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Published on: November 23, 2017
Nevoid bag-like soft fibromas
M Worm1, W Skarabis, H Audring
1Department of Dermatology, Charité, Humboldt University, Berlin, Germany. margitta.worm@charite.de
Summary
True nevi are skin lesions caused by genetic mosaicism. Researchers describe a new case of nevoid bag-like soft fibromas in a young man, suggesting a novel malformation within nevoid tumors.
Area of Science:
- Dermatology
- Genetics
- Pathology
Background:
- True nevi and nevoid disorders are characterized by visible, circumscribed, and persistent skin lesions.
- These conditions are understood to arise from genetic mosaicism, where different cells within an individual have distinct genetic makeups.
Observation:
- A case study of a 17-year-old male is presented.
- The patient exhibited large, pedunculated soft fibromas.
- These fibromas were localized to a specific region on the right side of his abdomen.
Findings:
- The observed fibromas are described as 'nevoid bag-like soft fibromas'.
- This presentation is suggested to be a previously undocumented malformation.
- The findings contribute to the understanding of the heterogeneous group of nevoid tumors.
Implications:
- This case expands the known spectrum of nevoid tumors and skin malformations.
- It highlights the diverse clinical manifestations of genetic mosaicism.
- Further research may elucidate the specific genetic underpinnings and developmental pathways of this new malformation.

