Severe acitretin-induced diffuse idiopathic skeletal hyperostosis: a case report
Bibliographic record
Abstract
Diffuse idiopathic skeletal hyperostosis (DISH), also known as Forestier-Rotes-Querol disease, is a systemic noninflammatory disease characterized by ossification of the entheses. DISH predominantly affects the spine. Although peripheral involvement is also often reported, it rarely affects patients' function. A 77-year-old man presented to our emergency department because of incapacitating pain and stiffness in the spine and hips. The patient had been diagnosed with biopsy-proven mycosis fungoides 3 years earlier and had been treated with oral acitretin at 25 to 50 mg daily since diagnosis. However, the patient gradually developed a severely limited range of motion in his spine and hips (left > right), significantly impairing his mobility and activities of daily living. Cervical and dorsolumbar radiographs showed extensive ossification along the anterior longitudinal ligament; this finding was compatible with DISH and had not been present in radiographs taken 3 years earlier. Pelvic radiographs showed multiple enthesophytes predominantly around the coxofemoral joints. DISH has been reported as a possible long-term adverse effect of acitretin. Despite optimal conservative treatment, the patient remained severely impaired and thus finally underwent extensive osteophyte excision and total hip replacement on the left side. His acitretin therapy was also stopped to prevent further progression of his DISH.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.003 | 0.011 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
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.
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 teacher head, 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".