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- Malignant Solitary Fibrous Tumor with Heterologous Rhabdomyosarcomatous Differentiation: A Case Report
- Jeong-Hwa Kwon, Joon Seon Song, Hye Won Jung, Jong-Seok Lee, Kyung-Ja Cho
- J Pathol Transl Med. 2017;51(2):171-175. Published online February 3, 2017
- DOI: https://doi.org/10.4132/jptm.2016.08.29
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- 4 Crossref
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Abstract
PDF - Malignant solitary fibrous tumor (MSFT) is a well-described entity, from which heterologous differentiation is extremely rare. We encountered a case of MSFT with rhabdomyosarcomatous differentiation in a 56-year-old man. This patient presented with a large mass in his posterior thigh. He had been treated with chemoradiation for sarcoma involving the cervical spine, right femoral head, and both lungs 6 months earlier. A wide excision was performed. The mass measured 10.6 cm and showed a fish-flesh cut surface with necrotic foci. Microscopically, the tumor showed heterogeneous cellularity with a hemangiopericytic vascular pattern. A hypercellular area showed spindle cells or epithelioid cells with high mitotic activity (63/10 high-power fields) and immunoreactivity for CD34 and CD99. A hypocellular area and a cystic area showed pleomorphic rhabdoid cells with immunoreactivity for desmin and myogenin. This is a report of a rare case of MSFT with rhabdomyosarcomatous differentiation and presents new histologic features of MSFT.
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Citations
Citations to this article as recorded by
- A Rare Case of Malignant Solitary Fibrous Tumor on the Scalp
Kwang-Ryeol Kim, Ki Hong Kim
Keimyung Medical Journal.2023; 42(2): 107. CrossRef - Malignant solitary fibrous tumor of maxilla presenting as proptosis: A case report
Pravin Kumar, Arpita Jindal, Bhushan Bhalgat, Phanindra Kumar Swain, Raj Govind Sharma
Journal of Cancer Research and Therapeutics.2023; 19(Suppl 2): S991. CrossRef - Recurrent malignant solitary fibrous tumor of the scalp: a case report and literature review
Ahmed Rabie, Abdulkarim Hasan, Yasein Mohammed, Ayman Abdelmaksoud, Ali A. Rabaan
Journal of Pathology and Translational Medicine.2022; 56(2): 103. CrossRef - Frozen Cytology of Meningeal Malignant Solitary Fibrous Tumor/Hemangiopericytoma
Myunghee Kang, Na Rae Kim, Dong Hae Chung, Gie-Taek Yie
Journal of Pathology and Translational Medicine.2019; 53(3): 192. CrossRef
- A Rare Case of Malignant Solitary Fibrous Tumor on the Scalp
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