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https://www.readbyqxmd.com/read/29330194/telotristat-ethyl-in-carcinoid-syndrome-safety-and-efficacy-in-the-telecast-phase-3-trial
#1
Marianne E Pavel, David J Gross, Marta Benavent, Petros Perros, Raj Srirajaskanthan, Richard R P Warner, Matthew H Kulke, Lowell Anthony, Pamela Kunz, Dieter Hörsch, Martin O Weickert, Pablo Lapuerta, Wenjun Jiang, Kenneth Kassler-Taub, Suman Wason, Rosanna Fleming, Douglas Fleming, Rocio García-Carbonero
Telotristat ethyl, a tryptophan hydroxylase inhibitor, was efficacious and well tolerated in the Phase 3 TELESTAR study in patients with carcinoid syndrome (CS) experiencing ≥4 bowel movements per day (BMs/day) while on somatostatin analogs (SSAs). TELECAST, a Phase 3 companion study, assessed safety and efficacy of telotristat ethyl in patients with CS (diarrhea, flushing, abdominal pain, nausea, or elevated urinary 5-hydroxyindoleacetic acid [u5-HIAA]) with <4 BMs/day on SSAs (or ≥1 symptom or ≥4 BMs/day if not on SSAs) during a 12-week double-blind treatment period followed by a 36-week open-label extension (OLE)...
January 12, 2018: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29327707/appendiceal-goblet-cell-carcinoids-and-adenocarcinomas-ex-goblet-cell-carcinoid-are-genetically-distinct-from-primary-colorectal-type-adenocarcinoma-of-the-appendix
#2
Moritz Jesinghaus, Björn Konukiewitz, Sebastian Foersch, Albrecht Stenzinger, Katja Steiger, Alexander Muckenhuber, Claudia Groß, Martin Mollenhauer, Wilfried Roth, Sönke Detlefsen, Wilko Weichert, Günter Klöppel, Nicole Pfarr, Anna Melissa Schlitter
The appendix gives rise to goblet cell carcinoids, which represent special carcinomas with distinct biological and histological features. Their genetic background and molecular relationship to colorectal adenocarcinoma is largely unknown. We therefore performed a next-generation sequencing analysis of 25 appendiceal carcinomas including 11 goblet cell carcinoids, 7 adenocarcinomas ex-goblet cell carcinoid, and 7 primary colorectal-type adenocarcinomas, using a modified Colorectal Cancer specific Panel comprising 32 genes linked to colorectal and neuroendocrine tumorigenesis...
January 12, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29326364/inflammation-and-pd-l1-expression-in-pulmonary-neuroendocrine-tumors
#3
Atsuko Kasajima, Yuichi Ishikawa, Ayaka Iwata, Katja Steiger, Naomi Oka, Hirotaka Ishida, Akira Sakurada, Hiroyoshi Suzuki, Toru Kameya, Björn Konukiewitz, Gunter Kloppel, Yoshinori Okada, Hironobu Sasano, Wilko Weichert
In the light of novel cancer immune therapies, the status of antitumor inflammatory response and its regulation has gained much attention in patients with lung cancer. Ample datasets exist for non-small cell lung cancer, but those for pulmonary neuroendocrine tumors are scarce and controversial. Here, tumor-associated inflammation, CD8+ cell infiltration and PD-L1 status were evaluated in a cohort of 57 resected carcinoids and 185 resected neuroendocrine carcinomas of the lung (58 large cell carcinomas and 127 small cell carcinomas)...
January 11, 2018: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29325948/spinal-metastasis-resulting-from-atypical-thymic-carcinoid-a-case-report
#4
Xinjie Wu, Yingna Qi, Feng Yang, Mingsheng Tan, Jie Lin
BACKGROUND: Thymic carcinoid with spinal metastasis is an extremely rare entity. Clinically, the tumor presents either by its endocrine manifestations or by mechanical compression of surrounding structures. However, no previous studies reported a case with neck pain, and neurological deficit as initial presentation of an atypical thymic carcinoid. METHOD: A 56-year-old non-smoking man presented with 12-month history of intermittent neck pain and 1-month history of progressive numbness and weakness of the right upper limb...
