What is the tram-track appearance?

Tram-track sign refers to the parallel thickening and enhancement around the optic nerve, and is most frequently seen in the setting of optic nerve meningioma. It may, however, also be seen in 1: orbital pseudotumor. perioptic neuritis.

What does bronchiectasis look like on chest X-ray?

Plain radiograph Chest x-rays are usually insufficient in the diagnosis and management of bronchiectasis. May be normal or may show dilated bronchi with thickened walls (tram-track sign). An air-fluid level may be seen in severe cystic bronchiectasis.

Why do I need a follow up chest X-ray?

The results of a chest x-ray can be available almost immediately for review by your physician. Follow-up exams may be needed. If so, your doctor will explain why. Sometimes a follow-up exam is done because a potential abnormality needs further evaluation with additional views or a special imaging technique.

What are the three types of bronchiectasis?

Three basic morphologic types of bronchiectasis that are recognized at CT are cylindrical, varicose, and cystic (Fig 2), and many patients have a combination of these three classic types.

Is bronchitis and bronchiectasis the same?

Bronchiectasis is a permanent widening and scarring of the airways of the lungs, often due to repeated or severe infections. Bronchitis is inflammation of the large and small airways of the lungs. Acute bronchitis is often due to a viral infection.

Can a shadow on the lung be nothing?

Lung cancer may appear as a shadow, with or without a well-defined nodule or mass. Benign tumors may similarly appear as a shadow or a spot. Tuberculosis is a bacterial infection of the lungs that often has no discernible features on X-rays in early disease but can cause the appearance of a shadow.

What triggers bronchiectasis?

Bronchiectasis is often brought on by damage from another condition that affects the lungs. Even an airway blockage, like a growth or a noncancerous tumor, can lead to bronchiectasis. Though it is most often linked to cystic fibrosis, many other conditions can trigger bronchiectasis such as: Autoimmune disease.

What is a tram procedure?

One common flap procedure is known as TRAM, or traverse rectus abdominal muscle, flap reconstruction. To complete this operation, surgeons use tissue from your lower abdomen to create a new breast.

What causes tram tracks on a chest X-ray?

Pulmonology. When found in the lungs, tram tracks are radiologic signs that are usually accompanied by pulmonary edema in cases of congestive heart failure and bronchiectasis. Tram tracks are caused by bronchial wall thickening, and can be detected on a lateral chest X-ray.

When do you use the tram track sign?

Tram-track sign may be used in chest radiography or CT to denote the thickened non-tapering (parallel) walls of cylindrical bronchiectasis. It should not be confused with other tram-track signs elsewhere in the body. 1. Cantin L, Bankier AA, Eisenberg RL.

What does an upright chest X-ray look like?

If an upright chest x-ray is obtained, the fluid layers and provides the same diagnostic appearance as a pleural effusion, with blunting of the costophrenic angle, and a meniscus sign at the interface with the chest wall.

What kind of imaging is used for chest trauma?

The major diagnostic imaging modalities for blunt and penetrating chest trauma are chest x-ray, ultrasound, and chest CT with intravenous (IV) contrast. Aortography is more rarely used, most often following an abnormal chest x-ray or CT result.