Evidence map›Paper›PMID 40769897›Full record

ArticleInternal medicine (Tokyo, Japan)2026

Isolated Neck Extensor Myopathy Associated with Sarcopenia.

Shuko Fujiki, Taiki Matsubayashi, Yoshiki Sakurai, Masahiko Ichijo, Tomoyuki Kamata

Abstract readCase Reports
In one paragraph

Article in Internal medicine (Tokyo, Japan), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

5 authors.

Shuko FujikiDepartment of Neurology, National Disaster Medical Center, Japan.
Taiki MatsubayashiDepartment of Neurology, National Disaster Medical Center, Japan.
Yoshiki SakuraiDepartment of Neurology, Musashino Red Cross Hospital, Japan.
Masahiko IchijoDepartment of Neurology, Musashino Red Cross Hospital, Japan.
Tomoyuki KamataDepartment of Neurology, Musashino Red Cross Hospital, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A 64-year-old woman with low body weight presented for treatment because of a 1-month history of progressively worsening headdrop. A physical examination revealed isolated weakness in the neck extensor muscles. Short T1 inversion recovery sequences revealed localized high signal intensity in the bilateral splenius capitis muscles, and needle electromyography revealed myopathic changes. Isolated neck extensor myopathy (INEM) secondary to sarcopenia was diagnosed. Steroid therapy was administered, which resulted in a significant improvement in the dropped head syndrome. This case highlights the importance of evaluating sarcopenia in patients who present with dropped head, and considering steroid treatment for INEM associated with inflammatory findings.

Indexed as

Muscular DiseasesNeck MusclesSarcopeniaElectromyographyFemaleHumansMiddle AgedMuscle Weaknessdropped head syndromeisolated neck extensor myopathysarcopenia

Identifiers

PMID40769897
PMCPMC13019014

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.