January 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29319034/the-mimic-of-tracheal-carcinoid-in-elderly-female
#5
Parth Rali, Namrata Jasani, Hammad Arshad, Jianwu Xie, Marvin Balaan
We present a case of a glomus tumor of trachea in an elderly female who presented with a mass originating from the posterior trachea. She underwent rigid bronchoscopy with tumor debulking combined with laser therapy. Frozen section initially suggested carcinoid tumor but later turned out to be a glomus tumor. She improved with additional laser therapy. We present her clinical course and a literature review on glomus tumor.
January 2018: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/29317942/carcinoids-and-capsules-a-case-series-highlighting-the-utility-of-capsule-endoscopy-in-patients-with-small-bowel-carcinoids
#6
Michael G Noujaim, Jonathan Green, May Min, Christopher R Schlieve, Krunal Patel, Mitchell Cahan, David Cave
Background: Neuroendocine tumors (NETs) or carcinoids arise at many different sites of the gastrointestinal tract. The small intestine is the most common site for NETs. Diagnosing small bowel carcinoids remains challenging given their non-specific presentations and the overall low incidence of small bowel tumors. Video capsule endoscopy (VCE) has significanly improved our ability to detect small bowel malignancies. We explore the value of VCE in the initial workup and management of a series of small bowel carcinoid patients...
December 2017: Gastroenterology Research
https://www.readbyqxmd.com/read/29316326/orthopedia-homeobox-is-preferentially-expressed-in-typical-carcinoids-of-the-lung
#7
Krisztina Z Hanley, Zachary J Dureau, Cynthia Cohen, Dong M Shin, Taofeek K Owonikoko, Gabriel L Sica
BACKGROUND: Twenty-seven percent of neuroendocrine tumors (NETs) are associated with distant metastases, and in some patients, the primary site is unknown. Orthopedia homeobox protein (OTP) has been described as a useful marker for lung carcinoids (LCs) and for separating low-grade typical carcinoids (TCs) from intermediate-grade atypical carcinoids (ACs) in resection specimens. This study evaluated OTP, thyroid transcription factor 1 (TTF-1), and Ki-67 expression in fine-needle aspiration (FNA) samples of various NETs...
January 9, 2018: Cancer
https://www.readbyqxmd.com/read/29313083/-neuroendocrine-neoplasms-of-the-head-and-neck
#8
REVIEW
B Konukiewitz, A Agaimy, W Weichert, G Klöppel
Common to all neuroendocrine neoplasms (NENs), irrespective of their site of origin, is the expression of synaptophysin and chromogranin A. NENs of the head and neck region derive either from epithelial or neural/neuroectodermal tissues. The epithelial-type NENs express cytokeratins and include the well-differentiated typical and atypical carcinoids (also called low- and intermediate-grade neuroendocrine carcinomas by WHO), the poorly differentiated high-grade neuroendocrine carcinomas of small and large cell type and the mixed neuroendocrine-nonneuroendocrine neoplasms...
January 8, 2018: Der Pathologe
https://www.readbyqxmd.com/read/29310810/radiological-features-and-metastatic-patterns-of-thymic-neuroendocrine-tumours
#9
T Araki, L M Sholl, H Hatabu, M Nishino
AIM: To investigate the clinical and image features of thymic neuroendocrine tumours (NETs), and characterise the radiological patterns of recurrence and metastasis on serial imaging studies. MATERIALS AND METHODS: The study included 14 patients (11 males) with a histopathological diagnosis of thymic NETs (one typical carcinoid, eight atypical carcinoid, and five large cell neuroendocrine carcinoma). Preoperative images were assessed for features of primary tumours...
January 5, 2018: Clinical Radiology
https://www.readbyqxmd.com/read/29302947/fenfluramine-phentermine-is-associated-with-an-increase-in-cellular-proliferation-ex-vivo-and-in-vitro
#10
Nalini M Rajamannan
BACKGROUND: Fenfluraminephentermine (FenPhen) has been implicated in accelerated valvular heart disease, characterized by valvular regurgitation and thickening, and resembling the histopathologic lesions found in carcinoid. The study aim was to determine whether cellular proliferation is present in FenPhen-exposed valves, by utilizing an in-vitro model to test whether FenPhen has a direct mitogenic effect on cardiac valvular cells, as compared to serotonin. METHODS: Ex-vivo valves were tested for proliferation in surgically removed FenPhen-exposed valves (n = 10) and compared to proliferation levels in normal human cardiac valves removed at autopsy (n = 10)...
