Cutaneous bacillary angiomatosis in the setting of immunosuppression: A rare case in a heart transplant recipient
Bibliographic record
Abstract
Bacillary angiomatosis is a rare, opportunistic infection caused by Bartonella spp . In the skin, neovascular proliferation results in erythematous and violaceous papules and nodules. While there are many reports of bacillary angiomatosis in solid organ transplant recipients, only two cases are documented in cardiac transplant recipients. Herein, we report a case of bacillary angiomatosis in a 67-year-old male post-orthotopic cardiac transplant who presented with erythematous papules scattered on the chest, back, and extremities. Biopsies revealed lobular capillary proliferation in the superficial dermis and positive Warthin–Starry staining. Nucleic acid amplification by PCR identified Bartonella quintana . After completing a 3-month course of doxycycline 100 mg twice daily, the patient had complete resolution of skin findings. The rise in solid organ transplants, combined with the expanding repertoire of immunosuppressive therapies, has significantly improved patient survival. However, it has also created a favorable environment for opportunistic infections, including bacillary angiomatosis, to emerge as a growing concern.
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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 | 0.002 | 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 | 0.003 |
| 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".