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9 lis 2023 · A mass in the lung can have a number of possible causes, not all of them cancer. Benign causes can include infection, aneurysm, or a congenital malformation, all with different treatment options and outlooks.
Causes of pulmonary nodules. The differential diagnosis of a pulmonary nodule is wide. Whilst malignancy is the primary concern, the majority of nodules are benign. Data from lung cancer screening trials suggest the prevalence of malignant nodules is 1.5%.
The most common causes of benign nodules include granulomas (clumps of inflamed tissue) and hamartomas (benign lung tumors). The most common cause of cancerous or malignant lung nodules includes lung cancer or cancer from other regions of the body that has spread to the lungs (metastatic cancer).
What causes lung nodules? When an infection or illness inflames lung tissue, a small clump of cells (granuloma) can form. Over time, a granuloma can calcify or harden in the lung, causing a noncancerous lung nodule.
What is a Lung Nodule? Commonly called a “spot on the lung” or a “shadow,” a nodule is a round area that is more dense than normal lung tissue. It shows up as a white spot on a CT scan. Lung nodules are usually caused by scar tissue, a healed infection that may never have made you sick, or some irritant in the air.
5 maj 2021 · Lung nodules, pulmonary nodules, white spots and lesions all describe the same thing: an abnormality in the lungs. Is a nodule a lung tumor? Find out more.
benign lesions should be reimaged with low-dose CT in six months. Suspicious lesions should be reimaged with low-dose CT in three months. Positron emission tomography/CT (PET/CT)
