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Cervical spine abnormalities in Down Syndrome
Frost M, Huffer WE, Sze CI, Badesch D, Cajade-Law AG, Kleinschmidt-DeMasters BK.. Clinical neuropathology, 1999-09-01
Topic: Brain proteins, microglia and lab models
Down Syndrome (DS) is the most common of the chromosomal disorders and manifests abnormalities in several organ systems. While mental retardation, skull and brain anomalies, and the development of Alzheimer-type neuropathological changes in patients greater than age 40 years are well recognized by neurologists and neuropathologists, less appreciated are the various cervical spine abnormalities that can occur. Widening of the anterior atlanto-odontoid distance (AAOD) and atlantooccipital instability occur in up to 21% and 63% of DS patients, respectively, but neurologic complaints are uncommon and rarely are severe enough to contribute to the patient's demise. We present a case of 49-year-old DS patient whose triplegia, subacute progressive respiratory failure, and death could be attributed to severe degenerative joint disease of the cervical spine with osteophyte formation and severe spinal canal stenosis. We provide the first detailed correlation study between pre-mortem magnetic resonance imaging (MRI) and extensive autoptic dissection in an adult DS patient with cervical spine abnormalities, as well as a review of the literature.
Key findings
- Down Syndrome (DS) is the most common of the chromosomal disorders and manifests abnormalities in several organ systems.
- While mental retardation, skull and brain anomalies, and the development of Alzheimer-type neuropathological changes in patients greater than age 40 years are well recognized by neurologists and neuropathologists, less appreciated are the various cervical spine abnormalities that can occur.
- Widening of the anterior atlanto-odontoid distance (AAOD) and atlantooccipital instability occur in up to 21% and 63% of DS patients, respectively, but neurologic complaints are uncommon and rarely are severe enough to contribute to the patient's demise.
- We present a case of 49-year-old DS patient whose triplegia, subacute progressive respiratory failure, and death could be attributed to severe degenerative joint disease of the cervical spine with osteophyte formation and severe spinal canal stenosis.
- We provide the first detailed correlation study between pre-mortem magnetic resonance imaging (MRI) and extensive autoptic dissection in an adult DS patient with cervical spine abnormalities, as well as a review of the literature.
Why it matters
This case report describes a 49-year-old person with Down syndrome whose triplegia, respiratory failure and death were attributed to severe degenerative cervical spine disease. It concerns cervical spine abnormalities, not the treatment, cure or prevention of Alzheimer's disease.
Study details
- Evidence strengthLow
How this study scored 33/100
Published in a peer-reviewed journal. Scored zero for study design, sample size, effect reported and randomised / blinded because the record does not state it. We have no data on journal's citation record, so that was left out: it earned 32 of the 96 points we could judge it on, which is 33 out of 100.
| Component | Points | Why |
|---|---|---|
| Journal tier | 7 / 10 | Tier 3 — peer-reviewed journal (Clinical neuropathology) |
| Journal's citation record | — / 4 | No journal record from OpenAlex — left out of this score |
| Study design | 0 / 12 | No study design recorded — scores zero, not guessed (not stated in the record — scored 0) |
| Strength of evidence | 1 / 5 | Rated “low” in our summary |
| Peer-review validation | 10 / 10 | Peer-reviewed. Published as an article in a named peer-reviewed journal. |
| How recent | 1 / 5 | 1999 — older than 20 years, still counted |
| Sample size | 0 / 4 | Participant count not stated — scores zero (not stated in the record — scored 0) |
| Effect reported | 0 / 3 | No effect size reported — scores zero (not stated in the record — scored 0) |
| Studied in people | 3 / 3 | Studied in people (pubmed indexes it as a clinical or observational study) |
| Randomised / blinded | 0 / 2 | No randomisation or blinding stated — scores zero (not stated in the record — scored 0) |
| Times cited | 3 / 7 | Cited 25 times (OpenAlex, 2026-10-10) |
| Citations per year | 0 / 5 | 0.9 citations a year over 29 year(s) since 1999 |
| Impact for its field and year | 1 / 6 | Cited 0.4× the average for papers of its field and year (OpenAlex FWCI) |
| Cited by studies here | 0 / 6 | No other study in this library cites it |
| Still being cited | 0 / 4 | Cited 0 times in 2024–2026 (2026 still in progress; OpenAlex) |
| Senior author's track record | 3 / 4 | Last-listed author Bette Kay Kleinschmidt-DeMasters: h-index 70 (OpenAlex, whole career) |
| Institution's track record | 1 / 3 | University of Colorado Anschutz: institution h-index 768 (OpenAlex) |
| Multi-centre collaboration | 0 / 3 | OpenAlex lists 1 institution(s) in 1 country — scores zero (affiliation lists can be incomplete) |
| Indexed in PubMed | 2 / 2 | Indexed in PubMed (PMID 10505434) |
| Free to read | 0 / 2 | Behind a paywall — scores zero |
| Points | 32 / 96 | Scored on 19 of 20 parts. We have no data for the rest, so they are left out: 32 of the 96 points we could judge it on is 33 out of 100. |
| Total | 33 / 100 | — |
What each of these 20 components measures, and what this score is not →
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Cite this study APA, Vancouver, BibTeX · download .bib or .ris
Built from the record alzhub holds for this paper, not looked up. This record has no DOI, so the citation leaves it out. Volume, issue and page numbers are not held in the record. Check the citation against the original before you use it.
APA 7th
Frost, M., Huffer, W. E., Sze, C. I., Badesch, D., Cajade-Law, A. G., & Kleinschmidt-DeMasters, B. K. (1999). Cervical spine abnormalities in Down Syndrome. Clinical neuropathology.
Vancouver
Frost M, Huffer WE, Sze CI, Badesch D, Cajade-Law AG, Kleinschmidt-DeMasters BK. Cervical spine abnormalities in Down Syndrome. Clinical neuropathology. 1999. PMID: 10505434.
BibTeX
@article{frost1999-10505434,
author = {Frost, M. and Huffer, W. E. and Sze, C. I. and Badesch, D. and Cajade-Law, A. G. and Kleinschmidt-DeMasters, B. K.},
title = {{Cervical spine abnormalities in Down Syndrome}},
journal = {Clinical neuropathology},
year = {1999},
pmid = {10505434}
}