ArticleBMJ case reports2015
When myopathy breaks the rules: a late-onset distal presentation.
Article in BMJ case reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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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.
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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.
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Who cites it
2 citing papers in PubMed, 2 citations in OpenAlex.
- Review
- Panorama of the distal myopathies.Acta myologica : myopathies and cardiomyopathies : official journal of the Mediterranean Society of Myology · 2020Review
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Myopathies typically present with proximal or generalised muscle weakness, but it is important for clinicians to recognise they may also have other distributions. This paper describes a case of distal myopathy that was confirmed genetically as ZASP (Z-band alternatively spliced PDZ motif-containing protein) myofibrillar myopathy (MFM). MFMs are particularly topical because the genetic basis of several have recently been established, enabling diagnosis of conditions previously labelled 'idiopathic myopathy', and shedding new light on their pathophysiology. This paper describes a purely distal lower limb phenotype of ZASP MFM, the pathophysiology of ZASP and other MFMs, and the differential diagnosis of late-onset distal symmetrical weakness. The case includes several learning points: ZASP MFM is a new diagnosis; it should be included in differential diagnoses for late-onset myopathy, especially if there is a distal pattern or autosomal dominant inheritance; testing for cardiomyopathy is recommended, and a genetic test is now available.
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