Cutaneous mastocytosis (CM) primarily affects the skin and is more common in children.
Subtypes:
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Urticaria Pigmentosa: This is the most common form of cutaneous mastocytosis and typically appears as reddish-brown patches or small raised bumps on the skin.
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Diffuse Cutaneous Mastocytosis: This form is more extensive and covers larger areas of the skin.
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Telangiectasia Macularis Eruptiva Perstans (TMEP): This is characterized by reddish-brown macules or small bumps, often with telangiectasia (dilated blood vessels) on the skin.