Nephrogenic Fibrosing Dermopathy and Alpha-1 Antitrypsin Deficiency: A Case Report of a Hemodialysis Dependent Man
Bibliographic record
Abstract
Nephrogenic fibrosing dermopathy (NFD) is a rare newly described scleromyxedema-like cutaneous disease that occurs in renal failure patients. Since the year 2000, NFD has been identified in patients on hemodialysis, peritoneal dialysis, renal transplantation and no dialysis. Objective: To discuss the clinical presentation of a case of NFD, which compounded the course of alpha-1 antitrypsin (A1AT) deficiency. This 23-year-old man on hemodialysis thrice weekly had rapid deterioration of functional abilities. The patient was previously ambulatory, but he became contracted and bedridden over several weeks. He had a brawny thickening of his skin over his arms, legs and chest. He complained of intolerable burning joint pain during hemodialysis. After a failed trial of steroid therapy NFD was diagnosed by biopsy. He subsequently became hypercalcemic secondary to immobilization. His existing A1AT deficiency presented as liver failure, hyperammonemia and encephalopathy. He was cachetic and his nutritional status was difficult to manage due to medically induced diarrhea, poor appetite, confused mental state and infected total parenteral nutrition lines. A dual liver-kidney transplant was considered, but several factors prevented surgery including: poor nutritional status, scant data to suggest resolution of NFD after transplantation and lack of profound liver failure. His nutritional status, contractures, mental status and liver function never recovered, and six months after diagnosis of NFD the patient died. Conclusions: This case of NFD resulted in a rapid decline of function from ambulatory young man to contracted and bedridden invalid. The NFD did not respond to therapy and compounded the course of A1AT. NFD contributed to hypercalcemia of immobility, intolerance of hemodialysis and cachexia.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.002 |
| Meta-epidemiology (narrow) | 0.002 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.003 | 0.001 |
| Science and technology studies | 0.003 | 0.001 |
| Scholarly communication | 0.002 | 0.002 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.004 | 0.002 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".