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Carcinoid tumor

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https://www.readbyqxmd.com/read/29045292/ovarian-metastases-of-breast-cancers-with-signet-ring-cells-a-report-of-17-cases-including-14-krukenberg-tumors
#1
Jennifer A Bennett, Robert H Young, Ai-Ying Chuang, Melinda F Lerwill
Krukenberg tumor, defined as metastatic adenocarcinoma to the ovary containing at least 10% signet ring cells, usually arises from the stomach but can also originate from other sites. We reviewed 17 metastatic breast carcinomas to the ovary with signet ring cells to potentially identify features indicative of mammary origin as opposed to other possible primary sites. The patients ranged from 41 to 76 (mean, 53.6) yr. Fourteen had a prior history of invasive breast carcinoma (invasive ductal carcinoma, 4; invasive lobular carcinoma, 3; adenocarcinoma not otherwise specified, 3; carcinoma with ductal and lobular features, 2; and unspecified carcinoma, 2) and metastases were identified 2 to 284 (mean, 79) mo after the original diagnosis...
October 17, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29040196/carcinoid-syndrome-complicating-a-pancreatic-neuroendocrine-tumor-a-case-report
#2
James N Gerson, Ronald M Witteles, Daniel T Chang, Ramin E Beygui, Andrei H Iagaru, Pamela L Kunz
Neuroendocrine tumors (NETs) comprise a heterogeneous group of neoplasms. These tumors can produce a wide variety of hormones that can lead to syndromes of hormone excess, such as carcinoid syndrome. We present the case of a 47-year-old man who presented with right upper quadrant abdominal pain and emesis. He was found to have metastatic pancreatic NET and was treated with systemic chemotherapy. He subsequently developed dyspnea on exertion and was found to have severe right-sided heart disease secondary to elevated levels of serum serotonin...
November 2017: Pancreas
https://www.readbyqxmd.com/read/29038234/patient-reported-symptom-control-of-diarrhea-and-flushing-in-patients-with-neuroendocrine-tumors-treated-with-lanreotide-depot-autogel-results-from-a-randomized-placebo-controlled-double-blind-and-32-week-open-label-study
#3
George A Fisher, Edward M Wolin, Nilani Liyanage, Susan Pitman Lowenthal, Beloo Mirakhur, Rodney F Pommier, Montaser Shaheen, Aaron Vinik
BACKGROUND: In the double-blind (DB) ELECT study, lanreotide depot/autogel significantly reduced versus placebo the need for short-acting octreotide for symptomatic carcinoid syndrome (CS) control in neuroendocrine tumor (NET) patients. Here we present patient-reported symptom data during DB and initial open-label (IOL) treatment. MATERIALS AND METHODS: Adults with NETs and CS history, with/without prior somatostatin analog use, were randomized to 16 weeks' DB lanreotide 120 mg subcutaneous or placebo every 4 weeks, followed by 32 weeks' IOL lanreotide...
October 16, 2017: Oncologist
https://www.readbyqxmd.com/read/29032398/analysis-of-mir-96-and-mir-133a-expression-in-gastrointestinal-neuroendocrine-neoplasms
#4
Rakesh Mandal, Heather Hardin, Rebecca Baus, William Rehrauer, Ricardo V Lloyd
Grading of gastrointestinal neuroendocrine neoplasms (GI-NENs) relies mainly on mitotic activity and Ki-67 proliferation index. It is often difficult to predict metastatic potential of these neoplasms. Recent studies have shown that GI-NENs express a wide spectrum of microRNAs. We examined two microRNAs (miR-96 and miR-133a) that were recently identified in GI-NENs to determine if they could assist in evaluating the biological behavior of these neoplasms. A tissue microarray (TMA) was constructed with 51 primary GI-NENs, mainly from the small intestine and metastatic tumors from the same cases, including liver metastases (N = 20) and lymph node metastases (N = 33)...
October 14, 2017: Endocrine Pathology
https://www.readbyqxmd.com/read/29031965/-bronchial-carcinoid-tumor-and-recurrent-pneumothoraxes
#5
R Ouede, H Masmoudi, H Etienne, J Assouad
Pneumothorax is a rare clinical manifestation of lung cancer. It can exceptionally reveal a bronchial carcinoid tumor. We present the case of a 27-year-old woman in whom recurrent pneumothoraxes were the clinical manifestation of a bronchial carcinoid tumor. The interest for chest computed tomography and bronchoscopy to identify etiology of secondary pneumothoraxes will be discussed.
