Tracing the clinicodermoscopic and histopathological evolution of acquired reactive perforating collagenosis: a case report
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By
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Jue Wang
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Lizhu Chen
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Xinlong Chen
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Nuoyan Li
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Mingling Chen
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Zhifei Wen
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June 16, 2026
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Clinical Scorecard: Examining the Clinicodermoscopic and Histopathological Progression of Acquired Reactive Perforating Collagenosis: A Case Study
At a Glance
| Category | Detail |
|---|
| Condition | |
| Key Mechanisms | Transepidermal elimination of altered dermal collagen |
| Target Population | Patients with systemic metabolic disorders, particularly diabetes mellitus |
| Care Setting | |
Key Highlights
- ARPC often misdiagnosed before overt transepidermal elimination occurs
- Early lesions show distinct dermoscopic features compared to fully developed lesions
- Histopathological examination reveals abnormal collagen aggregation in early lesions
- Dermoscopy aids in biopsy-site selection for accurate diagnosis
Guideline-Based Recommendations
Diagnosis
- Utilize dermoscopy for early identification of ARPC features
- Consider targeted biopsy of early lesions for histopathological confirmation
Management
- Recognize early signs of ARPC
Monitoring & Follow-up
- Regular follow-up for patients with systemic metabolic disorders to identify skin changes
Risks
- Misdiagnosis can lead to inappropriate treatment and delayed management
Patient & Prescribing Data
Individuals with a history of metabolic disorders, particularly diabetes mellitus
Clinical Best Practices
- Correlate dermoscopic findings with histopathological changes
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