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Small bowel tumors

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https://www.readbyqxmd.com/read/28906349/intestinal-obstruction-due-to-kaposiform-hemangioendothelioma-in-a-1-month-old-infant-a-case-report
#1
Joong Kee Youn, Shin-Hoo Park, Ji-Won Han, Chaeyoun Oh, Hyun-Young Kim, Sung-Eun Jung
RATIONALE: Kaposiform hemangioendothelioma (KHE) is an aggressive vascular tumor, mainly occurring in infants and young children and previously reported cases were mainly cutaneous or visceral form. Intestinal kaposiform hemangioma was first reported in 2012. Intestinal type KHE showed better prognosis if the lesion was limited in the gastrointestinal tract and coagulopathy was not accompanied. Since the number of reported cases is small, further study for treatment options and prognosis need to be done...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28904734/a-17-year-old-male-with-a-small-bowel-neuroendocrine-tumor-flushing-differential-diagnosis
#2
Maria Alejandra Forero Molina, Elizabeth Garcia, Deyanira Gonzalez-Devia, Rafael García-Duperly, Alonso Vera
BACKGROUND: Neuroendocrine tumors (NETs) are heterogeneous neoplasms that originate from cells with a secretory function. Small bowel NETs (SB-NETs) are related to serotonin hypersecretion which causes: flushing, diarrhea, abdominal pain, bronchoconstriction and heart involvement, also known as carcinoid syndrome (CS). CS can be confused with an allergic reaction and thus should be considered as a differential diagnosis in the allergy consult. We present the case of a pediatric patient initially referred under the suspicion of food allergies...
2017: World Allergy Organization Journal
https://www.readbyqxmd.com/read/28902780/is-multifocality-an-indicator-of-aggressive-behavior-in-small-bowel-neuroendocrine-tumors
#3
Allen B Choi, Jessica E Maxwell, Kendall J Keck, Andrew J Bellizzi, Joseph S Dillon, Thomas M OʼDorisio, James R Howe
OBJECTIVES: Many patients with small bowel neuroendocrine tumors (SBNETs) have multifocal tumors (MFTs), but the frequency of MFTs has varied widely across SBNET studies. It is also unclear whether patients with MFTs have more advanced disease or worse clinical course than do those with unifocal SBNETs. We set out to determine the frequency of multifocal and unifocal SBNETs and compare clinicopathologic factors, somatostatin receptor 2 expression, and survival. METHODS: Clinicopathologic variables from 179 patients with surgically managed SBNETs were collected...
October 2017: Pancreas
https://www.readbyqxmd.com/read/28900071/a-case-of-non-islet-cell-tumor-hypoglycemia-nicth-associated-with-gastrointestinal-stromal-tumor-gist
#4
John M Wilson, Jessica Ginsberg, Karen Cutts, Steve Urban
BACKGROUND Non-islet cell tumor hypoglycemia (NICTH) is a newly recognized, but uncommon, paraneoplastic syndrome that is associated with tumors of mesenchymal origin. We report a case of NICTH associated with a gastrointestinal stromal tumor (GIST). CASE REPORT A 60-year-old man presented to the emergency department of our hospital after being found unconscious in his home. His serum blood glucose on hospital admission was 40 mg/dL. He reported a three-month history of diffuse abdominal pain, fatigue, and blurred vision...
September 13, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28878613/mixed-adenocarcinoma-and-squamous-cell-carcinoma-of-duodenum-a-case-report-and-review-of-the-literature
#5
Muhammad Bader Hammami, Anuj Chhaparia, Jinhua Piao, Yihua Zhou, Christine Hachem, Jinping Lai
Despite being the largest part of the human gastrointestinal (GI) tract, the small intestine accounts for only 1-1.4% of all GI malignancies. Adenocarcinoma is the most common primary small bowel malignancy, with the most common site being the duodenum. On the other hand, squamous cell carcinoma (SCC) of the duodenum is extremely uncommon. We report the first case of mixed adenocarcinoma and SCC occurring in the third part of duodenum (D3). Our patient, a 64-year-old female with history of GERD, hypertension, and IDDM presented with 4 weeks of nausea, vomiting, and abdominal pain...