October 12, 2017: Revue de Pneumologie Clinique
https://www.readbyqxmd.com/read/29026467/chromogranin-a-as-a-biochemical-marker-for-neuroendocrine-tumors-a-single-center-experience-at-royal-hospital-oman
#6
Elham S Al-Risi, Fatma S Al-Essry, Waad-Allah S Mula-Abed
OBJECTIVES: To evaluate the significance of serum chromogranin A (CgA) status in patients with and without different neuroendocrine tumors (NETs) by conducting a retrospective assessment of the diagnostic utility and limitations of CgA as a biomarker for NETs in a tertiary care hospital in Oman. METHODS: We conducted a retrospective analysis of CgA requests referred to the Clinical Biochemistry Laboratory, Royal Hospital, Oman over a 24-month period (April 2012 to March 2014)...
September 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/29019870/neuroendocrine-tumors-of-the-fallopian-tube-report-of-a-case-series-and-review-of-the-literature
#7
Katherine Grondin, Marianne Lidang, Marie Boenelycke, Isabel Alvarado-Cabrero, C Simon Herrington, W Glenn McCluggage
Primary neuroendocrine tumors of the fallopian tube are extremely rare with a few reported cases of high-grade neuroendocrine carcinoma and a single report of a carcinoid tumor arising in a teratoma. We report 4 cases of probable primary neuroendocrine tumors of the fallopian tube (2 carcinoid tumors/low-grade neuroendocrine tumors and 2 high-grade neuroendocrine carcinomas) in patients aged 49 to 71. These represent the first reported cases of primary tubal carcinoid tumor unassociated with a teratoma. We review the published literature regarding primary neuroendocrine tumors of the fallopian tube and speculate on the possible histogenesis of these neoplasms...
October 10, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29017393/expression-of-hsa-let-7b-5p-hsa-let-7f-5p-and-hsa-mir-222-3p-and-their-putative-targets-hmga2-and-cdkn1b-in-typical-and-atypical-carcinoid-tumors-of-the-lung
#8
Pietro Di Fazio, Moritz Maass, Silvia Roth, Christian Meyer, Joana Grups, Peter Rexin, Detlef K Bartsch, Andreas Kirschbaum
Typical and atypical carcinoid tumors belong to the neuroendocrine lung tumors. They have low recurrence and proliferation rate, lymph node, and distant metastases. Nevertheless, these tumors have shown a more aggressive behavior. In the last years, microRNAs were screened as new tumor markers for their potential diagnostic and therapeutic relevance. The expression of hsa-let-7b-5p, hsa-let-7f-5p, hsa-miR-222-3p, and their targets HMGA2 (high-mobility group A2) and CDKN1B (cyclin-dependent kynase inhibitor 1B, p27(kip1)) was evaluated in this rare small group of patients...
October 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28993602/triple-phase-helical-computed-tomography-of-an-arterio-hepatic-venous-shunt-in-a-hepatic-tumor-in-a-dog
#9
Kenji Kutara, Toshiaki Konno, Hirotaka Kondo, Hinako Yamazoe, Satoru Matsunaga
A 10-year-old French bulldog presented with an abdominal tumor. Triple-phase helical computed tomography was performed, revealing a hepatic tumor, an enlarged hepatic lymph node, and no masses in other organs. The hepatic tumor demonstrated marked enhancement, similar to that of the aorta in the arterial phase. The tumor had rich vascularization and a hepatic arterio-venous shunt formed between the hepatic artery and middle hepatic vein. The hepatic tumor was surgically removed and histological diagnosis revealed a hepatic carcinoid tumor...
October 7, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28992887/risk-factors-and-managements-of-hemorrhage-associated-with-pancreatic-fistula-after-pancreaticoduodenectomy
#10
Xing Liang, Li-Gang Shi, Jun Hao, An-An Liu, Dan-Lei Chen, Xian-Gui Hu, Cheng-Hao Shao
BACKGROUND: Post-pancreaticoduodenectomy pancreatic fistula associated hemorrhage (PPFH) is one of the leading lethal complications. Our study was to analyze the risk factors and managements of hemorrhage associated with pancreatic fistula after pancreaticoduodenectomy, and to evaluate treatment options. METHOD: We analyzed 445 patients who underwent pancreaticoduodenectomy or pylorus-preserving pancreaticoduodenectomy and evaluated the relevance between clinical data and PPFH...
