Whether Asbestosis Examination Required ?

Diagnosis of asbestosis is built in three steps :

1. History of the exhibition.

2. Radiographic evidence of fibrosis (eg HRCT), and the discovery of lung function with or without histological evidence (of asbestos fibers in the fibrous tissue fluid or bronchoalveolar lung biopsy).

3. Absence of other causes that lead to interstitial fibrosis.

Radiography

- Chest X-ray (back / PA and lateral) is the basis for diagnosis.

- Typical results include:

   • Reticulonodular infliltrat diffuse, mainly observed in the lung bases.

   • Diffuse pulmonary infiltrates on the image to blur the line between the heart.

- Bilateral Pleural may need to be observed also observed due to asbestos can cause pleural infalamasi.

- Sometimes the anomalies, as you can find:  

    • Increased hilar glands

    • Description nodules

    • Mitigate costophrenic angle.

- Carcinoma Bronkogen often found in patients with " asbestosis " and mesothelioma.

- Pleural calcification diaphragmatic

    • It is a reliable indicator of exposure to asbestos, but is not necessary for the diagnosis of asbestosis article.

    • Addition diaphragmatik spill, in other parts of the parietal pleura intercostal.

- Early in the disease,

    • start the radiation image as a disease of the shadow fine lines, especially in the lower lung

    • Can be visible increase in the interstitial signal, the number of lines.

    • An overview of Honeycomb, marking the disease lanjut.

CT  Scan

- CT is a useful description of the pleural effusion (eg, stroke, plaques, mesothelioma, atelectasis) anomalies and the representation of solid parenchymal lung cancer.

- Define scans interstitial infiltrate and can be useful in the diagnosis of early stages of asbestosis.

- The results are typical of asbestosis on HRCT include:

    • Opaque pleura linear subpleural.

    • Bases and peribronkiolar interlobular, intralobular and septal fibrosis.
    

    • A description similar to the honeycomb is a reminder of lung cancer.

Another test :

Pulmonary function tests :

- Reduction of diffusion capacity may precede changes in lung volume, but the discovery of a measure of capacity is not specific. Reduced beyond the ability ririskiky propagation the first abnormal physiological stress is hypoxia.

- The total lung capacity is reduced asbestosis and restrictive.

- The use of spirometry, which is normally the capacity seems reduced without a reduction in the ratio of forced expiratory volume in one second vital capacity (FVC, FEV1).

Oximetry
 

- Evaluation is important because incorrect oxygenasi lead to hypertension, hypoxemia on the lungs and can lead to pulmonary heart.

- Doctors can use a non-invasive screening test pulse oximetry as a screening test, especially oximetry, at rest and during exercise (eg 6MW test).

- Get accurate measurements such as arterial blood gases may be desaturasion during the year.

Spirometry

Spirometry is a typical image of kavasitas decrease in vital and total lung capacity, residual volume is usually normal or slightly reduced and the ability to detect these abnormalities early diffusion. in reduced, then we should observe a decrease in vital capacity and diffusing capacity.

DIAGNOSIS

- The miners pneumoconiosis

- Dermatomyositis

- Pneumonia Hypersensitivas

- Idiopathic pulmonary fibrosis

- Sarcoidosis

- Silicosis

" Investigations can be sure about asbestosis"

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