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  • Mastocytoma

    Mastocytoma, a form of mastocytosis, is a single, benign skin tumor and is often called a mast cell tumor or a mast cell neoplasm.

    They often form on the torso, neck, or arms. Mastocytomas generally appear in infants/young children.

    Outlook

    Mastocytomas are benign and highly survivable.

    Signs & Symptoms

    The most common symptom is a raised pimple-like growth.

    COMMON SIGNS & SYMPTOMS

    • Red/pink/yellow bumps from 1-5 centimeters in diameter on the skin. Rubbing mastocytomas causes reddening, swelling, blistering, and itching.
    • Flushing

    Diagnosing Mastocytoma

    A skin biopsy is the only conclusive way to diagnose a mastocytoma.

    TESTS

    Skin biopsy

    Treatment

    Most patients do not receive treatment; mastocytomas often disappear with age.

    COMMON TREATMENT OPTIONS

    • Oral Antihistamines: relieve itching
    • Surgical Excision