Evidence map›Paper›PMID 31796457›Full record

ReviewBMJ case reports2019

Pseudogout or pseudolymphoma? Calcium pyrophosphate deposition disease of the cervical spine: a rare presentation and literature review.

Sanchit Turaga, Michael Thomas, Lloyd Savy, Benjamin E Schreiber

Open access · greenAbstract readCase ReportsReview
In one paragraph

Review in BMJ case reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
1.2field-weighted citation impact, top 22% 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

10 citing papers in PubMed, 12 citations in OpenAlex.

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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

4 authors at 3 institutions in 1 country.

Sanchit TuragaNuffield Department of Medicine, John Radcliffe Hospital, Oxford, UK sanchit.turaga.11@ucl.ac.uk.
Michael ThomasDepartment of Emergency Medicine, Royal Berkshire Hospital, Reading, UK.
Lloyd SavyDepartment of Neuroradiology, Royal Free London NHS Foundation Trust, London, UK.
Benjamin E SchreiberDepartment of Rheumatology, Royal Free London NHS Foundation Trust, London, UK.
Royal Free London NHS Foundation Trust · GBJohn Radcliffe Hospital · GBRoyal Berkshire Hospital · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Calcium pyrophosphate deposition (CPPD) disease is a crystal arthropathy primarily affecting peripheral joints, most commonly the wrist and the knees. However, CPPD in the cervical spine is a rare entity. This report describes a case of CPPD of the cervical spine which presents with symptoms of neck pain and brachalgia. A 62-year-old woman presented with left-sided upper limb and neck pain. MRI scanning revealed a low signal abnormality within the C6 and C7 vertebrae, and the possibility of lymphoma was raised. The patient was recalled for gadolinium-enhanced scans which showed perivertebral and marrow enhancement. Fine-needle aspirate histology initially suggested a spindle cell tumour or lymphoma. However, CT-guided biopsy showed positively birefringent crystals, confirming CPPD. CPPD of the spine is a rare differential of nerve impingement in the cervical spine when MRI scanning perivertebral signal enhancement. Furthermore, CPPD of the spine can mimic malignancy.

Indexed as

Biopsy, Fine-NeedleCalcium PyrophosphateCervical VertebraeChondrocalcinosisDiagnosis, DifferentialFemaleHumansImage-Guided BiopsyLymphomaMiddle AgedNeck PainSpinal DiseasesTomography, X-Ray ComputedCalcium Pyrophosphateneuroimagingradiologyrheumatology

Identifiers

PMID31796457
PMCPMC7001700
OpenAlexW2994066764

What OpenQuestion holds

Textmetadata
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.