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Sarcoidosis (Diagnosis)

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Diagnosis:

Lung function test – Spirometer devices are used to assess the pulmonary functioning in form of how long the lung can hold , take in and move out the air.It is helpful in assessment of the the on going treatment and in grading the seriousness the disease.It helps in characterization of physiological impairment and knowing diffusion capacity for carbon monoxide in cases with lung fibrosis.

PFT-Lung-function-test-information

Radiograph of the chest- Chest X-ray shows us changes in lung parenchyma, garland triad of classic nodes at right paratracheal and bilateral hilar region, eggshell calcification of nodes and reticulonodular nodules.

X-ray-chest-information

HRCT Scan of the chest – is carried out to study more minute changes in the lung parenchyma like ground glass opacities, perilymphatic irregular nodular thickening in an upper/mid lung, small airway disease due to granulomatous bronchiolitis, centrilobular nodules, and pulmonary fibrosis.It also gives a better picture of muscle, other organs, bones and fat.

CT-chest-2

PET CT helps in identification of occult site of disease, suitable biopsy target site, assessing the response to the treatment and in gauging active inflammatory disease in patients with prolonged symptoms.

Gallium scanning shows high uptake in active case. Helpful in treatment assessment

Bronchoscopy with bronchoalveolar lavage

Lung Biopsy –done when non-invasive tests are inconclusive.

Skin biopsy

Blood and urine test to see high levels of calcium

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