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Record W4414298140 · doi:10.1016/j.xkme.2025.101107

Impaired Kidney Function With Kidney Tubular Vacuolization and Crystals in Adult Refsum Disease: A Case Report

2025· article· en· W4414298140 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.
fundA Canadian funder is recorded on the work.

Bibliographic record

VenueKidney Medicine · 2025
Typearticle
Languageen
FieldMedicine
TopicBiomedical Research and Pathophysiology
Canadian institutionsSt. Paul's HospitalUniversity of British Columbia
FundersUniversity of British Columbia
KeywordsKidneyNephronophthisisKidney diseasePolyuriaVacuolizationNephrologyHomogentisic acidPhytanic acidRenal function

Abstract

fetched live from OpenAlex

Adult Refsum disease is a rare hereditary peroxisomal disorder characterized by impaired phytanic acid metabolism. The accumulation of phytanic acid in tissues, especially adipose and neural, is believed to contribute to disease manifestations. Clinically apparent kidney dysfunction has been reported in only 2 cases. We describe a 55-year-old woman with adult Refsum disease, who was referred to nephrology for impaired kidney function without proteinuria. Kidney biopsy showed vacuolization of proximal tubular epithelium and unremarkable glomeruli. Focally, distal tubular cytoplasm showed variably sized crystals with ultrastructural laminated substructures (or "paracrystalline formation"). To the best of our knowledge, the light microscopy for these crystals in a peroxisomal disease has not been previously described, and adult Refsum disease has not been described as a significant metabolic kidney disorder. These unique morphologic features contribute to the spectrum of findings in this rare genetic condition. This case also demonstrates the value of kidney function monitoring and therapeutic plasma exchange for these patients.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.018
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMetaresearch
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: Not applicable
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.358
Threshold uncertainty score0.990

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.018
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0010.001
Science and technology studies0.0000.001
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.013
GPT teacher head0.303
Teacher spread0.290 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it