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A doctor may want to perform regular follow-ups for nodules larger than 6 mm or for smaller nodules if you have a high risk of lung cancer.
The short answer is no. A CT scan usually isn't enough to tell whether a lung lesion is a benign tumor or a cancerous lump. A biopsy is the only way to confirm a lung cancer diagnosis.
Lung nodules (also called pulmonary nodules) are spots or shadows that may show up in the lung during a chest imaging study, usually a CT scan. A lung nodule typically appears as a white spot and is under three centimeters in size. Nodules larger than three centimeters are considered lung masses.
Most lung nodules are benign (not cancerous). Rarely, pulmonary nodules are a sign of lung cancer. Lung nodules show up on imaging scans like X-rays or CT scans. Your healthcare provider may refer to the growth as a spot on the lung, coin lesion or shadow.
Multiple solid nodules >6 mm (>100 mm 3) low-risk patients: CT at 3-6 months, then consider CT at 18-24 months. high-risk patients: CT at 3-6 months, then CT at 18-24 months. When multiple nodules are present, the most suspicious nodule should guide further individualized management.
If you have a nodule smaller than 6 mm, a doctor may tell you that no follow-up is needed. Doctors sometimes recommend a follow-up 12 months later for people at a high risk of developing lung...
Repeat chest CT scans and chest X-rays are the most common way to follow a lung nodule. Sometimes PET scans are done. If repeated scans show that the nodule is unchanged in size after two to five years, it may be declared benign.
Solid pulmonary nodules less than 6 mm warrant surveillance imaging in patients at high risk, and nodules between 6 and 8 mm should be reassessed within 12 months, with the recommended interval...
Malignancy is more common in solid nodules that are 6 mm or greater in diameter.3 Other nodule characteristics associated with cancer include location in the upper lung lobes, irreg-
For low-risk patients with a solitary, non-calcified solid nodule measuring 6-8 mm, initial follow-up is recommended at six to 12 months depending on size, morphology and patient preference.