Early Lyme neuroborreliosis manifesting as brachial plexopathy and meningitis in Northwestern Ontario, Canada: A case report
Bibliographic record
Abstract
RATIONALE: Lyme disease is a tick-borne disease caused by the spirochete B. burgdorferi, and patients often present with symptoms comparable to a viral-like illness. The diagnosis can be challenging given its wide range of manifestations and diagnostic testing can take days or longer. Here, we present a case of Lyme disease presenting as brachial plexopathy and meningitis. PATIENT CONCERNS: A 76-years-old male presented to a tertiary-care hospital with left arm weakness and neck pain. DIAGNOSIS: Our patient was diagnosed with Lyme neuroborreliosis and had positive serology, including enzyme immunoassay and Western blot. INTERVENTIONS: Our patient received 17 days of ceftriaxone (2g IV daily) followed by oral doxycycline (100mg bid). OUTCOMES: Over the subsequent year, our patient had eventual complete recovery in muscle strength and sensation, with slower improvement to the cervical neck and left arm pain. LESSONS: Incidence of Lyme disease is increasing in North America, and the disease has a wide range of symptoms. Lyme neuroborreliosis (LNB) is 1 presentation and can present with early or late manifestations; clinicians should maintain a high index of suspicion and begin empiric treatment in individuals with a clinical syndrome consistent with LNB. Early LNB manifestations have onset within 6 months of infection and include cranial and peripheral neuropathy, radiculitis, and aseptic meningitis; late LNB encompasses a chronic encephalomyelitis.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.002 | 0.003 |
| Science and technology studies | 0.007 | 0.002 |
| Scholarly communication | 0.002 | 0.001 |
| Open science | 0.002 | 0.002 |
| Research integrity | 0.002 | 0.002 |
| Insufficient payload (model declined to judge) | 0.004 | 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".