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coin lesion |
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coin lesion Solitary pulmonary nodule Radiology A rounded, circumscribed nodule measuring < 4 cm that may be surrounded by well-aerated pulmonary parenchyma, which often appears as an incidental finding in an otherwise unremarkable plain
CXR; ±50% of CLs in the US Diagnosis
Age, smoking Hx, geographic location, Hx of previous malignancy Etiology Infection–abscesses, aspergilloma, bacteria, coccidioidomycosis, echinococcal cysts, Dirofilaria immitis, histoplasmosis, TB, benign masses– bronchial adenoma, chondroma, diaphragmatic hernia, benign mesothelioma, neurogenic tumor, sarcoidosis, sclerosing hemangioma, Wegener's granulomatosis, rheumatoid nodules; malignant masses–1º lung CA, which comprise ≥ 35%, metastases ± 10%, sarcoma, myeloma, Hodgkin's disease, choriocarcinoma How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| ? Mentioned in | ? References in periodicals archive | ||
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| Yano et al (5) reported a contralateral coin lesion that appeared 11 months after the resection of SH. The x-ray revealed a seven-centimeter mass on the patient's lung, at the same location as the coin lesion discovered by the radiologist at the hospital in 1991. 1-3 Fine-needle aspiration (FNA) biopsy is often used to distinguish PH from other round coin lesions, particularly carcinomas and granulomas. |
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