Pulmonary nodule causes: Difference between revisions
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Causes
Common Causes
Not every round spot on a radiological image is a coin lesion: it should not be confused with the projection of a structure of the chest wall or skin, such as a nipple, a healing rib fracture or electrocardiographic monitoring.
The most important cause to exclude is a form of lung cancer, including rare forms such as primary pulmonary lymphoma, carcinoid tumor and a solitary metastasis to the lung (common unrecognised primary tumor sites are melanomas, sarcomas or testicular cancer). Benign tumors in the lung include hamartomas and chondromas.
The most common benign coin lesion is a granuloma (inflammatory nodule), for example due to tuberculosis or a fungal infection. Other infectious causes include a pulmonary abscess, pneumonia (including Pneumocystis carinii pneumonia) or rarely Nocardial infection or worm infection (such as dirofilariasis or dog heartworm infestation). Lung nodules can also occur in immune disorders such as rheumatoid arthritis or Wegener's granulomatosis.
An SPN can be found to be an arteriovenous malformation, a hematoma or an infarction zone. It may also be caused by bronchial atresia, sequestration, an inhaled foreign body or pleural plaque.
Causes
In alphabetical order [1]
- Amyloid
- Arteriovenous malformation
- Aneurysm of the pulmonary artery
- Benign tumors
- Breast Cancer
- Bronchial atresia
- Bronchial carcinomas
- Bronchogenic cyst
- Cancers
- Chondroma
- Endometriosis
- Fungal infections
- Gastric Cancer
- Granulomas
- Hamartoma
- Hemangioma
- Hypernephroma
- Hystiocytosis X
- Lipoid pneumonia
- Localized pleural effusion
- Localized scar
- Lymphoma
- Metastases
- Mucoid impaction
- Multiple Myeloma
- Neurogenic tumor
- Nocardia
- Parasites
- Pneumonia
- Pulmonary infarction
- Pulmonary sequestration
- Prostate Cancer
- Rheumatoid nodule
- Sarcoma
- Seminoma
- Thyroid Cancer
- Tuberculosis
- Varicose pulmonary vein
References
- ↑ Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002: 306-307 ISBN 1591032016