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https://www.readbyqxmd.com/read/28079231/primary-neuroendocrine-neoplasm-of-the-esophagus-report-of-14-cases-from-a-single-institute-and-review-of-the-literature
#1
Francisco Tustumi, Flavio Roberto Takeda, Rodrigo Hideki Uema, Guilherme Luiz Stelko Pereira, Rubens Antonio Aissar Sallum, Ivan Cecconello
BACKGROUND: Most prevalent esophageal neoplasm is squamous cell carcinoma and adenocarcinoma. Other tumors are uncommon and poorly studied. Primary neuroendocrine esophageal neoplasm is a rare carcinoma and most of its therapy management is based on lung neuroendocrine studies. Neuroendocrine tumors can be clustered in the following subtypes: high grade (small cell carcinoma or large cell carcinoma) and low grade (carcinoids). OBJECTIVE: The present study aims to assess clinical and pathological neuroendocrine esophageal tumors in a single oncologic center...
January 2017: Arquivos de Gastroenterologia
https://www.readbyqxmd.com/read/28066666/ct-guided-percutaneous-microwave-ablation-of-pulmonary-malignant-tumors
#2
Wei-Chun Ko, Yee-Fan Lee, Yi-Chang Chen, Ning Chien, Yu-Sen Huang, Yao-Hui Tseng, Jang-Ming Lee, Hsao-Hsun Hsu, Jin-Shing Chen, Yeun-Chung Chang
BACKGROUND: Microwave ablation (MWA) of lung tumors is a new approach for local tumor control. The purpose of this retrospective study was to evaluate the preliminary results of safety and efficacy of MWA with a dynamic frequency range (902-928 MHz) and power (10-32 W) for local tumor control of thoracic malignancies. METHODS: From December 1, 2013 to February 1, 2016, there were total 32 lung tumors among 15 patients (7 men, 8 women, age range 43-82 years, mean 57...
October 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28063145/solitary-fibrous-tumor-of-the-lung-a-case-report
#3
Yoshinobu Ichiki, Keisei Kakizoe, Takayuki Hamatsu, Atsuji Matsuyama, Taketoshi Suehiro, Fumihiro Tanaka, Masanori Hisaoka, Keizo Sugimachi
Solitary fibrous tumors (SFTs) are relatively rare neoplasms that commonly occur in the pleura. The pathological feature of SFTs is a proliferation of spindle-shaped cells in interlacing or storiform fascicles. SFTs appear to derived from pluripotential submesothelial cells, but not the covering mesothelium. SFTs distinctively show diffuse staining for CD34 but lack staining for smooth muscle markers. We herein report a relatively rare case of a 68-year-old male patient without symptoms, who underwent resection for what was considered to be SFT...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28057739/aberrant-let7a-hmga2-signaling-activity-with-unique-clinical-phenotype-in-jak2-mutated-myeloproliferative-neoplasms
#4
Chih-Cheng Chen, Jie-Yu You, Jrhau Lung, Cih-En Huang, Yi-Yang Chen, Yu-Wei Leu, Hsing-Ying Ho, Chian-Pei Li, Chang-Hsien Lu, Kuan-Der Lee, Chia-Chen Hsu, Jyh-Pyng Gau
High mobility group AT-hook 2 (HMGA2) is an architectural transcriptional factor that is negatively regulated by Let-7 microRNA through binding to its 3-untranslated region (3-UTR). Transgenic mice expressing HMGA2 with a truncation of its 3-UTR has been shown to exhibit a myeloproliferative phenotype. To decipher the Let-7-HMGA2 axis in myeloproliferative neoplasms (MPN), we employed an in vitro model supplemented with clinical correlation. Ba/F3 cells with inducible JAK2V617F expression (Ton.JAK2.V617F cells) showed up-regulation of HMGA2 with concurrent let-7a repression...
January 5, 2017: Haematologica
https://www.readbyqxmd.com/read/28056866/case-report-whole-exome-sequencing-of-primary-cardiac-angiosarcoma-highlights-potential-for-targeted-therapies
#5
Leah Zhrebker, Irene Cherni, Lara M Gross, Margaret M Hinshelwood, Merrick Reese, Jessica Aldrich, Joseph M Guileyardo, William C Roberts, David Craig, Daniel D Von Hoff, Robert G Mennel, John D Carpten
BACKGROUND: Primary cardiac angiosarcomas are rare, but they are the most aggressive type of primary cardiac neoplasms. When patients do present, it is with advanced pulmonary and/or cardiac symptoms. Therefore, many times the correct diagnosis is not made at the time of initial presentation. These patients have metastatic disease and the vast majority of these patients die within a few months after diagnosis. Currently the treatment choices are limited and there are no targeted therapies available...
