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Neuroendocrine Mediastinal Tumor

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https://www.readbyqxmd.com/read/30316617/cross-sectional-imaging-and-thoracoscopic-resection-of-functional-intrathoracic-paraganglioma-of-the-aortic-body
#1
Nicholas C Cleveland, Don N Nguyen, Kanika Goel, Cassie D Tran, Jeffrey S Mueller
Paragangliomas are extra-adrenal tumors that are derived from neuroendocrine chromaffin cells. The rare disease has a variable presentation depending upon its anatomic location and functionality. We describe the case of a 56-year-old female patient who had an incidental mass found on imaging. The patient underwent biochemical testing and a mediastinal biopsy due to the nonspecific imaging findings. The mediastinal mass was resected through hemisternotomy and found to be a functional paraganglioma. This case highlights the importance of radiologists to consider the prospect of paragangliomas in the differential diagnosis of an intra-thoracic mass...
September 11, 2018: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/30235746/challenges-in-the-surgical-treatment-of-undiagnosed-functional-paragangliomas-a-case-report
#2
Liangyuan Lu, Zhanmin Yang, Guyue Zhang, Bin An, Yanjun Lin, Xiangli Zheng
INTRODUCTION: Paragangliomas (PGs) or extra-adrenal pheochromocytomas are rare neuroendocrine neoplasms of ubiquitous distribution. Those that produce excess catecholamine are categorized as functional, and those that do not are categorized as nonfunctional. Although modern medical technology is becoming more widespread, there are still substantial risks of misdiagnosis or missed diagnosis of PGs. CASE PRESENTATION: A 38-year-old woman who lived in an autonomous region of inner Mongolia presented complaining of having experienced coughing for approximately the past month...
September 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/30232300/a-case-of-ectopic-acth-syndrome-due-to-ddavp-sensitive-but-v1b-receptor-negative-bronchial-typical-carcinoid-with-lymphatic-metastasis-and-plasma-progrp-elevation
#3
Tadashi Yamamuro, Kana Inoue, Yasuki Nagai, Daisuke Azuma, Aya Yamamoto, Kantaro Hara, Masaharu Kohara, Takashi Iwata, Shinichi Nakatsuka, Eiichi Morii, Tsunehiko Yamamoto
Ectopic ACTH syndrome (EAS) is a potentially fatal endocrine disease that results from a variety of neuroendocrine tumors (NETs), such as small cell lung cancer (SCLC) and bronchial typical carcinoid. Typical carcinoid is usually slow growing, not associated with plasma progastrin releasing peptide (ProGRP) elevation. Here, we report a 47-year-old female smoker with progressive typical carcinoid and plasma ProGRP elevation. Several types of Cushingoid features were found on physical examination. In addition, laboratory examination showed elevated plasma ACTH and serum cortisol levels...
September 20, 2018: Endocrine Journal
https://www.readbyqxmd.com/read/30214244/successful-cisplatin-etoposide-chemotherapy-based-treatment-of-a-primary-small-cell-neuroendocrine-carcinoma-of-the-tonsil-with-multiple-metastases-a-case-report
#4
Xing Wang, Qiming Chen, Jian Meng
Extrapulmonary small cell neuroendocrine carcinoma (SNEC) is an extremely rare and highly malignant tumor with a poor prognosis. Multiple metastases of SNEC are even more rare, and patients with locally advanced and metastatic disease generally face a poor outcome. To date, only a few cases of SNEC have been reported. Here, we describe a rare case of a 70-year-old female patient with SNEC of the tonsil who presented with multiple metastases and had achieved a complete response (CR) of the primary lesion and cervical lymph nodes for more than 1 year after receiving palliative chemotherapy...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29924023/small-cell-lung-cancer-mimicking-lymphoma-in-ct-and-68ga-dota-noc-pet-ct-a-case-report
#5
Liyan Lu, Fengfang Li, Yamei Zhang, Peng Wang, Xindao Yin, Wenbin Li
RATIONALE: Small cell lung cancer accounts for 15-20% of all lung cancers and is the most common pulmonary neuroendocrine neoplasm. Most small cell lung cancers arise from lobar or main bronchi, the most common manifestations of small cell lung cancer is a large mass centrally located within the lung parenchyma or a mediastinal mass involving the hilus. Small cell lung cancer is easily ignored by clinicians without lung parenchyma and hilus involvement. Here, we report a case of small cell lung cancer, which was misdiagnosed as the lymphoma in contrast enhanced CT and Ga-DOTA-NOC PET/CT imagings...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29900476/mixed-adenoneuroendocrine-carcinoma-of-the-esophagogastric-junction-a-case-report
#6
Miho Yamamoto, Soji Ozawa, Kazuo Koyanagi, Junya Oguma, Akihito Kazuno, Yamato Ninomiya, Kentaro Yatabe, Kazuhito Hatanaka
BACKGROUND: Mixed adenoneuroendocrine carcinoma (MANEC) is a tumor of the gastrointestinal tract that contains both exocrine and endocrine components, with each component exceeding 30% of the total tumor area. Because MANECs are exceedingly rare, no therapeutic strategies have been established yet. CASE PRESENTATION: An 81-year-old man was referred to our hospital with a 5-month history of dysphagia. Esophagogastroduodenoscopy revealed an ulcerated mass in the lower thoracic esophagus, extending up to the esophagogastric junction (33 to 40 cm from the incisors)...
