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A lung nodule or pulmonary nodule is a relatively small focal density in the lung. A solitary pulmonary nodule (SPN) or coin lesion, [1] is a mass in the lung smaller than three centimeters in diameter. A pulmonary micronodule has a diameter of less than three millimetres. [2] There may also be multiple nodules.
Dedicated chest CT confirmed persistence of the nodule and solitary nature. Axial CT-images in lung window setting a show a complex nodule with spiculation, pleural tags, irregular air bronchogram with bronchial interruption sign and ground glass component. Maximum intensity projection (MIP) images b better demonstrate convergence of the ...
Consideration of surgery is recommended for Stage 1 limited-stage small cell lung cancer patient with a solitary nodule, no hilar or mediastinal involvement, absence of distant metastases, and no contraindications to surgery classified by the TNM staging system. [18] Surgery is normally followed by chemotherapy.
Solitary fibrous tumor (SFT), also known as fibrous tumor of the pleura, is a rare mesenchymal tumor originating in the pleura [1] or at virtually any site in the soft tissue including the seminal vesicle. [2] Approximately 78% to 88% of SFT's are benign and 12% to 22% are malignant. [3]
Studies of whole body screening computed tomography find abnormalities in the lungs of 14% of patients. [17] Clinical practice guidelines by the American College of Chest Physicians advise on the evaluation of the solitary pulmonary nodule. [18]
Minimally invasive adenocarcinoma of the lung (MIA) is defined as a small (≤3 cm), solitary tumour with predominant alveolar epithelial appearance (lepidic growth), as in situ adenocarcinoma of the lung, with a zone of focal invasion of the stroma with a size inferior to 5 mm. [1] For MIA—as with adenocarcinoma in situ—, the prognosis is near 100% survival.
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