through a wound and subsequently proliferate in necrotic tissue and secrete powerful toxins that destroy nearby tissue, generating gas at the same time. A gas composition of 5.9% hydrogen, 3.4% carbon dioxide, 74.5% nitrogen, and 16.1% oxygen was reported in one clinical case. [20]

  4. Exudate - Wikipedia

    en.wikipedia.org/wiki/Exudate

    Purulent or suppurative exudate consists of plasma with both active and dead neutrophils, fibrinogen, and necrotic parenchymal cells. This kind of exudate is consistent with more severe infections, and is commonly referred to as pus. Fibrinous exudate is composed mainly of fibrinogen and fibrin.

  5. Gas gangrene - Wikipedia

    en.wikipedia.org/wiki/Gas_gangrene

    Gas gangrene (also known as clostridial myonecrosis [1]) is a bacterial infection that produces tissue gas in gangrene. This deadly form of gangrene usually is caused by Clostridium perfringens bacteria. About 1,000 cases of gas gangrene are reported yearly in the United States. [2] Myonecrosis is a condition of necrotic damage, specific to ...

  6. Pressure ulcer - Wikipedia

    en.wikipedia.org/wiki/Pressure_ulcer

    Unstageable: Full thickness tissue loss in which actual depth of the ulcer is completely obscured by slough (yellow, tan, gray, green or brown) and/or eschar (tan, brown or black) in the wound bed. Until enough slough and/or eschar is removed to expose the base of the wound, the true depth, and therefore stage, cannot be determined.

  7. Pus - Wikipedia

    en.wikipedia.org/wiki/Pus

    This is an accepted version of this page This is the latest accepted revision, reviewed on 14 October 2024. Fluid produced by inflammatory infection For other uses, see Pus (disambiguation). Medical condition Pus Eye with conjunctivitis exuding pus Specialty Infectious disease Pus is an exudate, typically white-yellow, yellow, or yellow-brown, formed at the site of inflammation during ...

  8. Granulation tissue - Wikipedia

    en.wikipedia.org/wiki/Granulation_tissue

    Granulation tissue is composed of tissue matrix supporting a variety of cell types, [3] most of which can be associated with one of the following functions: formation of extracellular matrix; operation of the immune system; vascularisation; An excess of granulation tissue (caro luxurians) is informally referred to as "proud flesh". [4]

  9. Tropical ulcer - Wikipedia

    en.wikipedia.org/wiki/Tropical_ulcer

    It has been known to leave the victim with different colors such as bright red, blue, green, and a rare color change of orange. Deep tissue invasion: Infection may spread deep to the subcutaneous tissue, but rarely involve the bone. [6] Chronic ulceration: Characterised by thick rim of fibrous tissue around the ulcer edges. [6]