July 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29298798/phase-1-trial-of-m7824-msb0011359c-a-bifunctional-fusion-protein-targeting-pd-l1-and-tgf-%C3%AE-in-advanced-solid-tumors
#11
Julius Strauss, Christopher Heery, Jeffrey Schlom, Ravi A Madan, Liang Cao, Zhigang Kang, Elizabeth Lamping, Jennifer L Marte, Renee N Donahue, Italia Grenga, Lisa M Cordes, Olaf Christensen, Lisa Mahnke, Christoph Helwig, James L Gulley
PURPOSE: M7824 (MSB0011359C) is an innovative first-in-class bifunctional fusion protein composed of a monoclonal antibody against programmed death ligand 1 (PD-L1) fused to a transforming growth factor-β (TGF-β) "trap." Experimental DesignIn the 3+3 dose-escalation component of this phase 1 study (NCT02517398), eligible patients with advanced solid tumors received M7824 at 1, 3, 10, or 20 mg/kg once-every-2-weeks until confirmed progression, unacceptable toxicity, or trial withdrawal; additionally, a cohort received an initial 0...
January 3, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29297494/neuroendocrine-tumors-of-the-prostate
#12
Samson W Fine
Neuroendocrine (NE) differentiation in tumors of the prostate or in the setting of prostate cancer (PCa) is rare. A survey of these lesions is presented, including usual PCa with focal NE marker-positive cells, Paneth cell-like change, prostatic 'carcinoid', high-grade NE carcinoma, as well as other tumors that do not fit neatly into these categories. The most significant clinical and pathologic features, emerging molecular evidence and the importance of differentiating NE tumors involving the prostate from secondary involvement are highlighted...
January 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29295805/carcinoid-tumor-arising-from-a-retroperitoneal-mature-cystic-teratoma
#13
Po-Wei Huang, Yen-Lin Liu, James S Miser, Chii-Hong Lee, Chun-Yu Kao, Shu-Huey Chen
No abstract text is available yet for this article.
November 23, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/29295804/-primary-well-differentiated-neuroendocrine-tumor-of-the-filum-terminale-case-report-and-literature-review
#14
Juan Manuel Revuelta Barbero, Anwar Saab Mazzei, Carlos Cotúa Quinteros, Laura de Reina
OBJECTIVE: To present a case of a well-differentiated primary intradural-extramedullary neuroendocrine tumor of the filum terminale and to conduct a literature review. CASE: A 68-years old patient was assessed after presenting lower back pain and sciatica with ineffective pain relief. The patient presented an intradural-extramedullary lumbar lesion arising from the filum terminale, which was partially resected. The pathology diagnosis was a well-differentiated primary neuroendocrine tumor (carcinoid tumor)...
December 30, 2017: Neurocirugía
https://www.readbyqxmd.com/read/29290315/-synchronous-well-differentiated-ileal-neuroendocrine-tumour-and-colonic-adenocarcinoma-a-case-report-and-a-review-of-the-literature
#15
Enrique Alfaro Almajano, Lourdes Bengochea Martínez, Francisco Javier Mateos Barrionuevo, Carmen Almajano Martinez
Synchronous colonic adenocarcinoma and well-differentiated ileal neuroendocrine tumour are infrequent and are usually incidental findings on autopsies or resected surgical specimens. Only rarely are they detected on colonoscopies or during surgery. We present a case of a synchronous caecal adenocarcinoma and well-differentiated ileal neuroendocrine tumour, undetected during colonoscopy, with carcinoid metastasis in one regional lymph node not associated with adenocarcinoma metastasis. A review of the literature shows that the association of non-synchronous second primary malignancies in patients with gastrointestinal carcinoid tumours is reported in more than 50% of cases; however, synchronous tumours are found in only 1-8%...
