Evidence map›Paper›PMID 29590403›Full record

ArticleThe Journal of clinical endocrinology and metabolism2018

p.Val804Met, the Most Frequent Pathogenic Mutation in RET, Confers a Very Low Lifetime Risk of Medullary Thyroid Cancer.

Chey Loveday, Katherine Josephs, Daniel Chubb, Adam Gunning, Louise Izatt, Marc Tischkowitz, Sian Ellard, Clare Turnbull

Abstract read
In one paragraph

Article in The Journal of clinical endocrinology and metabolism, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed, 2 pooled it
–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

35 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Guideline
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  6. Specification of frequency criteria for secondary findings genes to improve variant classification concordance.Genetics in medicine : official journal of the American College of Medical Genetics · 2026
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  11. Hereditary Medullary Thyroid Cancer: Genotype-Phenotype Correlation.Recent results in cancer research. Fortschritte der Krebsforschung. Progres dans les recherches sur le cancer · 2025
    Review
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors.

Chey LovedayDivision of Genetics and Epidemiology, The Institute of Cancer Research, London, United Kingdom.
Katherine JosephsDepartment of Clinical Genetics, St George's University Hospital, London, United Kingdom.
Daniel ChubbDivision of Genetics and Epidemiology, The Institute of Cancer Research, London, United Kingdom.
Adam GunningInstitute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, United Kingdom.
Louise IzattDepartment of Clinical Genetics, Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom.
Marc TischkowitzDepartment of Medical Genetics, University of Cambridge, Cambridge, United Kingdom.
Sian EllardInstitute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, United Kingdom.
Clare TurnbullDivision of Genetics and Epidemiology, The Institute of Cancer Research, London, United Kingdom.

Funding

Medical Research Council G0700491
6 · The paper itself

Abstract

Context: To date, penetrance figures for medullary thyroid cancer (MTC) for variants in rearranged during transfection (RET) have been estimated from families ascertained because of the presence of MTC. Objective: To gain estimates of penetrance, unbiased by ascertainment, we analyzed 61 RET mutations assigned as disease causing by the American Thyroid Association (ATA) in population whole-exome sequencing data. Design: For the 61 RET mutations, we used analyses of the observed allele frequencies in ∼51,000 individuals from the Exome Aggregation Consortium (ExAC) database that were not contributed via The Cancer Genome Atlas (TCGA; non-TCGA ExAC), assuming lifetime penetrance for MTC of 90%, 50%, and unbounded. Setting: Population-based. Results: Ten of 61 ATA disease-causing RET mutations were present in the non-TCGA ExAC population with observed frequency consistent with penetrance for MTC of >90%. For p.Val804Met, the lifetime penetrance for MTC, estimated from the allele frequency observed, was 4% [95% confidence interval (CI), 0.9% to 8%]. Conclusions: Based on penetrance analysis in carrier relatives of p.Val804Met-positive cases of MTC, p.Val804Met is currently understood to have high-lifetime penetrance for MTC (87% by age 70), albeit of later onset of MTC than other RET mutations. Given our unbiased estimate of penetrance for RET p.Val804Met of 4% (95% CI, 0.9% to 8%), the current recommendation by the ATA of prophylactic thyroidectomy as standard for all RET mutation carriers is likely inappropriate.

Indexed as

PenetranceAdultAgedCarcinoma, NeuroendocrineDatabases, GeneticDatasets as TopicEndocrinologyExome SequencingFemaleGene FrequencyHumansMaleMiddle AgedMultiple Endocrine Neoplasia Type 2aPolymorphism, Single NucleotidePractice Guidelines as TopicProto-Oncogene Proteins c-retRET protein, human

Identifiers

PMID29590403
PMCPMC6194854

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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.