K
Kesavan Sittampalam
Researcher at Singapore General Hospital
Publications - 37
Citations - 511
Kesavan Sittampalam is an academic researcher from Singapore General Hospital. The author has contributed to research in topics: Medicine & Sarcoma. The author has an hindex of 8, co-authored 30 publications receiving 384 citations.
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Journal ArticleDOI
Angiomatoid fibrous histiocytoma: unusual sites and unusual morphology
Gang Chen,Andrew L. Folpe,Thomas V. Colby,Kesavan Sittampalam,Martine Patey,Ming Guang Chen,John K.C. Chan +6 more
TL;DR: Comparison of the reported cases of extrasomatic angiomatoid fibrous histiocytoma with their somatic soft tissue counterparts showed a number of differences: higher mean age, slight male predominance (particularly for bone lesions), larger tumors, higher frequency of systemic symptoms, higher recurrence rate, myxoid change being more common and a muchHigher frequency of EWS/ATF1 gene fusion.
Journal ArticleDOI
Characterization of FN1-FGFR1 and novel FN1-FGF1 fusion genes in a large series of phosphaturic mesenchymal tumors.
Jen-Chieh Lee,Sheng Yao Su,Sheng Yao Su,Chun A. Changou,Rong-Sen Yang,Keh-Sung Tsai,Michael T. Collins,Eric S. Orwoll,Chung Yen Lin,Shu Hwa Chen,Shyang-Rong Shih,Cheng-Han Lee,Yoshinao Oda,Steven D. Billings,Chien-Feng Li,G. Petur Nielsen,Eiichi Konishi,Fredrik Petersson,Thomas O. Carpenter,Kesavan Sittampalam,Hsuan-Ying Huang,Andrew L. Folpe +21 more
TL;DR: Insight is provided into possible mechanisms underlying the pathogenesis of phosphaturic mesenchymal tumor and imply a central role of the FGF1-FGFR1 signaling pathway.
Journal ArticleDOI
Cribriform-morular variant of papillary carcinoma: the sporadic counterpart of familial adenomatous polyposis-associated thyroid carcinoma. A case report with clinical and molecular genetic correlation.
TL;DR: A case of a thyroid tumour in a previously well, 46‐year‐old female with the absence of polyps on colonoscopy and germline mutation in the adenomatous polyposis coli (APC) gene provides evidence that this tumour represents the sporadic counterpart of FAP‐associated thyroid carcinoma.
Journal ArticleDOI
Biological significance and prognostic relevance of peripheral blood neutrophil-to-lymphocyte ratio in soft tissue sarcoma.
Jason Yongsheng Chan,Zewen Zhang,Winston Chew,Grace Fangmin Tan,Chloe Liwen Lim,Lingyue Zhou,Wei Lin Goh,Eileen Poon,Nagavalli Somasundaram,Sathiyamoorthy Selvarajan,Sathiyamoorthy Selvarajan,Kesavan Sittampalam,F. Chin,Jonathan Yi Hui Teh,M.H. Tan,Khee Chee Soo,Melissa Ching Ching Teo,Mohamad Farid,Richard Quek +18 more
TL;DR: High NLR is an independent marker of poor prognosis among patients with STS, and was significantly higher in patients with distant metastasis at diagnosis compared to those without.