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Solitary pulmonary nodule

  • Symptoms

    There are usually no symptoms.

    Signs and tests

    A solitary pulmonary nodule is usually found on a chest x-ray. If x-rays repeated over time show the nodule size has remain unchanged for 2 years, it is generally considered benign.

    A chest CT scan is often done to look at a solitary pulmonary nodule in more detail.

    Other tests used to examine a solitary pulmonary nodule may include:

    • PET scan
    • Percutaneous needle biopsy
    • Single-photon emission CT (SPECT) scan
    • Skin tests to rule out infectious causes
    • Lung biopsy