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RISS 인기검색어
- 검색키워드
- 저자 : Philip Q Xiao (검색결과 3 건)
- 무료
- 기관 내 무료
- 유료
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A Rare Presentation of Metastasis of Prostate Adenocarcinoma to the Stomach and Rectum
Soe, Aye Min,Bordia, Sonal,Xiao, Philip Q.,Lopez-Morra, Hernan,Tejada, Juan,Atluri, Sreedevi,Krishnaiah, Mahesh The Korean Gastric Cancer Association 2014 Journal of gastric cancer Vol.14 No.4
Prostate cancer is the second most common cause of cancer death in men in the United States. The most common sites of metastasis include the bone, lymph nodes, lung, liver, pleura, and adrenal glands, whereas metastatic prostate cancer involving the gastrointestinal tract has been rarely reported. A 64-year-old African-American man with a history of prostate cancer presented with anemia. He reported the passing of dark colored stools but denied hematemesis or hematochezia. Colonoscopy revealed circumferential nodularity, and histology demonstrated metastatic carcinoma of the prostate. Esophagogastroduodenoscopy showed hypertrophic folds in the gastric fundus, and microscopic examination revealed tumor cells positive for prostate-specific antigen. Bone scanning and computed tomography of the abdomen and pelvis did not show metastasis. It is crucial to distinguish primary gastrointestinal cancer from metastatic lesions, especially in patients with a history of cancer at another site, for appropriate management.
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A Rare Presentation of Metastasis of Prostate Adenocarcinoma to the Stomach and Rectum
Aye Min Soe,Sonal Bordia,Philip Q Xiao,Hernan Lopez-Morra,Juan Tejada,Sreedevi Atluri,Mahesh Krishnaiah 대한위암학회 2014 Journal of gastric cancer Vol.14 No.4
Prostate cancer is the second most common cause of cancer death in men in the United States. The most common sites of metastasis include the bone, lymph nodes, lung, liver, pleura, and adrenal glands, whereas metastatic prostate cancer involving the gastrointestinal tract has been rarely reported. A 64-year-old African-American man with a history of prostate cancer presented with anemia. He reported the passing of dark colored stools but denied hematemesis or hematochezia. Colonoscopy revealed circumferential nodularity, and histology demonstrated metastatic carcinoma of the prostate. Esophagogastroduodenoscopy showed hypertrophic folds in the gastric fundus, and microscopic examination revealed tumor cells positive for prostate-specific antigen. Bone scanning and computed tomography of the abdomen and pelvis did not show metastasis. It is crucial to distinguish primary gastrointestinal cancer from metastatic lesions, especially in patients with a history of cancer at another site, for appropriate management.
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Validation of a Blood Biomarker for Identification of Individuals at High Risk for Gastric Cancer
Epplein, Meira,Butt, Julia,Zhang, Yang,Hendrix, Laura H.,Abnet, Christian C.,Murphy, Gwen,Zheng, Wei,Shu, Xiao-Ou,Tsugane, Shoichiro,Qiao, You-lin,Taylor, Philip R.,Shimazu, Taichi,Yoo, Keun-Young,Par American Association for Cancer Research 2018 Cancer Epidemiology, Biomarkers & Prevention Vol.27 No.12
<P><B>Background:</B></P><P><I>Helicobacter pylori</I> is the leading cause of gastric cancer, yet the majority of infected individuals will not develop neoplasia. Previously, we developed and replicated serologic <I>H. pylori</I> biomarkers for gastric cancer risk among prospective cohorts in East Asia and now seek to validate the performance of these biomarkers in identifying individuals with premalignant lesions.</P><P><B>Methods:</B></P><P>This cross-sectional study included 1,402 individuals from Linqu County screened by upper endoscopy. <I>H. pylori</I> protein-specific antibody levels were assessed using multiplex serology. Multivariable-adjusted logistic regression models were used to calculate odds ratios (ORs) and 95% confidence intervals (CIs) for prevalent intestinal metaplasia, indefinite dysplasia, or dysplasia, compared with superficial or mild atrophic gastritis.</P><P><B>Results:</B></P><P>Compared with individuals seronegative to Omp and HP0305, individuals seropositive to both were seven times more likely to have precancerous lesions (OR, 7.43; 95% CI, 5.59–9.88). A classification model for precancerous lesions that includes age, smoking, and seropositivity to <I>H. pylori</I>, Omp, and HP0305 resulted in an area under the curve (AUC) of 0.751 (95% CI, 0.725–0.777), which is significantly better than the same model, including the established gastric cancer risk factor CagA (AUC, 0.718; 95% CI, 0.691–0.746, <I>P</I><SUB>difference</SUB> = 0.0002).</P><P><B>Conclusions:</B></P><P>The present study of prevalent precancerous gastric lesions provides support for two new serum biomarkers of gastric cancer risk, Omp and HP 0305.</P><P><B>Impact:</B></P><P>Our results support further research into the serological biomarkers Omp and HP0305 as possible improvements over the established virulence marker CagA for identifying individuals with precancerous lesions in East Asia.</P>
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