Results 171 to 180 of about 15,828 (233)
Geophysical Research Letters, Volume 53, Issue 2, 28 January 2026.Abstract Coral biomineralization typically yields either aragonite (in most scleractinians) or calcite (in octocorals), yet the drivers of this polymorph choice remain debated. Here we report a deep‐sea gorgonian coral (Callogorgia sp.) with a coaxial calcite–aragonite–calcite skeleton.
Miaohong He +8 more
wiley +1 more source
Feasibility of co-registered ultrasound and acoustic-resolution photoacoustic imaging of human colorectal cancer [PDF]
, 2018 Chapman, William +10 more
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Annual Review of Medicine, 1985
Carcinoma of the large bowel arises almost exclusively in neoplastic polyps, which are present in 5-10% of the population over age 40. These polyps may be of three histologic types: (a) tubular adenoma (adenomatous polyp), (b) tubulovillous adenoma (villoglandular polyp), and (c) villous adenoma.
F W, Ackroyd, S E, Hedberg
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Carcinoma of the large bowel arises almost exclusively in neoplastic polyps, which are present in 5-10% of the population over age 40. These polyps may be of three histologic types: (a) tubular adenoma (adenomatous polyp), (b) tubulovillous adenoma (villoglandular polyp), and (c) villous adenoma.
F W, Ackroyd, S E, Hedberg
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Gut, 2020
A 56-year-old man presented with a change in bowel habit to seven loose non-bloody stools a day. He had previously had a sigmoid resection for an endoscopic diagnosis of colonic malignancy in 2015. Histology of the resection specimen, however, had only shown inflammatory polyps, attributed to the accompanying diverticular disease.
Joseph Aslan +6 more
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A 56-year-old man presented with a change in bowel habit to seven loose non-bloody stools a day. He had previously had a sigmoid resection for an endoscopic diagnosis of colonic malignancy in 2015. Histology of the resection specimen, however, had only shown inflammatory polyps, attributed to the accompanying diverticular disease.
Joseph Aslan +6 more
openaire +2 more sources
Digestive Diseases and Sciences, 1993
Leiomyomatous colonic polyps are rare. We report a patient with an asymptomatic 15-mm submucosal polyp in the sigmoid colon. The tumor was successfully removed by endoscopy. Histopathological examination revealed a leiomyoma originating in the muscularis mucosa.
H, Björnsdóttir +2 more
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Leiomyomatous colonic polyps are rare. We report a patient with an asymptomatic 15-mm submucosal polyp in the sigmoid colon. The tumor was successfully removed by endoscopy. Histopathological examination revealed a leiomyoma originating in the muscularis mucosa.
H, Björnsdóttir +2 more
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Journal of Surgical Oncology, 1997
Colon polyps may be single or multiple, noninherited or inherited, histologically may vary from inflammatory, hamartomatous, neurogenic, or adenomatous, and may be benign or malignant. The various recognized syndromes are discussed including their clinical presentation, malignant potential, and associated tumors. Recognition of these clinical syndromes
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Colon polyps may be single or multiple, noninherited or inherited, histologically may vary from inflammatory, hamartomatous, neurogenic, or adenomatous, and may be benign or malignant. The various recognized syndromes are discussed including their clinical presentation, malignant potential, and associated tumors. Recognition of these clinical syndromes
openaire +2 more sources
Endoscopy, 2000
The superiority of colonoscopy to double-contrast barium enema in detecting neoplasia was finally demonstrated in 2000, but colonoscopic surveillance programs are still based on short-term observations and are mostly inadequate, despite the prospective design of the trials. The evaluation of the diagnostic accuracy of virtual colonoscopy is in progress,
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The superiority of colonoscopy to double-contrast barium enema in detecting neoplasia was finally demonstrated in 2000, but colonoscopic surveillance programs are still based on short-term observations and are mostly inadequate, despite the prospective design of the trials. The evaluation of the diagnostic accuracy of virtual colonoscopy is in progress,
openaire +6 more sources
Best Practice & Research Clinical Gastroenterology, 2002
Colorectal cancer (CRC) is one of the best studied cancers. It is easily accessible and develops slowly over several years from premalignant lesions (adenomatous polyps) to invasive cancers. The key molecular events in this sequence have been characterized.
Karsten, Schulmann +2 more
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Colorectal cancer (CRC) is one of the best studied cancers. It is easily accessible and develops slowly over several years from premalignant lesions (adenomatous polyps) to invasive cancers. The key molecular events in this sequence have been characterized.
Karsten, Schulmann +2 more
openaire +2 more sources