Evidence map›Paper›PMID 33900542›Full record

ReviewJapanese journal of radiology2021

Ground-glass opacity (GGO): a review of the differential diagnosis in the era of COVID-19.

Diletta Cozzi, Edoardo Cavigli, Chiara Moroni, Olga Smorchkova, Giulia Zantonelli, Silvia Pradella, Vittorio Miele

Abstract readReview
In one paragraph

Review in Japanese journal of radiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 51 papers.

0numbers the graph read from it
0cells of the map it votes in
51citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

51 citing papers in PubMed.

  1. Correlation of FAPI PET Uptake with Immunohistochemistry in Explanted Lungs from Patients with Advanced Interstitial Lung Disease.Journal of nuclear medicine : official publication, Society of Nuclear Medicine · 2024
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  11. The 2025 EQUALJAC-antimicrobial resistance · 2025
    Article
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  14. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Diletta CozziDepartment of Emergency Radiology, Careggi University Hospital, Largo Brambilla 3, 50134, Florence, Italy. dilettacozzi@gmail.com.ORCID http://orcid.org/0000-0001-7028-9047
Edoardo CavigliDepartment of Emergency Radiology, Careggi University Hospital, Largo Brambilla 3, 50134, Florence, Italy.ORCID http://orcid.org/0000-0002-2078-0222
Chiara MoroniDepartment of Emergency Radiology, Careggi University Hospital, Largo Brambilla 3, 50134, Florence, Italy.
Olga SmorchkovaDepartment of Emergency Radiology, Careggi University Hospital, Largo Brambilla 3, 50134, Florence, Italy.
Giulia ZantonelliDepartment of Emergency Radiology, Careggi University Hospital, Largo Brambilla 3, 50134, Florence, Italy.
Silvia PradellaDepartment of Emergency Radiology, Careggi University Hospital, Largo Brambilla 3, 50134, Florence, Italy.
Vittorio MieleDepartment of Emergency Radiology, Careggi University Hospital, Largo Brambilla 3, 50134, Florence, Italy.ORCID http://orcid.org/0000-0002-7848-1567

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Thoracic imaging is fundamental in the diagnostic route of Coronavirus disease 2019 (COVID-19) especially in patients admitted to hospitals. In particular, chest computed tomography (CT) has a key role in identifying the typical features of the infection. Ground-glass opacities (GGO) are one of the main CT findings, but their presence is not specific for this viral pneumonia. In fact, GGO is a radiological sign of different pathologies with both acute and subacute/chronic clinical manifestations. In the evaluation of a subject with focal or diffuse GGO, the radiologist has to know the patient's medical history to obtain a valid diagnostic hypothesis. The authors describe the various CT appearance of GGO, related to the onset of symptoms, focusing also on the ancillary signs that can help radiologist to obtain a correct and prompt diagnosis.

Indexed as

COVID-19LungDiagnosis, DifferentialHumansRetrospective StudiesSARS-CoV-2Computed tomographyCoronavirusCOVID-19Differential diagnosisGround-glass opacity

Identifiers

PMID33900542
PMCPMC8071755

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.