June 14, 2018: Surgical Case Reports
https://www.readbyqxmd.com/read/29798958/primary-neuroendocrine-carcinoma-of-the-thymus-a-retrospective-analysis-from-a-regional-cancer-center-in-western-india
#7
Sandeep Ramesh Kukkar, Harsha Panchal, Asha Anand
Primary neuroendocrine tumors of the thymus are unusual anterior mediastinal tumors with a variable prognosis. A retrospective analysis of five patients with primary neuroendocrine tumors of the thymus admitted to the Gujarat Cancer and Research Institute, Ahmedabad, between 2012 and 2016, was done to study the clinical profile and outcome of these patients. The role of various prognostic factors such as surgical resection, histological grade, and Masaoka-Koga staging was also analyzed. Majority of the patients present with signs and symptoms related to a rapidly expanding mediastinal mass, such as breathlessness, facial puffiness, edema over the neck and extremities, chest pain, and other features of superior vena cava (SVC) syndrome...
July 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29765234/perioperative-chemotherapy-with-pemetrexed-and-cisplatin-for-pulmonary-large-cell-neuroendocrine-carcinoma-a-case-report-and-literature-review
#8
Hong Tang, Hongyan Wang, Shaoyan Xi, Chunyu He, Yuxi Chang, Qiming Wang, Yufeng Wu
Background: Pulmonary large-cell neuroendocrine carcinoma (LCNEC) is associated with poor prognosis, and its treatment strategy is still controversial, especially regarding chemotherapy regimens. Case report: We present the case of a 49-year-old Chinese male with primary pulmonary LCNEC treated with neoadjuvant and adjuvant chemotherapy with cisplatin plus pemetrexed. A suspected quasi-circular mass in the left lower pulmonary lobe and an enlarged mediastinal lymph node were found...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29544586/large-cell-carcinoma-with-adenocarcinoma-in-lung
#9
Mustafa Kupeli, Resit Dogan Koseoglu
Large cell neuroendocrine carcinoma (LCNC) is a rare and aggressive cancer accounting for 3% of all lung cancers. A small percentage of LCNC called combined LCNC, can be seen in combinations with other lung tumor types. Multimodal therapy is proposed for this type of tumor but there is no any significant therapy since it is very rare tumor. This patient was a 66-year male and a heavy smoker with no symptoms of lung disease. Computed tomography core biopsy showed suspected adenocarcinoma. Right lower lobectomy was performed with mediastinal lymph node dissection via mini thoracotomy...
March 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29515410/successful-salvage-chemotherapy-with-streptozocin-in-a-patient-with-mediastinal-atypical-carcinoid-tumor-who-had-relapsed-after-various-prior-therapies
#10
Toshirou Fukushima, Daisuke Gomi, Noriko Seno, Takahiko Gibo, Takashi Kobayashi, Nodoka Sekiguchi, Hirohide Matsushita, Yoshiko Kasahara, Keiko Mamiya, Tomonobu Koizumi
Pulmonary neuroendocrine tumors are rare, and there have been very few reports regarding optimal chemotherapeutic regimens. Two molecular targeted agents, everolimus and sunitinib, have recently been shown to provide an additional treatment benefit for pulmonary neuroendocrine tumors. However, little information is available regarding the usefulness of streptozocin chemotherapy. Here, we encountered a case of relapsed and refractory mediastinal atypical carcinoid tumor associated with multiple endocrine neoplasia type 1 for various cytotoxic and molecular targeted agents...
