Ground Glass Appearance: Causes & Reasons

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Possible Causes for Ground Glass Appearance

Pneumocystosis Jirovecii Pneumonia

The left X-ray shows a much more subtle ground-glass appearance while the right X-ray shows a much more gross ground-glass appearance mimicking pulmonary edema.[4] X-ray of [en.wikipedia.org]

High-resolution computed tomography reveals interlobular septal thickening and patchy areas resembling a ground-glass appearance. [quizlet.com]

Both show ground glass opacities. [en.wikipedia.org]

Respiratory Bronchiolitis Interstitial Lung Disease

On HRCT, there is a ground glass appearance, being most prominent in the lower fields and periphery and are sometimes patchy and sometimes homogeneous. [pulmonary-fibrosis.net]

HRCT may show ground glass appearance or honeycomb cysts. BAL: Predominance of neutrophils. Diagnosis: By exclusion, usually need open lung biopsy to confirm. [lumen.luc.edu]

There are areas of consolidation and extensive areas of ground-glass density with a crazy-paving appearance. [radiologyassistant.nl]

Acute Respiratory Distress Syndrome

Late phase and appearances in long-term survivors CT appearances can be variable in this phase: complete resolution: may occur in some cases coarse reticular pattern and ground-glass [radiopaedia.org]

[…] syndrome Other names Respiratory distress syndrome (RDS), adult respiratory distress syndrome, shock lung Chest x-ray of person with severe ARDS demonstrating widespread "ground-glass [en.wikipedia.org]

[…] opacification in the anterior (nondependent) part of the lungs: considered more typical later stage CT appearances areas of reticular and ground-glass opacification pulmonary [radiopaedia.org]

COVID-19

A scan of the lungs of a patient infected by the Wuhan coronavirus shows a characteristic "ground glass" appearance. [technologyreview.com]

Chest CT showed diffused consolidations and ground‐glass opacities in both lungs, with a "white lung" appearance of the right lung. CT, computed tomography Table 3. [onlinelibrary.wiley.com]

JAMA Chest scans: Some patients put through a CAT scanner showed spots of shadows in their lungs, what doctors call a “ground glass” appearance. [technologyreview.com]

Bronchiolitis Obliterans

This appears with a “ground-glass” haziness that is characteristic for the disease. The content above is only an excerpt. [accessscience.com]

Recovery after treatment is common when COP appears on HRCT as parenchymal consolidation, ground-glass opacity, or nodules. [merckmanuals.com]

The chest x-ray shows diffuse nonspecific alveolar or "ground glass" densities. [healthcentral.com]

Neonatal Respiratory Distress Syndrome

Diffuse ground-glass appearance to both lungs with hypoaeration and multiple air bronchograms. [learningradiology.com]

glass" appear-anceof immaturity. [quizlet.com]

Chest X ray show s diffuse granular patterns (ground glass appearance) ± air bronchograms. [pediatricsnotes.blogspot.com]

Fibrous Dysplasia

Pelvis and ribs These bones have lucencies, with a diffuse ground-glass appearance and rind lesions. Cystic lesions are common. [emedicine.com]

Computed tomography showed a thickening of the right temporal bone with a ground-glass appearance. The 62-year-old man opted for watchful waiting. [ncbi.nlm.nih.gov]

Usually, the matrix of the lucency is smooth and relatively homogeneous; classically, this finding is described as a ground-glass appearance. [emedicine.com]

Mazabraud Syndrome

A, X-ray showing right femoral shaft bowing (shepherd's crook deformity) and ground glass appearance. [academic.oup.com]

The expanded medullary spaces reveal a characteristic ground glass appearance. Some small lesions are surrounded by a thick sclerotic border or rind. [cambridge.org]

Osseous expansion with ground glass appearance usually attenuates at from 60-140 HU 2. [radiopaedia.org]

Q Fever

Q fever is a disease caused by infection with Coxiella burnetii, a bacterium that affects humans and other animals. This organism is uncommon, but may be found in cattle, sheep, goats, and other domestic mammals, including cats and dogs. The infection results from inhalation of a spore-like small-cell variant, and from[…] [en.wikipedia.org]

Polyostotic Fibrous Dysplasia

Pelvis and ribs These bones have lucencies, with a diffuse ground-glass appearance and rind lesions. Cystic lesions are common. [emedicine.medscape.com]

In this case, all FD lesions were radiopaque and presented with ground glass appearance. [ncbi.nlm.nih.gov]

There is a ground glass appearance. Fig. 3. Coronal CT of the right shoulder shows a expansile lytic lesion with cortical bone expansion. Fig. 4. [tumorsurgery.org]

Interstitial Keratitis

[…] precipitates. • Diffuse corneal haze – ground glass appearance • Lasts for about 2 weeks 10. [slideshare.net]