October 15, 2017: Hepatobiliary & Pancreatic Diseases International: HBPD INT
https://www.readbyqxmd.com/read/28988021/two-concurrent-appendiceal-neoplasms-in-an-elderly-patient-a-case-report
#11
Riva Das, Joshua P Cantor, Thai Q Vu
INTRODUCTION: Acute appendicitis, one of the commonest surgical diagnoses, is rare and more complex presentation in the elderly. Physicians must consider atypical causes appendicitis in this population, which could affect the management of the patient. PRESENTATION OF CASE: An elderly female presented with a two-day history of lower abdominal pain, associated with low-grade fevers and chills. Studies showed leukocytosis and computed tomography (CT) findings consistent with appendicitis...
September 28, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28986041/improvement-in-tnm-staging-of-pulmonary-neuroendocrine-tumors-requires-histology-and-regrouping-of-tumor-size
#12
Maria Cattoni, Eric Vallières, Lisa M Brown, Amir A Sarkeshik, Stefano Margaritora, Alessandra Siciliani, Pier Luigi Filosso, Francesco Guerrera, Andrea Imperatori, Nicola Rotolo, Farhood Farjah, Grace Wandell, Kimberly Costas, Catherine Mann, Michal Hubka, Stephen Kaplan, Alexander S Farivar, Ralph W Aye, Brian E Louie
OBJECTIVE: Neuroendocrine tumors of the lung are currently staged with the 7th edition TNM non-small cell lung cancer staging system. This decision, based on data analysis without data on histology or disease-specific survival, makes its applicability limited. This study proposes a specific staging system for these tumors. METHODS: We retrospectively analyzed 510 consecutive patients (female/male, 313/197; median age, 61 years; interquartile range, 51-70) undergoing lung resection for a primary neuroendocrine tumor between 2000 and 2015 in 8 centers...
September 9, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28980178/a-typical-carcinoid-tumor-of-the-lung-presenting-with-pure-persistent-ground-glass-opacity-on-high-resolution-computed-tomography-a-case-report
#13
Masafumi Yamaguchi, Fumihiko Hirai, Kenichi Taguchi, Ryo Toyozawa, Makoto Edagawa, Shinichiro Shimamatsu, Kaname Nosaki, Takashi Seto, Mitsuhiro Takenoyama, Yukito Ichinose
Pure ground-glass opacity nodules (p-GGN) on high-resolution computed tomography (HRCT) generally have been considering typically associated with adenocarcinoma with less invasive nature. We herein reported a patient presenting focal p-GGN on middle lobe of the right lung who underwent surgical resection with its pathological diagnosis turned out to be typical carcinoid tumor.
October 4, 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28971023/metastatic-primary-testicular-carcinoid-tumor-managed-with-radical-orchiectomy-retroperitoneal-lymph-node-dissection-and-inferior-vena-cava-excision-case-report
#14
H K Bangash, D Hayne, I A Thyer
Metastatic primary testicular carcinoid tumor remains a very rare condition. We report the first case of metastatic primary testicular carcinoid tumor where along retroperitoneal lymph node dissection excision of the Inferior Vena Cava was also performed. The rarity is further emphasised by the presence of a contralateral testicular dermoid cyst. Given the features of the tumor were not in keeping with the traditional predictors of metastases (primary tumor >7.3 cm, poor differentiation and the presence of carcinoid syndrome) this case adds valuable addition to the relatively limited literature available on this rare condition...
November 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28944148/metastatic-neuroendocrine-tumor-of-the-esophagus-with-features-of-medullary-thyroid-carcinoma
#15
Raymond M Fertig, Adam Alperstein, Carlos Diaz, Kyle D Klingbeil, Sameera S Vangara, Ryosuke Misawa, Jennifer Reed, Sudeep Gaudi
A 41-year-old female presented with a pedunculated mass in the upper esophagus and bilateral lymphadenopathy. Biopsies suggested a neuroendocrine tumor, possibly carcinoid, and ensuing imaging revealed cervical lymph node metastases. The esophageal mass was removed endoscopically and discovered by pathologists to closely resemble medullary thyroid carcinoma (MTC) on immunohistochemistry staining. Following surgery, further work up demonstrated very high serum calcitonin levels, suggestive of medullary thyroid carcinoma, however the thyroid gland was normal on ultrasound...
