Evidence map›Paper›PMID 40448361›Full record

ArticleAnatomical record (Hoboken, N.J. : 2007)2026

Several occurrences of osteomyelitis in dinosaurs from a site in the Bauru Group, Cretaceous of Southeast Brazil.

Tito Aureliano, Waltécio Almeida, Marcelo A Fernandes, Aline Marcele Ghilardi

Abstract read
In one paragraph

Article in Anatomical record (Hoboken, N.J. : 2007), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing 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

5 citing papers in PubMed.

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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

4 authors.

Tito AurelianoDepartment of Biological Chemistry, Programa de Pós-Graduação em Diversidade Biológica e Recursos Naturais, Regional University of Cariri (URCA), Crato, Brazil.ORCID 0000-0002-6918-0519
Waltécio AlmeidaDepartment of Biological Chemistry, Programa de Pós-Graduação em Diversidade Biológica e Recursos Naturais, Regional University of Cariri (URCA), Crato, Brazil.
Marcelo A FernandesLaboratory of Paleoecology and Paleoichnology, Federal University of São Carlos, São Carlos, Brazil.
Aline Marcele GhilardiDiversity, Ichnology and Osteohistology Research Group (DINOlab), Federal University of Rio Grande do Norte (URFN), Natal, Brazil.

Funding

Fundação Cearense de Apoio ao Desenvolvimento Científico e TecnológicoFundação de Amparo à Pesquisa do Estado de São PauloFundação Norte-Rio-Grandense de Pesquisa e Cultura
6 · The paper itself

Abstract

This study investigates the occurrence of osteomyelitis in non-avian dinosaurs, focusing on the Ibirá locality, a site with a high incidence of this pathological condition. We analyzed six new osteopathic sauropod specimens from the Upper Cretaceous of Brazil. The results revealed a relationship between infection and bone remodeling, denoted by various manifestations of reactive bone neoformation, including periosteal reaction. Healing tissues were not identified, which implies that the individuals died when the infection was still active. We described distinct manifestations of osteomyelitis with periosteal bone neoformation: (1) periosteal reaction within small circular protrusions; (2) ellipsoid protrusions in a fingerprint pattern; (3) enlarged protrusions both in height and area. This study underscores the importance of examining pathological conditions in extinct species to enhance our understanding of their physiology and interactions with their ancient environments.

Indexed as

DinosaursFossilsOsteomyelitisAnimalsBone and BonesBrazilbiomineralizationMesozoicmicroanatomypaleopathologySauropoda

Identifiers

PMID40448361
PMCPMC12882049

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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.