Typically with syphilis and occasionally with other causes, the entire cornea develops a ground-glass appearance, obscuring the iris. [msdmanuals.com]

Initial progressive stage • One or more Hazy patches appear in the deep layers of the stroma. • Associated with uveitis ( iritis, cyclitis, choroiditis ) • Presence of keratic [slideshare.net]

Acute Interstitial Lung Disease

(Lower two panels, right) The ground-glass appearance disappeared on chest CT 3 months after initiating the combination treatment. [academic.oup.com]

PAAG and contrasted chest tomography were showed new extensive patchy consolidations and new extensive bilateral ground-glass appearance (Figures 1 and 2). [oatext.com]

HRCT may show ground glass appearance or honeycomb cysts. BAL: Predominance of neutrophils. Diagnosis: By exclusion, usually need open lung biopsy to confirm. [lumen.luc.edu]

Neonatal Acute Respiratory Distress due to SP-B Deficiency

Chest x-ray shows diffuse atelectasis classically described as having a ground-glass appearance with visible air bronchograms; appearance correlates loosely with clinical [msdmanuals.com]

[…] congested - Lined by hyaline membranes Respiratory Distress Syndrome (RDS): Respiratory Distress Syndrome (RDS) Chest X-Ray - “ Reticulo-granular pattern ” - microatelectasis - “Ground-glass [authorstream.com]

Chest radiograph revealed diffuse ground glass appearance with air bronchogram ( Figure 3 ). [nature.com]

Familial Ossifying Fibroma

A, Periapical films showing ground-glass appearance of the right maxilla ( top panel ) and normal trabeculation on the left ( bottom panel ). [pocketdentistry.com]

glass appearance." [contempclindent.org]

JPOF usually presents as round well defined, sometimes corticated osteolytic lesion with a cystic appearance, with sclerotic changes being evident as ground glass appearance [benthamopen.com]

Bone Fibroma

[…] fibroma ; fibrous dysplasia, particularly if lesions are multiple and polyostotic (in comparison, fibrous dysplasia has a more central and unilateral location and more of a ground-glass [emedicine.medscape.com]

Most commonly, fibrous dysplasia lesions initially demonstrate a purely lytic appearance and then develop a hazy or “ground glass” appearance as the matrix calcifies. [jaocr.org]

On x-ray, the lesions can appear cystic and may be extensive and deforming. On imaging, the lesions have a classic ground-glass appearance. [merckmanuals.com]

Osteitis Fibrosa Disseminata

Pelvis and ribs These bones have lucencies, with a diffuse ground-glass appearance and rind lesions. Cystic lesions are common. [emedicine.medscape.com]

The lesion has a homogenesis density @g it a so-called "ground glass" appearance. An angular deformity in the bone is often present at the level of the lesion. [gait.aidi.udel.edu]

Pituitary MRI revealed a pituitary macroadenoma (30x14 mm) with suprasellar extension and ground-glass appearance (Fig. 1). [turkjem.org]

Leontiasis due to Leprosy

Skull CT (Figures 2-4) shows severe overgrowth of diploic space with ground glass appearance and loss of corticomedullary differentiation leading to deformity, compression [file.scirp.org]

glass appearance 13 Mass like lesion in mandible with typical trigroid or serpentine pattern Ground glass appearnace 14 Bony thickening loss of corticomedullary differentiation [slideplayer.com]

The mandibular rami have a ground-glass appearance. There is virtually no cortical bone identified in the palate. Fig 3. [ajnr.org]

Hereditary Corneal Dystrophy

Case I: Ground-glass appearance of cornea in both eves. Fig. 3. Case 3: Showing corneal haziness on both sides. Fig. 4. [healio.com]

[…] milky appearance. [link.springer.com]

Congenital hereditary endothelial corneal dystrophy is characterized by a diffuse ground-glass appearance of both corneas and markedly thickened (2–3 times thicker than normal [en.wikipedia.org]

Idiopathic Acute Eosinophilic Pneumonia

A previously healthy young man presented with acute respiratory distress, high fever and bilateral ground-glass appearance on chest radiograph. [ncbi.nlm.nih.gov]

Figure 4 Computed tomography of the chest reveals ground glass appearance. Figure 4 Computed tomography of the chest reveals ground glass appearance. [cid.oxfordjournals.org]

McCune-Albright Syndrome

Pelvis and ribs These bones have lucencies, with a diffuse ground-glass appearance and rind lesions. Cystic lesions are common. [emedicine.medscape.com]

The computed tomography revealed lytic lesions with a typical "ground glass" appearance involving the spine, ribs, sternum, iliac bones and sacrum. [ncbi.nlm.nih.gov]

Fig. 2) (a) Proximal femur FD demonstrating the typical ground glass appearance with a coxa vara (“shepherd’s crook”) deformity. [iofbonehealth.org]