January 2018: Case Reports in Oncology
https://www.readbyqxmd.com/read/29471608/-pancreatic-neuroendocrine-tumor-presenting-as-acute-pancreatitis
#11
Minjeong Kim, Jin Myung Park, Sung Joon Lee, Chang Don Kang, MyungHo Kang, Ji Hyun Kim, Seungkoo Lee, Seong Whi Cho
We report a case of acute pancreatitis secondary to pancreatic neuroendocrine tumor. A 46-year old man presented with upper abdominal pain. The serum amylase and lipase were elevated. Abdominal computed tomography (CT) and magnetic resonance cholangiopancreatography revealed a 1.7 cm sized mass at the pancreas body with a dilatation of the upstream pancreatic duct and mild infiltrations of peripancreatic fat. An endoscopic ultrasound-guided fine needle biopsy was performed for the pancreatic mass, but only necrotic tissue was observed on the pathologic examination...
February 25, 2018: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/29399023/syndrome-of-inappropriate-antidiuretic-hormone-secretion-siadh-associated-with-mediastinal-schwannoma
#12
Shin Han Song, Gyeong Ah Sim, Seon Ha Baek, Jang Won Seo, Jung Weon Shim, Ja Ryong Koo
Syndrome of inappropriate antidiuretic hormone secretion (SIADH) is the most common cause of euvolemic hypo-osmotic hyponatremia. There are several etiologies of SIADH including neuroendocrine tumor, pulmonary disease, infection, trauma, and medications. Here, we report a case of SIADH associated with a schwannoma involving the mediastinum in a 75-year-old woman who presented with nausea, vomiting, and general weakness. Laboratory testing showed hypo-osmolar hyponatremia, with a serum sodium level of 102mmol/L, serum osmolality of 221mOsm/kg, urine osmolality of 382mOsm/kg, urine sodium of 55 mmol/L, and plasma antidiuretic hormone (ADH) of 4...
December 2017: Electrolyte & Blood Pressure: E & BP
https://www.readbyqxmd.com/read/29201451/neuroendocrine-tumors-of-the-thymus
#13
REVIEW
Pier Luigi Filosso, Enrico Ruffini, Paolo Solidoro, Matteo Roffinella, Paolo Olivo Lausi, Paraskevas Lyberis, Alberto Oliaro, Francesco Guerrera
Primary neuroendocrine tumors of the thymus (NETTs) are rare and biologically very aggressive neoplasms, usually located in the anterior mediastinal space. They are more frequently observed in males, in their fourth/fifth decades of life. In 50% of cases, NETTs are associated with endocrinopaties [Cushing's syndrome, acromegaly or Multiple Endocrine Neoplasia-1 (MEN-1) syndrome]. NETTs very often present with invasion of the surrounding mediastinal anatomical structures. Surgery, even in advanced stages, is the mainstay of treatment: a compete resection through a median sternotomy or a combined access (sternotomy + thoracotomy) should be always attempted...
November 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28882976/endobronchial-carcinoid-tumor-totally-occluding-the-left-main-bronchus-without-producing-symptoms-of-bronchial-obstruction
#14
Diamantis I Tsilimigras, Demetrios Moris, Ioannis Ntanasis-Stathopoulos, Davide Patrini, Nikolaos Panagiotopoulos
BACKGROUND: Bronchial carcinoid tumors (BCTs) are rare neuroendocrine neoplasms of the lung that mainly have a central distribution. They are classified as typical and atypical, with the former variant generally conferring a more favorable survival. Central tumors are usually symptomatic with features of bronchial obstruction, whereas peripheral tumors may remain silent. CASE REPORT: A 36-year-old woman presented to our hospital due to an episode of massive hemoptysis 5 days prior to admission...
September 2017: In Vivo
https://www.readbyqxmd.com/read/28602157/thymic-large-cell-neuroendocrine-carcinoma-a-rare-and-aggressive-tumor-a-case-report
#15
Efared Boubacar, Gabrielle Atsame-Ebang, Sani Rabiou, Ammor Fatimazahra, Asmae Mazti, Ibrahim S Sidibé, Layla Tahiri, Nawal Hammas, Ouadnouni Yassine, Smahi Mohamed, Chbani Laila, El Fatemi Hinde
BACKGROUND: Neuroendocrine tumors are a large group of tumors with a wide spectrum of behavior, affecting mainly the digestive system and the lung. The thymus is very rarely affected. CASE PRESENTATION: A 28-year-old Arab woman presented with chronic chest pain and dyspnea. A computed tomography scan showed a huge anterior mediastinal mass invading neighboring structures. A mediastinotomy was performed with biopsies of the mass. Pathological findings were consistent with a thymic large cell neuroendocrine carcinoma...
June 12, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28523180/primary-atypical-carcinoid-tumor-of-the-mediastinum-a-very-rare-finding
#16
Luigi Ventura, Letizia Gnetti, Enrico Maria Silini, Guido Rindi, Paolo Carbognani, Michele Rusca, Luca Ampollini
Primary neuroendocrine tumors (NETs) of the mediastinum are very rare. Prognosis is usually poor despite treatment options. We present the case of a primary atypical carcinoid tumor of the mediastinum successfully treated by multimodal approach. A 50-year-old man presented for asthenia, dyspnea, and substernal sense of weight for two weeks. A chest-CT scan revealed a tumor mass of 107×55×95 mm3 localized in the anterosuperior mediastinum compressing both brachiocephalic veins, the superior vena cava, the pericardium, and lungs...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28451004/-thymic-neuroendocrine-tumor-about-a-case-and-review-of-the-literature
#17
REVIEW
Andriatsihoarana Voahary Nasandratriniavo Ramahandrisoa, Nomeharisoa Rodrigue Emile Hasiniatsy, Valéry Refeno, Clairette Raharisolo Vololonantenaina, Andriamihaja Jean Claude Rakotoarisoa, Hanitrala Jean Louis Rakotovao, Florine Rafaramino
Thymic neuroendocrine tumors (TNET) are rare, with little-known prognosis. This study aims to report a case of TNET and to highlight the diagnostic and therapeutic difficulties in low-resource settings. A 60-year-old man presented with chest pain, greasy cough and recent weight loss. Chest CT scan showed anterior mediastinal tissue mass. Histologic evaluation of a 4 months-biopsy specimen obtained from anterior mediastinotomy showed a well differentiated TNET, labeled intensely positive for chromogranin and synaptophysin...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28427002/incidental-posterior-mediastinal-paraganglioma-the-safe-approach-to-management-case-report
#18
Juan A Muñoz-Largacha, Roan J Glocker, Jacob Moalem, Michael J Singh, Virginia R Litle
INTRODUCTION: Paragangliomas are neuroendocrine tumors arising from chromaffin cells located in sympathetic paraganglia. Mediastinal paragangliomas are extremely rare and can be classified as functional or non-functional according to their ability for secreting catecholamines. Patients can be asymptomatic and the diagnosis is usually incidental. Complete surgical resection remains the standard of care for paragangliomas. PRESENTATION OF CASE: We present a 44-year-old woman with a functional mediastinal paraganglioma incidentally found during the perioperative imaging workup for a diagnosed breast carcinoma...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28363254/pancreatic-neuroendocrine-carcinoma-with-exocrine-differentiation-in-a-young-cat
#19
Masaki Michishita, Mariko Takagi, Takuya E Kishimoto, Rei Nakahira, Takeshi Nogami, Hisashi Yoshimura, Hitoshi Hatakeyama, Daigo Azakami, Kazuhiko Ochiai, Kimimasa Takahashi
A 35-mo-old spayed female mixed-breed cat with continuous vomiting, emaciation, and abdominal distention for 2 wk was presented to a private veterinary clinic for evaluation. At 71 d after the initial visit, the cat died with anemia, jaundice, and hypoalbuminemia, and was subjected to autopsy. Grossly, numerous firm masses, 0.5-2.5 cm diameter, were randomly located in the left lobe of the pancreas. Histologic examination revealed that the pancreatic mass consisted of 2 tumor cell types: mostly small round cells with a minority of epithelial cells...
May 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28342443/incidental-metastatic-mediastinal-atypical-carcinoid-in-a-patient-with-parathyroid-adenoma-a-case-report
#20
Zareen Kiran, Asma Ahmed, Owais Rashid, Saira Fatima, Faizan Malik, Saulat Fatimi, Mubassher Ikram
BACKGROUND: Atypical carcinoid arising from the mediastinal tissue is a rare neuroendocrine tumor and an association with parathyroid adenoma is very unusual. We report an unusual case of atypical carcinoid of mediastinum with metastasis in a patient presenting with parathyroid adenoma, which is the first case to be reported from Pakistan. CASE PRESENTATION: A 51-year-old Pakistani man was seen in postoperative intensive care after right parathyroidectomy and mediastinal mass resection for the management of postoperative hypocalcaemia...
March 26, 2017: Journal of Medical Case Reports
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