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Medullary carcinoma of thyroid

  • Alternative Names

    Thyroid - medullary carcinoma; Cancer - thyroid (medullary carcinoma); MTC

    • Breathing problems due to narrowing of airways
    • Cough
    • Cough with blood
    • Diarrhea
    • Goiter (enlarged thyroid)
    • Lump on thyroid gland

    Signs and tests

    The health care provider will perform a physical exam. Lymph nodes in the neck may be swollen. Thyroid function tests are usually normal. However, an examination of the thyroid may reveal single or multiple nodules (lumps).

    Other tests that may be used to diagnose MTC may include:

    • Calcitonin blood test
    • CEA blood test
    • Genetic testing
    • Thyroid biopsy
    • Thyroid scan
    • Ultrasound of the thyroid

    Patients with MTC should be checked for certain other tumors, especially pheochromocytoma.