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abstractA round or oval mass with a diameter of less than 3 centimetres, without lymphoadenopathy, atelectasis or pneumonia. If that is the result of a chest x-ray, it could be a solitary pulmonary nodule.
The probability of the SPN being malignant is due to several factors; there is a higher risk with older patients, male patients and those with a family history of lung cancer. A radiological investigation may already give an idea of whether the nodule is benign or malignant, but a PET with contrast provides greater certainty as it is more sensitive and specific. A diagnosis through image scans may not be enough to clear all doubts. In this case for a peripheral lesion it is then advisable to resort to a Fine Needle Aspiration Biopsy; whereas for a central lesion, a transbronchial or thorascopic biopsy is recommended. Lastly, if even the histological and cytological tests do not allow a precise, definite diagnosis, it is advisable to monitor the size of the lesion over time, with TC or Rx. |
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