August 2017: Intractable & Rare Diseases Research
https://www.readbyqxmd.com/read/28943569/intrahepatic-cholangiolocellular-and-cholangiocellular-carcinoma-differences-in-the-18f-fdg-pet-ct-findings
#16
Yoshiko Takahashi, Shuichi Sato, Hitomi Ishitobi, Makoto Nagaoka, Yoshiya Kobayashi, Hiroyuki Fukuhara, Mika Yuki, Yoshinori Komazawa, Hiroyuki Kuroda, Toshihiro Shizuku
Cholangiolocellular carcinoma is a minor primary cancerous tumor of the liver and its coexistence with intrahepatic cholangiocarcinoma in the liver is rare. We herein report a case of concurrent cholangiolocellular carcinoma and intrahepatic cholangiocarcinoma in the liver, in addition to a rectal G1 neuroendocrine tumor, a so-called carcinoid. The intrahepatic tumors showed a different uptake in the 18-fluoro-2-deoxyglucose (FDG) positron-emission tomography (PET)/computed tomography (CT) findings. In addition to conventional dynamic contrast-enhanced CT, we concluded that FDG PET/CT could therefore be a helpful modality to identify the properties of both cholangiolocellular carcinoma and intrahepatic cholangiocarcinoma...
September 25, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28937380/bilateral-ovarian-metastases-as-the-presenting-manifestation-of-lung-carcinoid-in-a-50-year-old-woman-case-study-and-review-of-literature
#17
Subhashis Mitra, Amiya Jhunjhunwala, Hema Chakraborty
Neuroendocrine tumors (NETs) are neoplasms arising from dispersed neuroendocrine cells, localized to the gastrointestinal tract (GIT), lungs, adrenal medulla, and other sites. The term "carcinoid tumor" is usually limited to NETs of the lung and GIT. Ovarian carcinoids are uncommon, accounting for 0.1% of ovarian malignancies and 5% of all NETs. Primary ovarian tumors arise in pure form or as a component of teratomas, while ovarian NET metastases are predominantly from gastrointestinal primaries. To the best of our knowledge, there are only two previous reports of bronchopulmonary carcinoids (PCs) metastasizing to the ovaries...
July 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28936630/the-clinical-outcomes-and-risk-factors-associated-with-incomplete-endoscopic-resection-of-rectal-carcinoid-tumor
#18
Cheol Woong Choi, Su Bum Park, Dae Hwan Kang, Hyung Wook Kim, Su Jin Kim, Hyeong Seok Nam, Dae Gon Ryu
BACKGROUND AND AIM: The risk of lymph node metastasis of a small rectal carcinoid tumor (<10 mm) is known to be lower than that of tumors at other gastrointestinal sites. Although rectal carcinoid tumors can be treated by endoscopic resection, the resected specimen may be incomplete. The consequences of an incomplete resection are not well known. METHOD: From December 2008 to November 2015, cases of rectal carcinoid tumors resected by endoscopic resection techniques such as endoscopic submucosal dissection (ESD), or endoscopic mucosal resection using band ligation device (EMR-L), or cap aspiration (EMR-C) were enrolled...
September 21, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28935346/resection-of-the-tracheobronchial-bifurcation-with-complete-preservation-of-lung-parenchyma
#19
Georgios Stamatis, Sylvia Fechner, Miguel Rocha, Gerhard Weinreich
BACKGROUND: The resection of the tracheobronchial bifurcation with complete preservation of lung parenchyma remains a challenge owing to the limited indications for surgery, anesthesiologic management, operative technique, and postoperative course. The aim of this retrospective study was to evaluate factors influencing the perioperative course and long-term survival. METHODS: Between 1989 and 2014, 19 patients underwent a resection of the distal trachea and carina with complete preservation of lung tissue, 16 for malignant tumors (7 adenoid cystic carcinomas, 3 carcinoid tumors, 3 mucoepidermoid tumors, 2 squamous cell carcinomas, and 1 small cell carcinomas), 2 for inflammatory stenosis, and 1 after a complex traumatic rupture...
September 18, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28932582/two-cases-of-the-bronchial-carcinoid-tumors-successfully-treated-with-the-parenchymal-sparing-bronchoplastic-resections
#20
Katarzyna Drożdż, Mariusz Chabowski, Angelika Chachaj, Paweł Gać, Małgorzata Szołkowska, Dariusz Janczak, Andrzej Szuba
Carcinoid tumors account for 2% of primary lung tumors. We report two cases of the relatively young patients with typical and atypical carcinoid (AC) tumors that were managed successfully with a parenchymal-sparing bronchoplastic procedure.
August 2017: Journal of Thoracic Disease
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