Evidence map›Paper›PMID 24058514›Full record

Trial reportPloS one2013

PET reveals inflammation around calcified Taenia solium granulomas with perilesional edema.

Masahiro Fujita, Siddhartha Mahanty, Sami S Zoghbi, Maria Desiree Ferraris Araneta, Jinsoo Hong, Victor W Pike, Robert B Innis, Theodore E Nash

Open access · goldAbstract readClinical Trial
In one paragraph

Trial report in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 1 pooled it
3.0field-weighted citation impact, top 10% of its field
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

27 citing papers in PubMed, 1 synthesis or guideline pooled it, 45 citations in OpenAlex.

  1. Guideline
  2. Test-retest reproducibility of [(11)C]PBR28 binding to TSPO in healthy control subjects.European journal of nuclear medicine and molecular imaging · 2016
    Trial
  3. Review
  4. Calcified Neurocysticercosis: Understanding Dead (Not Necessarily Inactive) Parasites.The American journal of tropical medicine and hygiene · 2025
    Review
  5. Epilepsy Due to Solitary Calcified Cysticercus Granuloma.Pathogens (Basel, Switzerland) · 2023
    Article
  6. Article
  7. Epileptogenesis in Common Parasitic Infections.Current neurology and neuroscience reports · 2022
    Review
  8. Article
  9. Have (R)-[European journal of nuclear medicine and molecular imaging · 2021
    Article
  10. Unique Characteristics of Epilepsy Development in Neurocysticercosis.The American journal of tropical medicine and hygiene · 2020
    Review
  11. Article
  12. Inflammation is a key risk factor for persistent seizures in neurocysticercosis.Annals of clinical and translational neurology · 2018
    Article
  13. Pseudoreference Regions for Glial Imaging withJournal of nuclear medicine : official publication, Society of Nuclear Medicine · 2018
    Article
  14. Article
  15. MicroRNAs inFrontiers in microbiology · 2017
    Review
  16. Review
  17. Update on the Diagnosis and Management of Neurocysticercosis.Current infectious disease reports · 2016
    Review
  18. Article
  19. Update on Cysticercosis Epileptogenesis: the Role of the Hippocampus.Current neurology and neuroscience reports · 2016
    Review
  20. Neuroimaging of epilepsy.Handbook of clinical neurology · 2016
    Review
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 at 3 institutions in 1 country.

Masahiro FujitaMolecular Imaging Branch, National Institute of Mental Health, National Institutes of Health. Bethesda, Maryland, United States of America.
Siddhartha Mahanty
Sami S Zoghbi
Maria Desiree Ferraris Araneta
Jinsoo Hong
Victor W Pike
Robert B Innis
Theodore E Nash
National Institutes of Health · USNational Institute of Mental Health · USNational Institute of Allergy and Infectious Diseases · US

Funding

PET Radiopharmaceutical SciencesZIAMH002793 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI PIKE, VICTOR W · 2009 to 2025
$69.8M
Studies of neurocysticercosis and animal cestode infectionsZIAAI000846 · NIAID · NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES · PI NASH, THEODORE · 2009 to 2020
$9.5M
Intramural NIH HHS
6 · The paper itself

Abstract

objectiveNeurocysticercosis, an infection with the larval form of the tapeworm, Taeniasolium, is the cause of 29% of epilepsy in endemic regions. Epilepsy in this population is mostly associated with calcified granulomas; at the time of seizure recurrence 50% of those with calcifications demonstrate transient surrounding perilesional edema. Whether edema is consequence of the seizure, or a result of host inflammation directed against parasite antigens or other processes is unknown. To investigate whether perilesional edema is due to inflammation, we imaged a marker of neuroinflammation, translocater protein (TSPO), using positron emission tomography (PET) and the selective ligand (11)C-PBR28.

methodsIn nine patients with perilesional edema, degenerating cyst or both, PET findings were compared to the corresponding magnetic resonance images. Degenerating cysts were also studied because unlike perilesional edema, degenerating cysts are known to have inflammation. In three of the nine patients, changes in (11)C-PBR28 binding were also studied over time. (11)C-PBR28 binding was compared to the contralateral un-affected region.

results(11)C-PBR28 binding increased by a mean of 13% in perilesional edema or degenerating cysts (P = 0.0005, n = 13 in nine patients). Among these 13 lesions, perilesional edema (n=10) showed a slightly smaller increase of 10% compared to the contralateral side (P = 0.005) than the three degenerating cysts. In five lesions with perilesional edema in which repeated measurements of (11)C-PBR28 binding were done, increased binding lasted for 2-9 months.

conclusionsIncreased TSPO in perilesional edema indicates an inflammatory etiology. The long duration of increased TSPO binding after resolution of the original perilesional edema and the pattern of periodic episodes is consistent with intermittent exacerbation from a continued baseline presence of low level inflammation. Novel anti-inflammatory measures may be useful in the prevention or treatment of seizures in this population.

Indexed as

AdultAnimalsBiomarkersBrainBrain EdemaCalcinosisCarbon RadioisotopesFemaleGranulomaHumansInflammationLigandsMagnetic Resonance ImagingMaleMiddle AgedNeurocysticercosisBiomarkersCarbon RadioisotopesLigands(methyl-(11)C)N-acetyl-N-(2-methoxybenzyl)-2-phenoxy-5-pyridinaminePyrimidinesReceptors, GABATSPO protein, human

Identifiers

PMID24058514
PMCPMC3773048
OpenAlexW1966393906

What OpenQuestion holds

Textmetadata
LicenceCC0
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.