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Pleomorphic hyalinizing angiectatic tumor revisited: all tumors manifest typical morphologic features of myxoinflammatory fibroblastic sarcoma, further suggesting 2 morphologic variants of a single entity
M. Michal, DV. Kazakov, L. Hadravský, A. Agaimy, M. Švajdler, N. Kuroda, M. Michal,
Language English Country United States
Document type Journal Article
- MeSH
- Fibrosarcoma pathology MeSH
- Immunohistochemistry MeSH
- Middle Aged MeSH
- Humans MeSH
- Biomarkers, Tumor analysis MeSH
- Soft Tissue Neoplasms pathology MeSH
- Aged MeSH
- Check Tag
- Middle Aged MeSH
- Humans MeSH
- Male MeSH
- Aged MeSH
- Female MeSH
- Publication type
- Journal Article MeSH
We describe 9 cases of pleomorphic hyalinizing angiectatic tumor (PHAT). Recently described TGFBR3 and MGEA5 gene rearrangements in these tumors have confirmed the long-hypothesized link between PHAT and another soft tissue entity, the myxoinflammatory fibroblastic sarcoma (MIFS). Myxoinflammatory fibroblastic sarcoma and PHAT share the same translocation and in addition have a very similar clinical presentation. However, to our best knowledge, no study has ever addressed the striking morphologic similarities between MIFS and PHAT. Our findings based on histological criteria suggest that most, if not all, tumors diagnosed as PHAT might, in fact, represent examples of MIFS that, in addition to a conventional MIFS morphology, manifest aberrant angiectatic hyalinized vessels.
Department of Pathology Louis Pasteur University Hospital Kosice Slovakia
Institute of Pathology Friedrich Alexander University Erlangen Nürnberg Erlangen Germany
References provided by Crossref.org
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- $a Michal, Michael $u Department of Pathology, Charles University, Biomedical Center, Faculty of Medicine in Plzen and Charles University Hospital Plzen, Czech Republic. Electronic address: michael.michal@medima.cz.
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- $a We describe 9 cases of pleomorphic hyalinizing angiectatic tumor (PHAT). Recently described TGFBR3 and MGEA5 gene rearrangements in these tumors have confirmed the long-hypothesized link between PHAT and another soft tissue entity, the myxoinflammatory fibroblastic sarcoma (MIFS). Myxoinflammatory fibroblastic sarcoma and PHAT share the same translocation and in addition have a very similar clinical presentation. However, to our best knowledge, no study has ever addressed the striking morphologic similarities between MIFS and PHAT. Our findings based on histological criteria suggest that most, if not all, tumors diagnosed as PHAT might, in fact, represent examples of MIFS that, in addition to a conventional MIFS morphology, manifest aberrant angiectatic hyalinized vessels.
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