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Lesions Reported as Plaque-Like CD34-Positive Dermal Fibroma Reveal Two Reproducible Clinicopathologic Patterns: Two

Wei Tan1, Mingyuan Xu1, Yeqiang Liu1

  • 1Department of Pathology, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China.

Journal of Cutaneous Pathology
|August 4, 2026
PubMed
Summary

Plaque-like CD34-positive dermal fibroma (PDF) and medallion-like dermal dendrocyte hamartoma (MDDH) lesions may represent two distinct clinicopathologic patterns. Recognizing these patterns aids in differentiating them from other CD34-positive spindle-cell tumors.

Keywords:
CD34‐positive dermal fibromadermatofibrosarcoma protuberansdermatopathologymedallion‐like dermal dendrocyte hamartomaspindle‐cell neoplasm

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