Bilateral Pulmonary Opacities: Causes & Reasons

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Possible Causes for Bilateral Pulmonary Opacities

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]

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]

COVID-19

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]

Subpleural lesions Seen 20 (100%) Not seen 0 (0%) Consolidation with surrounding halo sign 10 (50%) Ground‐glass opacities 12 (60%) Fine mesh shadow 4 (20%) Tiny nodules [onlinelibrary.wiley.com]

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]

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 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]

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]

[…] hilar adenopathy with interstitial opacities in stage II sarcoidosis. [msdmanuals.com]

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]

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]

Pulmonary Lymphoma

[…] 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]

Biopsy confirmed the diagnosis of primary pulmonary lymphoma of mucosa-associated lymphoid tissue (MALT). [radiologykey.com]

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]

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.[…] [symptoma.com]

Tuberculosis

Tuberculosis is a multisystemic disease commonly affecting the lungs. TB presents initially as flu-like symptoms. As the disease progresses, it manifests itself with chronic cough with blood-tinged sputum, fever and night sweats. Patients also complain of weight loss, malaise, retrosternal pain and weakness. There may[…] [symptoma.com]

Mixed Connective Tissue Disease

The authors report a rare case of a female patient with mixed connective tissue disease (MCTD) with coexisting antiphospholipid syndrome (APS). Five years after the diagnosis of MCTD high concentrations of anticardiolipin (anti-CL) and anti-β2-glycoprotein (anti-β2GPI) autoantibodies were present in the patient's[…] [ncbi.nlm.nih.gov]

Interstitial Pneumonia

This is characterized by acute worsening of dyspnea within 1 month, accompanied by new bilateral pulmonary opacities at imaging without an identifiable cause [ 5, 6 ]. [ajronline.org]

Diffuse ground-glass opacity was the most common pulmonary abnormality. [ncbi.nlm.nih.gov]

After 3 courses of chemotherapy, restaging computed tomography (CT) of the chest revealed bilateral diffuse ground-glass opacities with a peribronchial distribution possibly [ncbi.nlm.nih.gov]

Overlap Syndrome

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Pulmonary Lymphangitic Carcinomatosis

BACKGROUND: More than 20 percent of patients with breast cancer have pulmonary lymphangitic spread at death. Previous reports have indicated that some patients may respond to aggressive chemotherapy that includes corticosteroids. METHODS: Bronchoscopy with bronchoalveolar lavage (BAL) was used to assess[…] [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]

Uterine Corpus Choriocarcinoma

Chest X ray had been done and it revealed several bilateral opacities (Figure 1).In front of this radiological aspect, a Figure 1: Chest X ray: Several bilateral opacities [latunisiemedicale.com]

thoracic CT scan was performed and showed multiple pulmonary, and pleural masses. [latunisiemedicale.com]

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]

Pulmonary Histoplasmosis

A 44-year-old man presented to the emergency department with progressive pulmonary symptoms. He was hypoxic with bilateral pulmonary opacities on chest radiograph. [ncbi.nlm.nih.gov]

Familial Isolated Congenital Asplenia

Figure 1: Chest radiograph showing a bilateral basal pulmonary opacity. [omicsonline.org]

Chest radiograph showed a bilateral basal pulmonary opacity ( Figure 1 ). [omicsonline.org]

ARDS Clinical

Pulmonary opacities on Chest X-ray or Computerized tomographic (CT) Scan - not fully explained by effusions, lobar/lung collapse or nodules, not fully explained by Cardiac [en.wikibooks.org]

[…] severity Acute Respiratory Distress Syndrome (ARDS) is defined as Respiratory failure within one week of a known clinical insult or new or worsening respiratory symptoms (with) bilateral [en.wikibooks.org]

Generalized Herpes Simplex Infection of the Newborn

A chest radiograph showed streaky and patchy bilateral pulmonary opacities and right-side pleural effusion. Neurologic examination showed mild hypotonia. [wwwnc.cdc.gov]

Generalized Herpes Simplex

A chest radiograph showed streaky and patchy bilateral pulmonary opacities and right-side pleural effusion. Neurologic examination showed mild hypotonia. [wwwnc.cdc.gov]

Pulmonary Anthrax

A chest radiograph revealed minimal residual bilateral pulmonary opacities in the right upper lobe. [academic.oup.com]

Chest CT on 24 February revealed bilateral pulmonary opacities with prominent ground glass appearance consistent with acute respiratory distress syndrome. [academic.oup.com]

Three weeks after discharge, reevaluation of the patient indicated near-normal pulmonary function studies and it was determined that he no longer required supplemental oxygen [academic.oup.com]

Secondary Cardiomyopathy

Chest X-ray (Figure 1 ) showed bilateral patchy opacities representing pulmonary edema or possible hemorrhage. [bmcresnotes.biomedcentral.com]

Figure 1 Chest X-ray- bilateral patchy opacities. [bmcresnotes.biomedcentral.com]

Computed tomography of chest (Figure 2 ) revealed bilateral peribronchovascular airspace consolidation, ground-glass opacity with interlobular septal thickening and small [bmcresnotes.biomedcentral.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]

Transitory Tachypnea of the Newborn

Overaeration, streaky, bilateral, pulmonary interstitial opacities and prominent perihilar interstitial markings. Mild cardiomegaly. [emedicine.medscape.com]