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		题名	作者	年代	出处	被引量
	1	Evidence for colorectal sarcomatoid carcinoma arising from tubulovillous adenoma显示文摘Sarcomatoid carcinomas of the colorectum are rare tu- mors that display both malignant epithelial and stromal components. Clinically, they are aggressive tumors with early metastasis. Due to their infrequent occurrence, the pathogenesis is poorly understood. We report a case of a 52-year-old woman who presented with a rectal mass and intermittent hematochezia. Superficial biopsies during colonoscopy revealed a tubulovillous adenoma with high-grade dysplasia. Endoscopic ultra- sonography confirmed an invasive nature of the mass, and deeper biopsies revealed the presence of neoplasm with mixed histological components. The surgically- excised specimen demonstrated the presence of poorly differentiated spindle cells underneath the tubulovillous adenoma and an intermediate stage of invasive adeno- carcinoma. Based on the histological appearance and immunohistochemical studies, a diagnosis of sarcoma- toid carcinoma was made. Only nine cases of sarcoma- toid carcinomas of the colorectum have been reported to date. As a result, the terminology and pathogenesis of sarcomatoid carcinoma remain speculative. To the best of our knowledge, this is the first report of co- existence of sarcomatoid carcinoma and invasive ad- enocarcinoma with tubulovillous adenoma; all stages represented within the same tumor. This observation supports the 'monoclonal theory' of pathogenesis with an adenoma-sarcoma progression with or without an intermediate stage of carcinoma.	Jeffrey K Lee Pradipta Ghosh Valerie McWhorter Misty Payne Ryan Olson Mary L Krinsky Sonia Ramamoorthy John M Carethers	2008	World Journal of Gastroenterology2008，14，27：	2
	2	Maximum class separability for roughfuzzy c-means based brain mr image segmentation 显示文摘	Pradipta M Sankar K P	2008	Transactions on Rough Sets Ⅸ2008，5390，7：	1
	3	Rough-fuzzy C-Medoids Algorithm and Selection of Bio-basis for Amino Acid Sequence Analysis 显示文摘	Pradipta M Sankar K P	2007	IEEE Transactions on Knowledge and Data Engineering2007，19，6：	1
	4	Tuned Liquid Dampers for Controlling Earthquake Response of Structures 显示文摘	PRADIPTA B MOHAN M	2000	Earthquake Engineering and Structural Dynamics2000，29，5：	1
	5	Tuned liquid dampers for controlling earthquake response of structures 显示文摘	PRADIPTA B M M	2000	Earthquake Engineering and Structural Dynamics2000，，29：	1
	6	Rough set based generalized fuzzyC-means algorithm and quantitative indices 显示文摘	PRADIPTA M SANKAR K P	2007	IEEE Trans onSystems Man and Cybernetics2007，37，6：	1

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