May 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/28877044/novel-insights-into-microbiome-in-colitis-and-colorectal-cancer
#6
Ye Yang, Christian Jobin
PURPOSE OF REVIEW: Microbiota is a major player in the pathogenesis of inflammatory bowel diseases (IBD) and colorectal cancer (CRC). Here, we summarize the key advances achieved in the past 18 months (ending June 2017) toward a better understanding of the role of microbiota in colitis and CRC development. RECENT FINDINGS: Accumulating evidence shows the essential role of intestinal barrier function (e.g. mucus, IgA, LCN2, LYPD8) in protecting against bacteria-induced inflammation and tumor development...
September 5, 2017: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/28876117/-duodenal-leiomyoma-a-rare-case-report
#7
Konrad Wroński, Janusz Kaczor, Zbigniew Masłowski
Neoplasms of the small bowel are rare and comprise only 1-5% of all gastrointestinal neoplasms. The most frequent malignant tumors located in the small bowel are adenocarcinomas, lymphomas and neuroendocrine tumors. Rarely observed are gastrointestinal stromal tumors (GIST), leiomyosarcomas and leiomyomas. Leiomyomas are most frequently seen in the jejunum followed by the ileum and lastly the duodenum. In most cases, a definite diagnosis of these tumors is not possible prior to surgical treatment. The treatment of choice for these tumors is surgery...
September 2017: Magyar Sebészet
https://www.readbyqxmd.com/read/28872570/when-fever-leukocytosis-and-right-lower-quadrant-pain-is-not-appendicitis
#8
Jeanette Kurbedin, Lawrence Haines, Marla C Levine, Eitan Dickman
Mesenteric cystic lymphangioma (MCL) is an uncommon, benign, slow-growing abdominal tumor that is derived from the lymphatic vessels (World J Gastroenterol. 2012;18:6328-6332, Radiographics. 1994;14:729-737). It is most often diagnosed in the head and neck of affected children. Rarely, a lymphangioma can develop within the small bowel (Pan Afr Med J. 2012;12:7). The clinical presentation of patients with an abdominal MCL can range from asymptomatic to acute abdominal pain (J Korean Surg Soc. 2012;83:102-106)...
September 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28871595/role-of-immune-microenvironment-in-gastrointestinal-stromal-tumors
#9
Andrew M Blakely, Andres Matoso, Pallavi A Patil, Ross Taliano, Jason T Machan, Thomas J Miner, Kara A Lombardo, Murray B Resnick, Li-Juan Wang
INTRODUCTION: The immune microenvironment is a prognostic factor for various malignancies. The significance of key players of this immune microenvironment including tumor-infiltrating lymphocytes and expression of programmed death-ligand 1 (PD-L1), indoleamine-2,3-dioxygenase (IDO), and tryptophanyl-tRNA synthetase (WARS) in gastrointestinal stromal tumors (GISTs) is largely unknown. METHODS: Tissue microarrays were constructed from pathology files, 1996-2016. Immunohistochemistry for PD-L1, IDO, WARS was correlated with tumor size, mitoses, and outcomes...
September 4, 2017: Histopathology
https://www.readbyqxmd.com/read/28868182/assessment-of-serum-angiogenic-factors-as-a-diagnostic-aid-for-small-bowel-angiodysplasia-in-patients-with-obscure-gastrointestinal-bleeding-and-anaemia
#10
Grainne Holleran, Mary Hussey, Sinead Smith, Deirdre McNamara
AIM: To assess the use of serum levels of angiopoietin-1 (Ang1), Ang2 and tumor necrosis factor-α (TNFα) as predictive factors for small bowel angiodysplasia (SBA). METHODS: Serum samples were collected from patients undergoing capsule endoscopy for any cause of obscure gastrointestinal bleeding (OGIB) or anaemia. Based on small bowel findings patients were divided into 3 groups: (1) SBA; (2) other bleeding causes; and (3) normal, according to diagnosis. Using ELISA technique we measured serum levels of Ang1, Ang2 and TNFα and compared mean and median levels between the groups based on small bowel diagnosis...
