Publications by authors named "Gideon Tan"

Intra-osseous hemangiomas are uncommon tumors that can present diagnostic and treatment dilemmas. Bone hemangiomas with papillary and glomeruloid growth patterns are exceptionally rare. We present an example of an intra-osseous hemangioma of the rib displaying aggressive features on both radiology and histology.

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MicroRNAs (MiRNAs) are small, non-coding RNA molecules that function in RNA silencing and post-transcriptional regulation of gene expression. We analyzed the differential expression of miRNAs in 119 endometrial carcinomas, measuring their expression in histological subtypes, molecular subtypes, and tumors with mutations. Tumors were subdivided into histological and molecular subtypes as defined by The Cancer Genome Atlas.

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Background: Oncocytic myoepithelial carcinoma ex pleomorphic adenoma neoplastic is a rare neoplastic event and may not display overt malignant radiological features.

Methods: Using routine histopathology and immunohistochemistry, we characterize a case of low-grade oncocytic carcinoma ex pleomorphic adenoma.

Results: The tumor arose in the left parotid gland in a 59 year old female.

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Falls efficacy is a widely studied construct. The understanding of falls efficacy has evolved over time. Falls efficacy was initially perceived to be suitably used as a measure of fear of falling.

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We present a case of a 1.0 cm primary tumor of the left parotid gland that meets the histological criteria for the recently described entity sclerosing microcystic adenocarcinoma. The patient was a 73-year-old man with a concurrent tonsillar squamous cell carcinoma, and a history of nasopharyngeal carcinoma treated with radiotherapy 23 years prior.

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Objective: To assess the feasibility of cone beam CT (CBCT) in achieving unipedicular access during spinal cement augmentation.

Methods: A retrospective review of all patients who underwent CBCT-guided unipedicular spinal augmentation procedures between 1 January 2012 and 15 June 2015 was performed. 59 patients (43 females 16 males; mean-age, 74.

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Chronic obstructive pulmonary disease (COPD) affects approximately 7% of Americans. COPD impacts productivity and forces 1 in 5 employees ages 45-65 years old to retire prematurely. Our objective was to quantify the direct and indirect costs of COPD in an employed population in the United States.

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