January 5, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28050379/pulmonary-hamartoma-mimicking-malignancy-a-cytopathological-diagnosis
#6
Manjari Kishore, Prajwala Gupta, Preeti, Desh Deepak
Pulmonary Hamartomas (PH) are benign tumour-like lesions of lung with an uncommon occurrence and pose a diagnostic challenge on chest radiograph. Fine Needle Aspiration Cytology (FNAC) can lead to a definitive diagnosis as well as distinguishes these from malignant lung mass. Most of the patients are asymptomatic and incidentally detected on routine chest radiographs. We report a case of pulmonary hamartoma where the patient was symptomatic and a possibility of malignant neoplasm was considered until the FNAC concluded the diagnosis...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28045754/anti-nxp2-positive-paraneoplastic-dermatomyositis-with-histopathologic-changes-confined-to-the-acrosyringia
#7
Jose Luis Ramírez-Bellver, Elena Macías, Claudia Bernárdez, Joaquín López-Robles, Maria Del Carmen Vegas-Sánchez, Jose Luis Díaz-Recuero, Hernán Quiceno, Luis Requena
BACKGROUND: Paraneoplastic syndromes consist of a group of disorders that are not related to the extension of the primary tumor or its metastases and that might be the first manifestation of a hidden neoplasm. It is a well-known association between dermatomyositis (DM) and cancer, especially gynecological tumors in women and lung cancer in men. METHODS: We describe the case of a 67-year-old male who developed muscular weakness and pruritic skin lesions. Skin biopsies were performed and histologic findings were consistent with DM...
January 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28043987/18f-fluorodeoxyglucose-positron-emission-tomographic-scan-in-solid-type-p-stage-i-pulmonary-adenocarcinomas-what-can-produce-false-negative-results-%C3%A2
#8
Filippo Lococo, Carla Galeone, Debora Formisano, Salvatore Bellafiore, Angelina Filice, Tartaglione Annunziata, Alfredo Cesario, Cristian Rapicetta, Federica Fioroni, Tommaso Ricchetti, Massimiliano Paci
OBJECTIVE: False-negative (FN) uptake of 18F-fluorodeoxyglucose (FDG) can be divided into those cases related to technological limitations of positron emission tomography (PET) and those related to inherent properties of neoplasms. Our goal was to clarify possible factors causing FN PET results in patients with solid-type pulmonary adenocarcinomas (PAs). METHODS: From January 2007 to December 2014, of the 255 patients with p-stage-1 non-small-cell lung cancer observed and treated (surgically) in our institution, we retrospectively reviewed the PET/computed tomography (CT) records, the clinical information, the preoperative thin-section CT images, and the pathological features [classified by the International Association for the Study of Lung Cancer/American Thoracic Society/European Respiratory Society (IASLC/ATS/ERS) subtyping criteria] of 94 consecutive solid-type p-stage-1 PAs...
January 2, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28038711/smarca4-and-smarca2-deficiency-in-non-small-cell-lung-cancer-immunohistochemical-survey-of-316-consecutive-specimens
#9
Esther Herpel, Ralf J Rieker, Hendrik Dienemann, Thomas Muley, Michael Meister, Arndt Hartmann, Arne Warth, Abbas Agaimy
The chromatin remodeling switch sucrose nonfermentable (SWI/SNF) complex has been increasingly implicated in the pathogenesis and dedifferentiation of neoplasms from several organs with prognostic and potential therapeutic implications. We herein investigated the expression of the SWI/SNF complex catalytic subunits SMARCA4 (BRG1) and SMARCA2 (BRM) in 316 consecutive non-small cell lung cancer (NSCLC) specimens on tissue microarrays (171 adenocarcinomas [ADCAs], 130 squamous cell carcinomas [SCCs], 9 adenosquamous carcinomas, and 6 large cell carcinomas) excluding undifferentiated/giant cell or rhabdoid carcinomas...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28029513/inflammatory-myofibroblastic-tumour
#10
Michael McDermott
While initially controversial, the proposal that a subset of inflammatory pseudotumours were myofibroblastic neoplasms is now acknowledged. Inflammatory myofibroblastic tumour is a spindle cell neoplasm of intermediate biological potential that may arise in a wide range of anatomic sites but has a particular propensity for the lung and abdominal soft tissues. Depending on its location, IMT may present with a variety of clinical symptoms and it may also express a variable pathologic phenotype, leading to a broad range of clinical and pathological differentials...
