Possible Causes for bilateral pulmonary opacities COVID-19 Ground-glass and consolidative opacities are frequently observed, while lung cavitation, discrete pulmonary nodules, pleural effusions, and lymphadenopathy are not characteristic [symptoma.com] CT imaging findings in 20 patients with COVID‐19 pneumonia in early stage Findings Number of patients (%) Pulmonary lesions Null 4 (20%) Unilateral 6 (30%) Bilateral 10 (50% [onlinelibrary.wiley.com] […] in 81% vs. 67% (p 0.049) bilateral pulmonary infiltration in 83% vs. 72% (p 0.09) outcomes sepsis in 100% vs. 42% respiratory failure in 98% vs. 36% acute respiratory distress [dynamed.com] Pneumonia diffuse, granular opacities. [msdmanuals.com] In Bone's Atlas of Pulmonary and Critical Care Medicine. Edited by J Crapo. Philadelphia, Current Medicine, 2005. In these topics <i>Pneumocystis jirovecii</i> Pneumonia [msdmanuals.com] Professional / StandaloneMedia / Pneumocystis Pneumonia Pneumocystis Pneumonia Chest x-ray of an HIV-infected patient with Pneumocystispneumonia, revealing characteristic bilateral [msdmanuals.com] Pulmonary Edema The radiological findings that distinguish polytetrafluoroethylene fume-induced pulmonary edema can be bilateral ground-glass opacity or a patchy consolidation with clear [ncbi.nlm.nih.gov] Anteroposterior chest radiograph shows bilateral alveolar opacities in a patient with subarachnoid hemorrhage who developed neurogenic pulmonary edema. [emedicine.com] A chest computed tomographic scan showed massive bilateral patchy consolidations with ground-glass opacities and peripheral area sparing. [ncbi.nlm.nih.gov] Acute Respiratory Distress Syndrome There are diffuse bilateral coalescent opacities (the only radiological criterion defined by the Consensus Conference). [radiopaedia.org] Bilateral opacities consistent with pulmonary edema must be present but may be detected on CT or chest X-ray. [pulmccm.org] Clinically, hypoxemia, bilateral opacities in lung images, and decreased pulmonary compliance are observed. [ncbi.nlm.nih.gov] Bronchioloalveolar Carcinoma In 7 patients the chest radiography revealed multiple bilateral pulmonary opacities, with air bronchogram and tendency to necrosis at 1. [erj.ersjournals.com] Idiopathic Pulmonary Fibrosis High-resolution computed tomography (HRCT) showed increasing bilateral ground-glass opacity superimposed on the usual interstitial pneumonia pattern. [ncbi.nlm.nih.gov] Bilateral lower lobe opacities and possible mild decrease in lung volumes. Courtesy of Sat Sharma, MD, FRCPC, FACP, FCCP, DABSM. [emedicine.com] 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. [ncbi.nlm.nih.gov] Desquamative Interstitial Pneumonia A CT scan of the chest revealed ground-glass opacities bilaterally in most patients who had DIP and RB-ILD. [ncbi.nlm.nih.gov] Cardiogenic pulmonary edema HRCT findings in cardiogenic pulmonary edema Bilateral septal thickening and ground-glass opacity. [radiologyassistant.nl] The most common pulmonary function abnormality was a reduced diffusing capacity of the lung for carbon monoxide. [ncbi.nlm.nih.gov] 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 [pneumologia.eu] Bilateral pulmonary infiltrates Transbronchial lung biopsy Improvement with methylprednisolone Shibata et al. [10] 2007 66, male Leg rash, fever, and acute respiratory failure [hindawi.com] Stage II - bilateral hilar adenopathy with pulmonary infiltrates (parenchymal involvement or reticular opacities). [patient.info] Pulmonary Hemorrhage High-resolution CT demonstrated bilateral areas of consolidation with air bronchogram and ground glass opacities, as well as small bilateral pleural effusions. [ncbi.nlm.nih.gov] Figure B: CT Chest showing diffuse bilateral alveolar ground glass opacities with inter- and intralobular thickening. [emdocs.net] Dengue hemorrhagic fever should be considered in the differential diagnosis of diffuse pulmonary hemorrhage. [ncbi.nlm.nih.gov] 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 [radiopaedia.org] […] of pulmonary edema most common appearance in adults diffuse small pulmonary opacities reminiscent of a miliary pattern more common in children extensive