August 15, 2017: World Journal of Gastrointestinal Pathophysiology
https://www.readbyqxmd.com/read/28859045/mesenteric-primitive-myxoid-mesenchymal-tumor-in-a-7-month-old-boy
#11
Daniella Chacon, Catalina Correa, Juan P Luengas
Mesenteric tumors are rare, especially in the pediatric population. We present a case of a 7-month-old boy with an incidental abdominal mass identified as a Primitive Myxoid Mesenchymal Tumor of Infancy derived from the small bowel mesentery. This neoplasm is part of a spectrum of myofibroblastic lesions, with distinct clinical, morphologic, IHQ reactivity, and an aggressive clinical course. There is a paucity of evidence for the management of these tumors, and surgical resection remains the mainstay of treatment...
August 30, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28842049/management-of-small-bowel-polyps-a-literature-review
#12
REVIEW
Rabia A de Latour, Saikiran M Kilaru, Seth A Gross
Despite the small bowel comprising 90% of the mucosal surface area of the gastrointestinal tract, it is a rare site for neoplasia and only accounts for a little over 3% of the tumors that arise in the digestive tract. Benign small bowel lesions include lipomas, lymphangiomas, leiomyomas, neurofibromas, nodular lymphoid hyperplasia and adenomas, many of which are precursors to malignant lesions. Several polyposis syndromes are associated with small bowel polyps as well, including familial adenomatous polyposis syndrome, lynch syndrome, Peutz-Jeghers syndrome, Cowden syndrome and juvenile polyposis syndrome...
August 2017: Best Practice & Research. Clinical Gastroenterology
https://www.readbyqxmd.com/read/28837524/the-association-between-drug-levels-and-endoscopic-recurrence-in-postoperative-patients-with-crohn-s-disease-treated-with-tumor-necrosis-factor-inhibitors
#13
Shmuel Fay, Bella Ungar, Stephane Paul, Asaf Levartovsky, Miri Yavzori, Ella Fudim, Orit Picard, Rami Eliakim, Shomron Ben-Horin, Xavier Roblin, Uri Kopylov
BACKGROUND: Endoscopic recurrence is associated with a risk of clinical recurrence in patients with Crohn's disease after ileocecal or small bowel resection. Drug levels and presence of antidrug antibodies are associated with important clinical and endoscopic outcomes in patients with Crohn's disease treated with tumor necrosis factor inhibitors, such association was not evaluated for endoscopic postsurgical recurrence. METHODS: Consecutive patients with Crohn's disease treated with anti-tumor necrosis factors after surgery were identified in the databases of the participating centers...
August 22, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28836250/-clinical-efficacy-of-superior-mesenteric-artery-oriented-laparoscopic-complete-mesocolic-excision-in-the-treatment-of-right-colonic-cancer
#14
Yong Wang, Dongsheng Zhang, Yifei Feng, Zan Fu, Ziwei Xu, Yueming Sun
OBJECTIVE: To investigate the clinical efficacy of superior mesenteric artery (SMA)-oriented laparoscopic complete mesocolic excision (CME) with a medial-to-lateral approach in the treatment of right colonic cancer. METHODS: A total of 166 patients with right colonic cancer who were admitted to The First Affiliated Hospital of Nanjing Medical University from January 2015 to December 2016 underwent SMA-oriented laparoscopic CME by the same surgical team. Clinical data of these patients were retrospectively analyzed...
August 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28834452/reminiscing-on-remnants-imaging-of-meckel-diverticulum-and-its-complications-in-adults
#15
Argha Chatterjee, Carla Harmath, Camila Lopes Vendrami, Nancy A Hammond, Pardeep Mittal, Riad Salem, Frank H Miller
OBJECTIVE: Meckel diverticulum may become symptomatic if it is complicated by hemorrhage, intestinal obstruction, diverticulitis, or tumor. Although classically described in children, it is often missed in adults because of lack of suspicion and difficulty in detection. The purpose of this article is to review the imaging findings and management of Meckel diverticulum and its complications. CONCLUSION: Although it is infrequently encountered incidentally, Meckel diverticulum should be considered especially when interpreting examinations for abdominal pain, small-bowel obstruction, and gastrointestinal bleeding...
August 23, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28833703/nsaids-increase-the-risk-of-mucosal-injuries-but-not-of-overt-small-bowel-bleeding
#16
EDITORIAL
Gian Eugenio Tontini, Helmut Neumann
Since 2001, small bowel capsule endoscopy (SBCE) has been widely implemented into clinical practice as a minimal-invasive diagnostic approach for diagnosing small bowel diseases. Currently, SBCE is moreover recognized as the first-line procedure for the diagnostic work-up of obscure gastrointestinal bleeding (OGIB) and for a variety of SB disorders including Crohn's disease, inherited polyposis syndromes, suspected small bowel tumors or refractory celiac disease [1,2]. In addition, capsule endoscopy is used to guide the decision whether device assisted enteroscopy (i...
August 20, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28826742/a-comprehensive-review-and-update-on-crohn-s-disease
#17
Mahesh Gajendran, Priyadarshini Loganathan, Anthony P Catinella, Jana G Hashash
The term inflammatory bowel disease (IBD) refers principally to two major categories of chronic relapsing inflammatory intestinal disorders: Crohn's disease (CD) and ulcerative colitis (UC). In the United States, it is currently estimated that about 1.5 million people suffer from IBD, causing considerable suffering, mortality and economic loss every year. Yet the cause of IBD is unknown, and until we understand more, prevention or cure will not be possible. There is a lot of variation in the incidence and prevalence of CD based on geographic region, environment, immigrant population, and ethnic groups...
August 18, 2017: Disease-a-month: DM
https://www.readbyqxmd.com/read/28826304/moderate-dose-escalation-with-volumetric-modulated-arc-therapy-improves-outcome-in-rectal-cancer
#18
Cedric Stuyck, Marilyn Wegge, Philippe Bulens, Ines Joye, Karin Haustermans
BACKGROUND: Locally advanced rectal cancer is frequently treated with a long course of preoperative chemoradiotherapy. We investigated the effect of moderate dose escalation with volumetric modulated arc therapy (VMAT) up to 50 Gy in 25 fractions compared to 3D conformal radiotherapy (3D-CRT) to 45 Gy in 25 fractions in rectal cancer patients. Dose-volume parameters, acute toxicity, and complete response rates were compared. MATERIAL AND METHODS: For both groups, 65 patients were selected from our database through availability...
August 22, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28825581/-gastrointestinal-stromal-tumor-and-renal-transplant
#19
Carina E Seculini Patiño, Aldo H Tabares, Maria V Laborie, Ana Diller
Gastrointestinal stromal tumor (GIST) accounts for nearly 1% of all gastrointestinal tumors. Its association with renal transplantation is not frequent. Approximately 95% of GIST show staining for CD177. DOG1 is a recently described monoclonal antibody that shows positivity even in the absence of CD177 staining. The diagnosis of GIST should be pursued because of the availability of very effective treatments with tyrosine-kinase inhibitors. Herein, we describe the case of a woman with renal transplant who presented a small bowel GIST and weak positivity for CD177, treated initially with surgery...
2017: Medicina
https://www.readbyqxmd.com/read/28819895/optimal-lymphadenectomy-in-small-bowel-neuroendocrine-tumors-analysis-of-the-ncdb
#20
Benjamin M Motz, Patrick D Lorimer, Danielle Boselli, Joshua S Hill, Jonathan C Salo
BACKGROUND: Current National Comprehensive Cancer Network guidelines for resectable small bowel neuroendocrine tumors (NETs) recommend regional lymphadenectomy. However, no consensus exists on the optimal nodal harvest. METHODS: The National Cancer Database was queried for patients with resectable small bowel NETs (1998-2013). Patients with metastatic disease and missing lymph node harvest data were excluded. We performed logistic regression of factors determining nodal positivity and multivariable survival analyses...
August 17, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
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