August 31, 2016: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/28028336/comparative-study-of-bronchoalveolar-lavage-bronchial-brushing-and-fnac-in-diagnosing-malignant-neoplasms-of-lungs
#11
Vijeta Tomar, N Vijay, P Nuwal, R Dixit
BACKGROUND: Lung cancer is the leading cause of death in developed countries and is increasing at alarming rates in developing countries. Cytological techniques such as bronchoalveolar lavage (BAL), bronchial brushing (BB), and fine needle aspiration cytology (FNAC) can aid in the early diagnosis of lung malignancies. MATERIALS AND METHODS: A total of 67 cases, suspected of lung cancer between January 2010 and December 2012, were selected where samples of BAL, BB, FNAC, as well as biopsy were obtained and processed according to the standard procedures of cytology and histology...
October 2016: Journal of Cytology
https://www.readbyqxmd.com/read/28025960/metastatic-spread-of-systemic-neoplasms-to-central-nervous-system-tumors-review-of-the-literature-and-case-presentation-of-esophageal-carcinoma-metastatic-to-meningioma
#12
Bertram Richter, Lakshmi Harinath, Cunfeng Pu, Kristen Stabingas
Metastatic spread of a systemic neoplasm to a central nervous system malignancy is a rare but well-documented phenomenon. Over 100 case reports of tumor-to-tumor spread involving the central nervous system have been described since the first report in 1930. Overwhelmingly, intracranial meningioma represents the most common recipient tumor, while breast and lung are the first and second most common donor malignancies, respectively. The propensity for meningiomas to harbor metastatic lesions has been attributed to cell-to-cell adhesion molecules, favorable metabolic environment as well as hormonal and mechanical factors...
December 27, 2016: Clinical Neuropathology
https://www.readbyqxmd.com/read/28024693/the-race-to-target-met-exon-14-skipping-alterations-in-non-small-cell-lung-cancer-the-why-the-how-the-who-the-unknown-and-the-inevitable
#13
REVIEW
Thanyanan Reungwetwattana, Ying Liang, Viola Zhu, Sai-Hong Ignatius Ou
A number of small molecule tyrosine kinase inhibitors (TKIs) have now been approved for the treatment of non-small cell lung cancers (NSCLC), including those targeted against epidermal growth factor receptor, anaplastic lymphoma kinase, and ROS1. Despite a wealth of agents developed to target the receptor tyrosine kinase, MET, clinical outcomes have as yet been disappointing, leading to pessimism about the role of MET in the pathogenesis of NSCLC. However, in recent years, there has been a renewed interest in MET exon 14 alterations as potential drivers of lung cancer...
January 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28009606/hobnail-variant-of-papillary-thyroid-carcinoma-clinicopathologic-and-molecular-evidence-of-progression-to-undifferentiated-carcinoma-in-2-cases
#14
José M Cameselle-Teijeiro, Irene Rodríguez-Pérez, Ricardo Celestino, Catarina Eloy, Magalí Piso-Neira, Ihab Abdulkader-Nallib, Paula Soares, Manuel Sobrinho-Simões
The hobnail variant (HV) of papillary thyroid carcinoma (PTC) is an unusual entity recently proposed as an aggressive variant of PTC. We describe the pathologic and molecular features of 2 cases of HV of PTC. Both tumors presented in stage III (pT3 pN1a M0). The first case was diagnosed in a 62-year-old man, whereas the second was in a 53-year-old woman. Both patients were treated with total thyroidectomy and radioactive iodine. The primary tumors showed a hobnail/micropapillary pattern in ≥50% of the neoplasm, and positivity for TTF-1, TTF-2, thyroglobulin (TG), cyclin D1, and p53...
December 22, 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28001329/fna-biopsy-of-secondary-nonlymphomatous-malignancies-in-salivary-glands-a-multi-institutional-study-of-184-cases
#15
He Wang, Raza S Hoda, William Faquin, Esther Diana Rossi, Nihar Hotchandani, Tianlin Sun, Marc Pusztaszeri, Tommaso Bizzarro, Massimo Bongiovanni, Viren Patel, Nirag Jhala, Guido Fadda, Yun Gong
BACKGROUND: Secondary malignancies of salivary glands (SMSGs) are among the most common malignant neoplasms to involve the salivary glands. Fine-needle aspiration biopsy (FNAB) of SMSG can present diagnostic challenges. The current report presents the largest such FNAB series to date. METHODS: A search of the pathology database from 6 academic institutions identified 184 FNAB cases of nonlymphomatous SMSG. RESULTS: Of the 184 cases, 171 were of the parotid glands, and 13 were of the submandibular glands; 130 patients were men, and 54 were women, and the mean patient age at diagnosis was 68 years...
