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Loss of dimethylated H3K27 (H3K27me2) expression is not a specific marker of malignant peripheral nerve sheath tumor (MPNST): An immunohistochemical study of 137 cases, with emphasis on MPNST and melanocytic tumors.
Thangaiah JJ, Westling BE, Roden AC, Giannini C, Tetzlaff M, Cho WC, Folpe AL. Thangaiah JJ, et al. Ann Diagn Pathol. 2022 Aug;59:151967. doi: 10.1016/j.anndiagpath.2022.151967. Epub 2022 May 6. Ann Diagn Pathol. 2022. PMID: 35567887
METHODS: We compared the expression of H3K27me3 and H3K27me2 by immunohistochemistry in a series of MPNST (n = 26), neurofibroma (n = 11), conventional dermatofibrosarcoma protuberans (n = 8), fibrosarcomatous dermatofibrosarcoma protuberans (n = 7), spindle …
METHODS: We compared the expression of H3K27me3 and H3K27me2 by immunohistochemistry in a series of MPNST (n = 26), neurofibroma (n = 11), …
Bednar tumor of the foot: a case report.
Vandeweyer E, Deraemaecker R, Somerhausen ND, Geledan L, Gebhart M. Vandeweyer E, et al. Foot Ankle Int. 2001 Apr;22(4):339-41. doi: 10.1177/107110070102200412. Foot Ankle Int. 2001. PMID: 11354449 Review.
The dendritic cells are the primary feature that distinguish this lesion from conventional dermatofibrosarcoma protuberans. We report here a case of Bednar tumor occurring on the dorsal aspect of the foot in a young female....
The dendritic cells are the primary feature that distinguish this lesion from conventional dermatofibrosarcoma protuberans …
A case of congenital pigmented dermatofibrosarcoma protuberans (Bednar tumor) in a patient with Fanconi anemia.
Lee DW, Yang JH, Won CH, Chang SE, Lee MW, Choi JH, Moon KC. Lee DW, et al. Pediatr Dermatol. 2011 Sep-Oct;28(5):583-5. doi: 10.1111/j.1525-1470.2011.01350.x. Epub 2011 Mar 25. Pediatr Dermatol. 2011. PMID: 21438918
No significant clinicopathologic differences exist between Bednar tumor and conventional dermatofibrosarcoma protuberans apart from the presence of scattered nonneoplastic pigmented dendritic cells in the former. ...
No significant clinicopathologic differences exist between Bednar tumor and conventional dermatofibrosarcoma protuberans …
Expression of COL1A1-PDGFB fusion transcripts in superficial adult fibrosarcoma suggests a close relationship to dermatofibrosarcoma protuberans.
Sheng WQ, Hashimoto H, Okamoto S, Ishida T, Meis-Kindblom JM, Kindblom LG, Hisaoka M. Sheng WQ, et al. J Pathol. 2001 May;194(1):88-94. doi: 10.1002/path.839. J Pathol. 2001. PMID: 11329146
Recently, the COL1A1-PDGFB chimeric gene resulting from a reciprocal translocation, t(17;22), and/or a supernumerary ring chromosome, r(17;22), has been identified, not only in conventional dermatofibrosarcoma protuberans (DFSP) but also in areas of DFSP with …
Recently, the COL1A1-PDGFB chimeric gene resulting from a reciprocal translocation, t(17;22), and/or a supernumerary ring chromosome, r(17;2 …