Pimple

As a pustule (from the Latin pustule, vesicle ') or pustules and in the Bavarian -speaking pimple is a filled with pus, superficial (epidermal or subepidermal ) denotes small cavity of the skin. The pustule is one of the so-called primary lesions ( predominant primary ) dermatology. Their content can germ-free (as in pustular psoriasis generalisata ) or infectious.

Example acne

In the " acneiform diseases " such as the commonly referred to as acne Acne vulgaris in contrast, is formed on the basis of hyperkeratosis in the range of up to the skin surface opening towards the hair follicle ( the Follikelostium ) a backlog of, by the sebaceous glands of the skin formed sebum and thus a retention cyst as " white " or closed comedones ( " blackheads " ) is called, if the follicle is closed or nearly closed. In a so-called open comedo is the upper layer may turn black due to melanin, dirt or oxidation: creating a " black blackheads ". White like black comedo lead to the image of " comedo ". Only when the inflamed comedo and purulent melts down, it forms a pustule and thus a papulopustular acne as an advanced stage of acne vulgaris.

Cause of the inflammation is mainly the bacterium Propionibacterium acnes, which finds ideal growing conditions in the comedo.

Other diseases with pustules

Pustules can occur as a primary lesion its characteristic skin with many other skin diseases, as in the

  • Balanitis Candidomycetica
  • Folliculitis
  • Pustulosis palmaris et plantaris (synonym Andrews Bakterid )
  • Pustulosis subcornealis Sneddon - Wilkinson, intermittently occurring bubbles as a differential diagnosis for dermatitis herpetiformis
  • Secondary syphilis
  • Follicular Pyoderma

Malignant pustule is the name for an anthrax sores.

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