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Correct answer to the quiz. Check your diagnosis Cellular dermatofibroma
 
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1
Regional Hospital of John Paul II, Belchatow, Poland
 
2
Diagnostyka Consilio, Lodz, Poland
 
3
Oncological Surgery Clinic, Regional Hospital of John Paul II, Belchatow, Poland
 
These authors had equal contribution to this work
 
 
Submission date: 2025-03-11
 
 
Final revision date: 2025-08-04
 
 
Acceptance date: 2025-09-25
 
 
Publication date: 2025-12-30
 
 
Corresponding author
Magdalena Justyna Kacperska-Olborska
Dr. Magdalena Kacperska-Olborska Department of Pathomorfology Regional Hospital of John Paul II Belchatow, Poland
 
 
Pol J Pathol 2025;76(3):267-271
 
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ABSTRACT
Dermatofibroma (DF), also known as fibrous histiocytoma, is one of the most common cutaneous soft-tissue lesions, accounting for approximately 3% of skin lesion specimens received by dermatopathology laboratories. Dermatofibroma is a benign growth of oval cells in the dermis which resemble histiocytes and spindle cells that resemble fibroblasts. Clinically, DF can present as solitary, firm nodules to multiple papules with a relatively smooth surface. The aim of our study is to emphasize the crucial role of histopathology, which is the gold standard for diagnosis in suspicious and difficult cases, and sometimes requires the use of additional immunohistochemical staining.
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