diffuse consolidation [radiopaedia.org] Smoke Inhalation Injury Abstract Smoke inhalation injury results in serious respiratory failure. When smoke inhalation injury is combined with burn injury or pneumonia, the physiological responses are different and more severe than those of smoke inhalation injury alone. Treatment strategies should be planned based on these[…] [ncbi.nlm.nih.gov] Tuberculosis RATIONALE: Lymph node is a preferred site for extrapulmonary tuberculosis (TB). In the thorax, mediastinal tuberculous lymph nodes can erode adjacent structures such as heart, aorta, and esophagus, forming fistula, and causing fatal consequences. However, tuberculous bronchonodal fistula as a complication of[…] [ncbi.nlm.nih.gov] Mixed Connective Tissue Disease Subcutaneous calcification often occurs in connective tissue diseases, most commonly scleroderma and dermatomyositis, but is rarely found in mixed connective tissue disease (MCTD). Cutaneous polyarteritis nodosa (PAN) is usually a primary skin disorder and although associated with connective tissue disease, has not[…] [ncbi.nlm.nih.gov] Overlap Syndrome An overlap syndrome is a medical condition which shares features of at least two more widely recognised disorders. Examples of overlap syndromes can be found in many medical specialties such as overlapping connective tissue disorders in rheumatology, and overlapping genetic disorders in cardiology. Rheumatology [[…] [en.wikipedia.org] Silicosis Chronic reactions, occurring after 10 or more years from first exposure, involve nodular lesions, (bilateral, multiple, rounded opacities) often more prominent in the upper [elcosh.org] There may be little effect on pulmonary function at this stage. [elcosh.org] Pulmonary Lymphoma RADIOLOGY: ABDOMEN: Case# 33129: PERI-RENAL & PULMONARY LYMPHOMA. 54 year old male with lung mass. 1. Bilateral scattered air space opacities within the lung bases. 2. [peir.path.uab.edu] […] nodular opacities without associated lymphadenopathy or pleural effusion. [radiologykey.com] generally of infectious nature, characterized at HRCT as centrilobular nodules or branching nodular opacities (tree-in-bud pattern) with bilateral and asymmetrical distribution [rb.org.br] Hypersensitivity A chest X-ray showed hazy opacity with prominent reticulation within the upper lung fields bilaterally, right greater than the left with no pleural effusion. [ncbi.nlm.nih.gov] Pulmonary embolism was ruled out and echocardiography was normal. [ncbi.nlm.nih.gov] A pulmonary function test was significant for no obstruction, normal maximum voluntary ventilation, and no restriction, with mildly decreased diffusion. [ncbi.nlm.nih.gov] Influenza Physical examination is in favor of bilateral lung involvement, and imaging findings in the lungs constitute reticular or reticulonodular opacities with or without superimposed [ncbi.nlm.nih.gov] It happens predominantly among individuals with cardiovascular or underlying pulmonary diseases such as asthma. [ncbi.nlm.nih.gov] Pulmonary Emphysema On CT, this appears as diffuse, bilateral, smooth, interlobular septal thickening, and ground-glass opacities on a background of innumerable scattered centrilobular lucencies [appliedradiology.com] Fig. 1— Imaging of a typical case of combined pulmonary fibrosis and emphysema. a) Chest radiograph showing bilateral infiltrative opacities of the lower lobes and hyperlucent [erj.ersjournals.com] DIAGNOSIS Pulmonary edema superimposed on background centrilobular emphysema DISCUSSION Classic radiologic patterns of pulmonary edema are rarely observed in the setting of [appliedradiology.com] Microsporidiosis A chest X-ray showed multiple bilateral pulmonary opacities and mediastinal lymph-node enlargement. [ncbi.nlm.nih.gov] We describe a case of pulmonary microsporidiosis in a 27-year-old Italian man with AIDS who developed fever, cough, and dyspnea. [ncbi.nlm.nih.gov] Idiopathic Acute Eosinophilic Pneumonia The imaging findings of acute eosinophilic pneumonia include rapidly progressive bilateral pulmonary opacities largely indistinguishable from the numerous other causes of [swjpcc.com] HRCT is always abnormal with