December 21, 2016: Cancer
https://www.readbyqxmd.com/read/28001196/-financial-impact-of-smoking-on-health-systems-in-latin-america-a-study-of-seven-countries-and-extrapolation-to-the-regional-level
#16
Andrés Pichon-Riviere, Ariel Bardach, Federico Augustovski, Andrea Alcaraz, Luz Myriam Reynales-Shigematsu, Márcia Teixeira Pinto, Marianela Castillo-Riquelme, Esperanza Peña Torres, Diana Isabel Osorio, Leandro Huayanay, César Loza Munarriz, Belén Sáenz de Miera-Juárez, Verónica Gallegos-Rivero, Catherine De La Puente, María Del Pilar Navia-Bueno, Joaquín Caporale
Objective: Estimate smoking-attributable direct medical costs in Latin American health systems. Methods: A microsimulation model was used to quantify financial impact of cardiovascular and cerebrovascular disease, chronic obstructive pulmonary disease (COPD), pneumonia, lung cancer, and nine other neoplasms. A systematic search for epidemiological data and event costs was carried out. The model was calibrated and validated for Argentina, Bolivia, Brazil, Chile, Colombia, Mexico, and Peru, countries that account for 78% of Latin America's population; the results were then extrapolated to the regional level...
October 2016: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/27999780/coincidence-of-thymoma-and-breast-cancer-and-in-a-56-year-old-female-patient
#17
Evangelia Athanasiou, Electra Michalopoulou-Manoloutsiou, Mattheos Bobos, Dimitris I Hatzibougias, Paul Zarogoulidis, Nikolos Katsikogiannis, Eirini Sarika, Ilias Karapantzos, Nikolaos Barbetakis, Dimitrios Paliouras, Fotis Chatzinikolaou, Charalampos Charalampidis, Ioanna Kougioumtzi, Alexandros Kolettas, Andreas Bakas, Keraso Tzelepi, Efstratios Kalaitzis, Kosmas Tsakiridis
We present a case of a 56-year-old female, with a familial history of breast, lung and brain cancer, which revealed a breast tumor, located in the upper outer quadrant of the left breast. During the routinely staging examinations, a 15 cm intrathoracic tumor was found in the upper left mediastinum, penetrating the pericardium and a smaller tumor, in the left side of parietal pleura. Core biopsies from both lesions, revealed a lobular carcinoma of the breast classic type, grade II (e-cadherin-, ER+, PR+, Her-2-, Ki-67 10%) and a B3 thymoma (CK19+, CD5+) penetrating the pericardium and the left lung...
November 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/27994429/odontogenic-myxofibroma-of-gingiva-in-a-pediatric-patient-with-tuberous-sclerosis-a-rare-case-report
#18
Nidhi Bhoyar, Sunita Gupta, Sujoy Ghosh
Tuberous sclerosis complex (TSC) is a rare multisystem genetic disease, with an estimated incidence of 1 in 6000-1 in 10,000. TSC is an autosomal dominant syndrome involving heart, kidneys, lungs, and skin. The classic triad of TSC is seizures, mental retardation, and angiofibromas; this triad occurs in only 29% of patients. The clinical diagnostic guidelines on TSC are prepared based on clinical features, radiographic findings. The most common oral manifestations of TSC are fibroma, gingival hyperplasia, and enamel hypoplasia...
October 2016: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/27993578/-sarcomatoid-carcinomas-of-the-lung-a-clinicopathologic-study-of-86-cases-with-a-new-perspective-on-tumor-classification
#19
Annikka Weissferdt, Neda Kalhor, Arlene M Correa, Cesar A Moran
Pulmonary sarcomatoid carcinoma includes a heterogenous group of tumors which is difficult to diagnose and treat. We report the clinicopathological features of 86 such tumors, including 74 pleomorphic and 12 spindle cell carcinomas, and propose a novel approach to the classification of these neoplasms in an attempt to better guide patient management. The patients were 47 males and 39 females aged 36 to 87 years (mean, 63 years) who primarily presented with shortness of breath, cough and chest pain. Eighty-six percent of patients had a smoking history...
December 16, 2016: Human Pathology
https://www.readbyqxmd.com/read/27993505/microwave-ablation-for-lung-neoplasms-a-retrospective-analysis-of-long-term-results
#20
Terrance T Healey, Bradford T March, Grayson Baird, