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- Title
High immunohistochemical nestin expression is associated with greater depth of infiltration in dermatofibrosarcoma protuberans: a study of 71 cases.
- Authors
Serra‐Guillén, Carlos; Llombart, Beatriz; Nagore, Eduardo; Requena, Celia; Traves, Victor; Llorca, David; Kindem, Sabrina; Alcalá, Rebeca; Guillén, Carlos; Sanmartín, Onofre
- Abstract
Background Dermatofibrosarcoma protuberans ( DFSP) was recently shown to express nestin, a marker that has been associated with poorer prognosis when present in high levels in certain tumors. The objective of this study is to explore the association between high nestin expression and deep invasion. Methods We performed a retrospective, observational study in which we evaluated the degree of nestin expression in 71 DFSP. The odds of fascial involvement was calculated before and after adjusting for the following confounders: age, sex, tumor size, time to diagnosis, tumor site, the presence of fibrosarcomatous areas, pleomorphism, number of mitotic figures and predominant histopathologic pattern. We also calculated the Spearman Rho correlation coefficient between nestin staining intensity and depth of invasion. Results Nestin immunopositivity was found in 98.6% of the tumors, and high expression levels were significantly associated with invasion of the fascia. The odds of fascial involvement in tumors with strong nestin staining was 6.56 (p = 0.001) before adjustment for confounders and 14.86 after adjustment (p = 0.007). The Spearman rho correlation coefficient between nestin expression and deep invasion was 0.287 (p = 0.015). Conclusion High inmunohistochemical nestin expression appears to be associated with deeper invasion in DFSP.
- Subjects
SKIN tumors; DERMIS tumors; GENE expression; FASCIAE (Anatomy); IMMUNOHISTOCHEMISTRY
- Publication
Journal of Cutaneous Pathology, 2013, Vol 40, Issue 10, p871
- ISSN
0303-6987
- Publication type
Article
- DOI
10.1111/cup.12203