Lung nodule

Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
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Lung nodule
Synonyms	Pulmonary nodule
Pronounce	N/A
Specialty	N/A
Symptoms	Usually asymptomatic, may cause cough or hemoptysis
Complications	Lung cancer
Onset	Can occur at any age
Duration	Variable
Types	N/A
Causes	Infection, neoplasm, granuloma, vascular
Risks	Smoking, age, family history
Diagnosis	Chest X-ray, CT scan, biopsy
Differential diagnosis	Lung cancer, tuberculosis, sarcoidosis, hamartoma
Prevention	Smoking cessation, regular health check-ups
Treatment	Depends on cause; may include surgery, radiation therapy, chemotherapy
Medication	N/A
Prognosis	Variable; depends on underlying cause
Frequency	Common
Deaths	N/A

Lung nodule

Lung nodule

Lung nodule

Lung nodule

Lung nodule

A Lung Nodule is a small, round or oval-shaped growth in the lung that is easier to identify on a CT scan than on a standard X-ray. They are usually benign (noncancerous), but they can also represent the early stage of lung cancer.

Causes

Lung nodules can be caused by a variety of factors, including:

• Infection: Certain infections can cause lung nodules to form. These include tuberculosis and other bacterial, fungal, or viral infections.
• Inflammation: Inflammatory diseases such as rheumatoid arthritis and sarcoidosis can cause lung nodules.
• Cancer: Lung nodules can be an early sign of lung cancer. They can also be caused by cancer that has spread to the lungs from other parts of the body.

Diagnosis

The diagnosis of a lung nodule often involves a CT scan, which can provide detailed images of the lungs. Other diagnostic tests may include a PET scan, a biopsy, or a bronchoscopy.

Treatment

The treatment for a lung nodule depends on its cause. If the nodule is benign, no treatment may be necessary. If the nodule is cancerous, treatment options may include surgery, radiation therapy, or chemotherapy.

Addtional images

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  Lung nodule
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  Lung nodule
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  Lung nodule

See Also

• Pulmonology
• Radiology
• Oncology