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JYMS : Journal of Yeungnam Medical Science

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2 "Ultrastructure"
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Case Report
Angiomatoid Fibrous Histiocytoma: A Case Report.
Joon Hyuk Choi, Woo Jung Sung, Nam Hyuk Lee
Yeungnam Univ J Med. 2007;24(2):315-321.   Published online December 31, 2007
DOI: https://doi.org/10.12701/yujm.2007.24.2.315
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  • 1 Crossref
AbstractAbstract PDF
Angiomatoid fibrous histiocytoma is a rare soft tissue tumor that generally affects children and young adults. We report a case of angiomatoid fibrous histiocytoma in an 11-year-old boy who complained of a back mass for 3 years. Surgical excision was performed. The excised specimen showed a 4.0 x 3.6 x 3.0 cm, well circumscribed, grayish white tumor, with multicystic changes. Histological examination showed proliferation of spindle or round shaped tumor cells. There was a dense fibrous pseudocapsule with prominent chronic inflammatory cell infiltrates.

Citations

Citations to this article as recorded by  
  • Imaging of childhood angiomatoid fibrous histiocytoma with pathological correlation
    Ali Yikilmaz, Bo-Yee Ngan, Oscar M. Navarro
    Pediatric Radiology.2015; 45(12): 1796.     CrossRef
Original Article
A Clinicopathological Study of Solid and Papillary Neoplasm of Pancreas.
Joon Hyuk Choi, Mi Jin Gu, Hong Jin Kim
Yeungnam Univ J Med. 1998;15(1):36-46.   Published online June 30, 1998
DOI: https://doi.org/10.12701/yujm.1998.15.1.36
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AbstractAbstract PDF
Solid and papillary epithelial neoplasm of pancreas is a rare tumor, usually affecting young women, and its histogenesis is still controversial. This study was performed to define the clinicopathologic features and cellular origin of this tumor. Eight female cases of solid and papillary epithelial neoplasm of pancreas were studied by analyzing the clinicopathologic findings and immunohistochemical and electron-microscopic findings. The age of eight cases ranged from 21 to 54 years (mean, 34 years). The tumors developed in the tail (4 cases), body-tail (2 cases), body (1 case) and head (1 case). The mean diameter of tumors was 9.3 cm (range, 5.5 to 13 cm). Tumors showed solid, cystic and hemorrhagic areas. Histologically, the tumor cells were uniformly round or polygonal in shape, and formed solid sheets and papillary pattern. On the immunohistochemical stain, 8 cases (100%) were immunoreactive for alpha1-antitrypsin, 7 cases (87.5%) for cytokeratin, 7 cases (87.5%) for progesterone receptor, 6 cases (75%) for vimentin, and 1 case (12.5%) for synaptophysin, respectively. None of them were immunoreactive for estrogen receptor. Electron microscopic examination showed many mitochondria, annulate lamellae and canaliculi-like gap. These findings suggest that solid and papillary epithelial tumor of pancreas possibly originates from totipotential stem cells.

JYMS : Journal of Yeungnam Medical Science
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