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193 Possible Causes for Bilateral Pulmonary Opacities

  • Pulmonary Edema

    The radiological findings that distinguish polytetrafluoroethylene fume-induced pulmonary edema can be bilateral ground-glass opacity or a patchy consolidation with clear[] Anteroposterior chest radiograph shows bilateral alveolar opacities in a patient with subarachnoid hemorrhage who developed neurogenic pulmonary edema.[] A chest computed tomographic scan showed massive bilateral patchy consolidations with ground-glass opacities and peripheral area sparing.[]

  • Pneumonia

    Individuals with infectious pneumonia generally have a productive cough, sharp pain in between breaths, fever accompanied with shaking chills and an increased respiratory rate. For the elderly, confusion is often the most prominent sign. In children under 5, the typical signs and symptoms are fever, fast or difficult[…][]

  • Acute Respiratory Distress Syndrome

    There are diffuse bilateral coalescent opacities (the only radiological criterion defined by the Consensus Conference).[] Bilateral opacities consistent with pulmonary edema must be present but may be detected on CT or chest X-ray.[] Clinically, hypoxemia, bilateral opacities in lung images, and decreased pulmonary compliance are observed.[]

  • Bronchioloalveolar Carcinoma

    In 7 patients the chest radiography revealed multiple bilateral pulmonary opacities, with air bronchogram and tendency to necrosis at 1.[]

  • Idiopathic Pulmonary Fibrosis

    High-resolution computed tomography (HRCT) showed increasing bilateral ground-glass opacity superimposed on the usual interstitial pneumonia pattern.[] Bilateral lower lobe opacities and possible mild decrease in lung volumes. Courtesy of Sat Sharma, MD, FRCPC, FACP, FCCP, DABSM.[] A man in his mid-60's with idiopathic pulmonary fibrosis and hepatitis B-related liver cirrhosis developed exertional dyspnea and a dry cough lasting for three months.[]

  • Desquamative Interstitial Pneumonia

    A CT scan of the chest revealed ground-glass opacities bilaterally in most patients who had DIP and RB-ILD.[] The most common pulmonary function abnormality was a reduced diffusing capacity of the lung for carbon monoxide.[] No differences were observed between subjects with DIP and RB-ILD with respect to clinical features, radiologic findings, or pulmonary function test results.[]

  • Sarcoidosis

    The patient was referred to the hematology department where a whole-body computed tomography (CT) scan revealed bilateral micronodular pulmonary opacities (Figure 1A), mediastinal[] Stage II - bilateral hilar adenopathy with pulmonary infiltrates (parenchymal involvement or reticular opacities).[] […] hilar adenopathy and diffuse reticulonodular opacities Stage III: reticulonodular pattern alone Stage IV: fibrosis The pulmonary infiltrates in patients with sarcoidosis[]

  • Pulmonary Hemorrhage

    High-resolution CT demonstrated bilateral areas of consolidation with air bronchogram and ground glass opacities, as well as small bilateral pleural effusions.[] Figure B: CT Chest showing diffuse bilateral alveolar ground glass opacities with inter- and intralobular thickening.[] Dengue hemorrhagic fever should be considered in the differential diagnosis of diffuse pulmonary hemorrhage.[]

  • Pulmonary Alveolar Proteinosis

    Findings can be variable, including 4,6 : batwing pulmonary opacities : bilateral central symmetrical lung opacities with relative apical and costophrenic angle sparing reminiscent[] […] of pulmonary edema most common appearance in adults diffuse small pulmonary opacities reminiscent of a miliary pattern more common in children extensive diffuse consolidation[]

  • Smoke Inhalation Injury

    Smoke inhalation injury refers to the chemical and thermal injury of the respiratory tract, as well as systemic toxicity, arising from inhalation of various irritants found in smoke. Either occupational or accidental exposure (fires, blast injuries, excessive steam, etc.) may be responsible for this type of injury.[…][]

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