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Mastocytosis

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Mastocytosis
Pathology
Type

Autoimmune

Cause(s)

Unknown

Symptoms

Skin lesions, fatigue, abdominal discomfort, nausea, diarrhea, intolerance to food and drugs, intolerance to smells, infections of the lungs, nose and eyes, inflammation of the ears, nose and throat, anaphylaxis, low blood pressure, fainting, bone pain, muscle pain, decreased bone density, headache, eye discomfort, malabsorption

Mortality Rate

Moderate

Treatments

Antihistamines, proton pump inhibitors, steroids, anti-depressants

Show Information
Appearances

Twenty Vicodin

  [Source]
Mastocytosis - cropped - very high mag

A biopsy showing mastocytosis, via Wikipedia Commons

Mastocytosis, also known as Urticaria Pigmentosa is a condition caused by the accumulation of too many mast cells and the precursors of mast cells, which naturally contain histamines and heparin. Although the disease is usually confined to the skin, causing lesions which can develop into hives when scratched, it can become systemic and affect the respiratory tract, the digestive tract and other tissues.

The disease usually affects children and often resolves itself without treatment. However, a rarer form affects adults and can develop into a serious illness.

The symptoms of mastocytosis resemble an allergy, up to and including anaphylactic shock. However, instead of being set off by outside stimuli, the symptoms often come on at random. Because of its similarly to allergies, many cases of mastocytosis are misdiagnosed, making it a zebra diagnosis. The best way to reach a definitive diagnosis is with a skin biopsy.

Mastocytosis cannot be cured, but the symptoms can be managed with medication.

Mastocytosis at NIH

Mastocytosis at Wikipedia

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