Extrinsic Allergic Alveolitis

May show upper-zone mottling/ consolidation, ground-glass appearance with alveolar shadowing or nodular opacities in the middle and lower zones, hilar lymphadenopathy (rare [clumsylostmedicalstudent.wordpress.com]

Image shows a ground-glass appearance and small, 1-2 mm nodules due to sarcoidosis. [emedicine.medscape.com]

Note the ground-glass appearance and small nodules. – Lung function tests : persistent restrictive changes (↓FVC and FEV1, FEV1:FVC normal or increased) – Bronchoalveolar [clumsylostmedicalstudent.wordpress.com]

Stromal Corneal Dystrophy

Granular Type 1 Dystrophy -stromal dystrophy - small, well demarcated hyaline deposits in the stroma -"ground glass" appearance; prominent centrally ; -will stain red with [studyblue.com]

While in the beginning stages there are clear spaces between lesions, over time these spaces opacify and take on a ground glass appearance. [eyewiki.aao.org]

Cryptogenic Organizing Pneumonia

A ground glass appearance is also common. Bronchial carcinoma is an important differential diagnosis. [pulmonary-fibrosis.net]

Radiographs show an unusual pattern of patchy densities with a ‘ground glass’ appearance. [doi.org]

Radiographs showed an unusual pattern of patchy densities with a "ground glass" appearance in 81 per cent. [nejm.org]

Necrotizing Alveolitis

glass appearance suggesting pneumonia Mainly used to rule out other diseases ~20% are normal High-resolution computed tomography (HRCT) More sensitive than chest x-ray; perform [arupconsult.com]

HRCT may show ground glass appearance or honeycomb cysts. BAL: Predominance of neutrophils. Diagnosis: By exclusion, usually need open lung biopsy to confirm. [lumen.luc.edu]

There are areas of consolidation and extensive areas of ground-glass density with a crazy-paving appearance. [radiologyassistant.nl]

Reis-Bucklers Corneal Dystrophy

The affected cornea of a person with lattice dystrophy will have a ground glass appearance, while granular deposits indicate granular dystrophy. [encyclopedia.com]

These eventually spread across the corneal surface, giving it a ground-glass appearance. 2. [reviewofoptometry.com]

Cherubism

Because fibrous connective tissue replaces osseous tissue, radiographic features generally include expansile osteolytic lesions and a ground-glass appearance. [ncbi.nlm.nih.gov]

Pelvis and ribs These bones have lucencies, with a diffuse ground-glass appearance and rind lesions. Cystic lesions are common. [emedicine.com]

Ground Glass Appearance: Because of the small, tightly compressed trabecular pattern Histologic Features: Multinucleated Giant Cells are seen which are similar to osteoclasts [juniordentist.com]

Infantile Scurvy

Fig. 2 Lower extremities radiograph showing (a) ground glass appearance of the bones; (b) pencil-thin cortices; (c) white dense line of metaphyseal calcification - Fraenkel [indianpediatrics.net]

Trabeculations become thinned and poorly visualized on Xray, called ground glass appearance With these fractures, the periosteum becomes loosened, resulting in the classic [medcaretips.com]

The epiphysis also shows cortical thinning and the ground-glass appearance. [ispub.com]

Acute Interstitial Pneumonitis

(Lower two panels, right) The ground-glass appearance disappeared on chest CT 3 months after initiating the combination treatment. [academic.oup.com]

glass appearance ( crazy paving ) PMF : nodules coalesce to large masses BAL : dust particles on polarised light 11. [slideshare.net]

glass opacities with sparing of some secondary pulmonary lobules, resulting in a geographic appearance to the lungs. [radiologykey.com]

Glassy Cell Carcinoma of the Cervix

Microscopic examination revealed a tumor composed of nests of large cells with large eosinophilic cytoplasm presenting a ground-glass appearance (Figure 1 ). [wjso.biomedcentral.com]

glass" appearance, distinct cell membranes stained with eosin or periodic acid-Schiff, and large nuclei with prominent nucleoli. [wjso.biomedcentral.com]

[…] cell carcinomas first described by Glücksmann and Cherry [ 9 ] in the uterine cervix, are typically composed of malignant cells showing a moderate amount of cytoplasm with "ground [wjso.biomedcentral.com]

Craniofacial Dysplasia

In quiescent and non-aggressive lesions, the enlarged bone appears densely radiopaque or may have a "ground glass" appearance. [jofs.in]

Figure 1 CT brain, bone window setting, axial view Extensive homogeneous ground-glass appearance involving the frontal, orbital, sphenoidal, nasal, and ethmoidal bones on [n.neurology.org]

A plain radiograph revealed hazy radiopacities with a ground glass appearance (image B), suggestive of polyostotic fibrous dysplasia (FD). [jaoa.org]