bilateral, random, patchy ground-glass or reticular opacities. Pleural fluid examination shows marked eosinophilia with high pH. [merckmanuals.com] 不像CEP的分佈: the opacities localized to the lung periphery ) (3) Small pleural effusions are common (70%，後來可能到90%) / bilateral (interstitial 是smooth的) 3. [lonepair000.pixnet.net] Pulmonary Tumor Embolism The authors describe an unusual case of pulmonary tumor embolism presenting on computed tomography scans as bilateral, peripheral, wedge-shaped opacities. [ncbi.nlm.nih.gov] On autopsy, these opacities corresponded to areas of pulmonary infarction. authors Kim, Andrew E. Haramati, Linda B. [vivo.med.cornell.edu] CT scan (lung window) shows bilateral peripheral pulmonary opacities, some wedge-shaped, suggesting pulmonary infarcts. [ajronline.org] Subcutaneous Abscess Our chest computed tomography (CT) imaging revealed bilateral patchy lung opacities in the middle and lower lobes, along with multiple shadows of fibrotic streaks, high-density [bmcinfectdis.biomedcentral.com] The diagnosis of pulmonary infection was established, and pathogen was highly suspected of aspergillus according to the previous finding of thyroid puncture and drainage. [bmcinfectdis.biomedcentral.com] Liver Cirrhosis Patchy air space opacity in the bilateral lower lobes is also present. Appearance is in keeping with bronchopneumonia. No evidence of pulmonary embolus. [radiopaedia.org] Patchy left lower zone air space opacity is seen. The accessory left horizontal fissure noted on CT is not well seen on the frontal chest x-ray. [radiopaedia.org] Sarcoma of the Lung Many of these lesions encase distal pulmonary artery branches, which appear dilated in some of the lesions. Some adjacent ground glass opacity. [radiopaedia.org] In a case of pulmonary iatrogenic KS in a renal allograft patient, chest radiography showed bilateral opacities with right hilar adenopathy. [pubs.rsna.org] Bilateral hilar lymphadenopathy. No pleural or pericardial effusion. [radiopaedia.org] Chronic Eosinophilic Pneumonia Pulmonary opacities were migratory in one patient. [ncbi.nlm.nih.gov] A 34 year old Japanese woman was referred to our university hospital due to pulmonary opacities and bilateral hilar lymphadenopathy on chest X-ray. [ncbi.nlm.nih.gov] A 38-year-old man was hospitalized in our university hospital because of pulmonary opacities with bilateral hilar and mediastinal lymphadenopathy seen on chest radiograph. [ncbi.nlm.nih.gov] Lingular Pneumonia Patchy air space opacity in the bilateral lower lobes is also present. Appearance is in keeping with bronchopneumonia. No evidence of pulmonary embolus. [radiopaedia.org] Figure 19a: (a) Bedside chest radiograph in a patient with severe hantavirus pulmonary syndrome shows extensive bilateral interstitial opacities. [pubs.rsna.org] Patchy left lower zone air space opacity is seen. The accessory left horizontal fissure noted on CT is not well seen on the frontal chest x-ray. [radiopaedia.org] Cor Pulmonale There was considerable change of the parenchymal opacities with bilateral ground-glass opacities. The air cysts were scattered. [scielo.br] Ultrasonic cardiogram showed pulmonary hypertension (82 mmHg). [qims.amegroups.com] Bilateral ill-defined small center lobular nodules, solid right lung opacity, and subpleural small nodules were also observed ( Fig. 1 ). [scielo.br] Ondine Syndrome High-resolution CT demonstrated bilateral areas of consolidation with air bronchogram and ground glass opacities, as well as small bilateral pleural effusions. [ojrd.biomedcentral.com] HRCT revealed extensive areas of consolidation with air bronchogram and ground glass opacities in both lungs, predominantly in the right lung, and small bilateral pleural [ojrd.biomedcentral.com] The high-resolution CT findings of dengue hemorrhagic fever consist of bilateral areas of consolidation with air bronchogram and ground-glass opacities, and bilateral pleural [ojrd.biomedcentral.com] Carcinoma of the Prostate Chest X-ray revealed two nodular opacities in the lower lobes of both lungs and thoracic CT scan presented multiple bilateral pulmonary nodules (middle right lobe, lingual [ecancer.org]
