October 2017 Posts

A Hawaiian Lipoma By Dr Sandra Lee .

A Hawaiian Lipoma

A lipoma is slow-growing, benign growth of fat cells. It is contained in a thin, fibrous capsule and found right under the skin. A lipoma is typically not tender and moves around easily with slight pressure. A lipoma is not cancerous and treatment generally is not necessary. There is also a condition called familial lipomatosus, where people develop multiple lipomas, especially on the arms and legs, and other family members have these growths as well. If the lipoma is on a pressure-bearing area, it may create discomfort and this is when people seek removal. People also request removal because they don’t like the appearance of these bumps. Often a small incision can be made over the lipoma and they can be “popped” out easily. This is a simple in-office surgical procedure under local anesthesia.

 

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Note: This video may contain dermatologic surgical and/or procedural content. The content seen in this video is provided only for medical education purposes and is not intended to be a substitute for professional medical advice, diagnosis, or treatment.

Ear Lobe Pus Ball (Video)

What is a pus?

Pus is an exudate, typically white-yellow, yellow, or yellow-brown, formed at the site of inflammation during bacterial or fungal infection.An accumulation of pus in an enclosed tissue space is known as an abscess , whereas a visible collection of pus within or beneath the epidermis is known as a pustle ,pimple or spot.

Pus consists of a thin, protein-rich fluid, known as liquor puris, and dead leukocytes from the body’s immune response (mostly neutrophils). During infection, macrophages release cytokines which trigger neutrophils to seek the site of infection by chemotaxis. There, the neutrophils release granules which destroy the bacteria. The bacteria resist the immune response by releasing toxins called leukocidins. As the neutrophils die off from toxins and old age, they are destroyed by macrophages, forming the viscous pus.

Bacteria that cause pus are called pyogenic.

Although pus is normally of a whitish-yellow hue, changes in the color can be observed under certain circumstances. Pus is sometimes green because of the presence of myeloperoxidase, an intensely green antibacterial protein produced by some types of white blood cells. Green, foul-smelling pus is found in certain infections of Pseudomonas aeruginosa. The greenish color is a result of the bacterial pigment pyocyanin that it produces. Amoebic abscesses of the liver produce brownish pus, which is described as looking like “anchovy paste”. Pus from anaerobic infections can more often have a foul odor.

In almost all cases when there is a collection of pus in the body, the clinician will try to create an opening to drain it. This principle has been distilled into the famous Latin aphorism “Ubi pus, ibi evacua” (“Where there is pus, evacuate it”).

Some disease processes caused by pyogenic infections are impetigo, osteomyelitis, septic arthritis, and necrotizing fasciitis

 

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