Résumé
To test the role of multi-detector row computed tomography [MDCT] in the imaging of interstitial lung diseases [ILDs]. The present study included 28 patients with ILDs. The diagnosis was based on clinical background, restrictive pulmonary defect and conclusive radiographic or histopathologic findings. All patients were studied using 16-slice MDCT. Idiopathic interstitial pneumonias [IIPs] was the diagnosis in 13 patients, sarcoidosis in 7 patients, Langerhans' cell histiocytosis [LCH] in 2 patients, extrinsic allergic alveolitis [EAA] in 2 patients, scleroderma in 2 patients, lymphangioleiomyomatosis [LAM] in one patient and lymphangitis carcinomatosis in one patient. MDCT findings included the pattern of parenchymal abnormalities [ground glass opacities, reticular and linear opacities, cystic lesions, honeycombing, bronchial wall thickening, traction bronchiectasis, nodular opacities, and consolidation], anatomical distribution, and associated findings. MDCT of the chest helps better detection, assessment of distribution, evaluation of extent, and characterization of different findings in ILDs, hence increasing the confidence in the diagnosis