However, you may take your routine medications with sips of water. Your doctor may tell you not to eat or drink for eight hours before your biopsy. the presence of viral, fungal or a parasitic disease.The tissue sample removed from the pleural membrane during a biopsy is further analyzed for evidence of: When a physician orders a needle biopsy, the nodule is usually believed to be unreachable by other diagnostic techniques, such as bronchoscopy.Ī pleural biopsy is performed when the cause for excess fluid in the pleural space cannot be determined by thoracentesis. If imaging exams cannot clearly define the abnormality, a biopsy may be necessary. When your doctor finds a nodule, they may order imaging tests to help determine if it is benign (non-cancerous) or malignant (cancerous). In general, solitary lung nodules in children who have no history of cancer are much less likely to be malignant. What are some common uses of the procedure?Īlthough more than half of single (called solitary) nodules within the chest are determined to be benign, these lesions are considered potentially malignant until proven otherwise, usually through a needle biopsy.
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