January 2018: Revista Española de Patología
https://www.readbyqxmd.com/read/29282351/marked-18-fuorine-fluorodeoxyglucose-fdg-avidity-of-an-intrapulmonary-typical-carcinoid-tumor-manifesting-as-a-bronchocele-in-an-asymptomatic-middle-aged-woman
#16
Camila Saadé-Yordán, Edward McBurney-Henriquez, Ricardo González-Santoni, Carmen Gurrea-Rosas, José Montalvo-Fitzpatrick, José A Maldonado-Vargas
BACKGROUND Intrapulmonary carcinoid tumors (ICTs) are malignant, slow-growing tumors classified as either: i) typical, less aggressive, well-differentiated tumors or ii) atypical, more aggressive, poorly-differentiated tumors. Most typical carcinoid tumors originate in the central airway and present with symptoms related to bronchial obstruction. In contrast, atypical carcinoids tend to occur more peripherally and are generally detected incidentally as a solitary pulmonary nodule (SPN). Typical carcinoid tumors usually do not exhibit increased metabolic activity on positron emission tomography with 18-fuorine-fluorodeoxyglucose (FDG PET) as would be expected for malignant tumors...
December 28, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/29280916/erlotinib-for-coexisting-typical-bronchial-carcinoid-and-advanced-lung-adenocarcinoma-does-the-epidermal-growth-factor-receptor-mutation-status-matter
#17
Drpa Gordana, Katherina B Sreter, Manojlovic Spomenka, Kukulj Suzana
Adenocarcinoma (AC) is the most common type of primary pulmonary malignancy. Lung carcinoid, however, is a rare neuroendocrine tumor. Their coexistence is extremely uncommon. We report the unique case of synchronous advanced lung AC of the right upper lobe (stage IIIB) and typical endobronchial carcinoid tumor in the contralateral lower lobe in a 49-year-old white female who had never smoked. PET-computed tomography scan revealed a fluorine-18-fluorodeoxyglucose-avid AC lesion, whereas the carcinoid tumor was fluorine-18-fluorodeoxyglucose occult...
December 26, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29273478/anesthetic-management-of-patients-with-carcinoid-syndrome-and-carcinoid-heart-disease-the-mount-sinai-algorithm
#18
REVIEW
Javier Castillo, George Silvay, Menachem Weiner
No abstract text is available yet for this article.
November 20, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29259385/midgut-neuroendocrine-tumor-presenting-with-acute-intestinal-ischemia
#19
Ioannis Mantzoros, Natalia Antigoni Savvala, Orestis Ioannidis, Styliani Parpoudi, Lydia Loutzidou, Despoina Kyriakidou, Angeliki Cheva, Vasileios Intzos, Konstantinos Tsalis
Neuroendocrine tumors represent a heterogeneous group of neoplasms that arise from neuroendocrine cells and secrete various peptides and bioamines. While gastrointestinal neuroendocrine tumors, commonly called carcinoids, account for about 2/3 of all neuroendocrine tumors, they are relatively rare. Small intestine neuroendocrine tumors originate from intestinal enterochromaffin cells and represent about 1/4 of small intestine neoplasms. They can be asymptomatic or cause nonspecific symptoms, which usually leads to a delayed diagnosis...
December 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29251664/long-term-observation-of-multifocal-metastatic-intraocular-carcinoid-with-acquired-iris-heterochromia
#20
Natalie Wolkow, Frederick A Jakobiec, Evangelos S Gragoudas
BACKGROUND/PURPOSE: To report a unique case of a pulmonary carcinoid tumor unilaterally metastatic to the iris and ciliary body and bilaterally to the choroid that was conservatively followed. METHODS: A 46-year-old woman presented with bilateral choroidal lesions and a left iris tumor. Ultrasound biomicroscopy disclosed a ciliary body component. A diagnosis of metastatic carcinoid tumor was made based on the clinical features. Rather than an excision, photodynamic therapy, or radiation treatment, as has been reported in all previous cases of carcinoid tumor metastatic to the iris, the patient was observed...
December 13, 2017: Retinal Cases & Brief Reports
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