Evidence map›Paper›PMID 22584701›Full record

ReviewClinics (Sao Paulo, Brazil)2012

Head and neck paragangliomas: clinical and molecular genetic classification.

Christian Offergeld, Christoph Brase, Svetlana Yaremchuk, Irina Mader, Hans Christian Rischke, Sven Gläsker, Kurt W Schmid, Thorsten Wiech, Simon F Preuss, Carlos Suárez and 6 more

Open access · goldAbstract readReview
In one paragraph

Review in Clinics (Sao Paulo, Brazil), 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 80 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
80citing papers in PubMed, 2 pooled it
12.0field-weighted citation impact, top 1% 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

80 citing papers in PubMed, 2 syntheses or guidelines pooled it, 212 citations in OpenAlex.

  1. Pooled it
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  12. Review
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  14. Glomus Tumours of the Temporal Bone: Our Experience in a Tertiary Hospital.Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India · 2025
    Article
  15. Non-Susceptibility Gene Variants in Head and Neck Paragangliomas.International journal of molecular sciences · 2024
    Article
  16. Article
  17. Intratumoral Microbiome in Head and Neck Paragangliomas.International journal of molecular sciences · 2024
    Article
  18. Article
  19. Article
  20. Article

20 more citing papers are in PubMed but not listed here.

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

16 authors at 2 institutions in 6 countries.

Christian OffergeldDepartment of Otorhinolaryngology, University Medical Center, Albert-Ludwigs-University, Freiburg, Germany.
Christoph Brase
Svetlana Yaremchuk
Irina Mader
Hans Christian Rischke
Sven Gläsker
Kurt W Schmid
Thorsten Wiech
Simon F Preuss
Carlos Suárez
Tomasz Kopeć
Attila Patocs
Nelson Wohllk
Mahdi Malekpour
Carsten C Boedeker
Hartmut P H Neumann
Tehran University of Medical Sciences · IRUniversity of Cologne · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Head and neck paragangliomas are tumors arising from specialized neural crest cells. Prominent locations are the carotid body along with the vagal, jugular, and tympanic glomus. Head and neck paragangliomas are slowly growing tumors, with some carotid body tumors being reported to exist for many years as a painless lateral mass on the neck. Symptoms depend on the specific locations. In contrast to paraganglial tumors of the adrenals, abdomen and thorax, head and neck paragangliomas seldom release catecholamines and are hence rarely vasoactive. Petrous bone, jugular, and tympanic head and neck paragangliomas may cause hearing loss. The internationally accepted clinical classifications for carotid body tumors are based on the Shamblin Class I-III stages, which correspond to postoperative permanent side effects. For petrous-bone paragangliomas in the head and neck, the Fisch classification is used. Regarding the molecular genetics, head and neck paragangliomas have been associated with nine susceptibility genes: NF1, RET, VHL, SDHA, SDHB, SDHC, SDHD, SDHAF2 (SDH5), and TMEM127. Hereditary HNPs are mostly caused by mutations of the SDHD gene, but SDHB and SDHC mutations are not uncommon in such patients. Head and neck paragangliomas are rarely associated with mutations of VHL, RET, or NF1. The research on SDHA, SDHAF2 and TMEM127 is ongoing. Multiple head and neck paragangliomas are common in patients with SDHD mutations, while malignant head and neck paraganglioma is mostly seen in patients with SDHB mutations. The treatment of choice is surgical resection. Good postoperative results can be expected in carotid body tumors of Shamblin Class I and II, whereas operations on other carotid body tumors and other head and neck paragangliomas frequently result in deficits of the cranial nerves adjacent to the tumors. Slow growth and the tendency of hereditary head and neck paragangliomas to be multifocal may justify less aggressive treatment strategies.

Indexed as

Carotid Body TumorGenes, NeoplasmGenetic Predisposition to DiseaseHead and Neck NeoplasmsHumansNeoplasm StagingParagangliomaSkull Base Neoplasms

Identifiers

PMID22584701
PMCPMC3328838
OpenAlexW2169828901

What OpenQuestion holds

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LicenceCC BY-NC
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.