Evidence map›Paper›PMID 41982933›Full record

ArticleRespirology case reports2026

A Rare Case of Pulmonary Ossification Findings That Rapidly Progressed and Improved During the Course of COVID-19 Pneumonia.

Chie Hirama, Arisa Mitsuo, Yuichi Kato, Iori Motohashi, Kenya Ie, Taku Tanaka, Chiaki Okuse, Shigeki Fujitani

Abstract read
In one paragraph

Article in Respirology case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. Article
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

8 authors.

Chie HiramaMedical Emergency and Disaster Center Kawasaki Municipal Tama Hospital Kawasaki Kanagawa Japan.ORCID https://orcid.org/0009-0005-8197-410X
Arisa MitsuoCenter for General Medicine Kawasaki Municipal Tama Hospital Kawasaki Kanagawa Japan.
Yuichi KatoCenter for General Medicine Kawasaki Municipal Tama Hospital Kawasaki Kanagawa Japan.
Iori MotohashiCenter for General Medicine Kawasaki Municipal Tama Hospital Kawasaki Kanagawa Japan.
Kenya IeCenter for General Medicine Kawasaki Municipal Tama Hospital Kawasaki Kanagawa Japan.
Taku TanakaMedical Emergency and Disaster Center Kawasaki Municipal Tama Hospital Kawasaki Kanagawa Japan.
Chiaki OkuseCenter for General Medicine Kawasaki Municipal Tama Hospital Kawasaki Kanagawa Japan.
Shigeki FujitaniMedical Emergency and Disaster Center Kawasaki Municipal Tama Hospital Kawasaki Kanagawa Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

An 88-year-old man with a history of myocardial infarction, non-valvular atrial fibrillation and hypothyroidism was admitted to our hospital with a diagnosis of coronavirus disease. On admission, he had hypoxemia, with peripheral blood oxygen saturation at 95% on 5 L of oxygen via face mask ventilation. Chest computed tomography (CT) showed bronchial wall thickening and emphysema in both lungs, ground-glass opacities and high-attenuation areas in the bilateral lower lungs. After hospitalization and treatment, hypoxemia improved; however, chest CT showed marked progression of the high-attenuation areas, suggestive of pulmonary ossification (PO) in both lower lungs. The patient was transferred to a rehabilitation hospital; however, hypoxemia had improved at the time of discharge and chest CT showed marked improvement in the findings suggestive of PO.

Indexed as

COVID‐19pneumoniapulmonary ossification

Identifiers

PMID41982933
PMCPMC13071309

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Registered trials

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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.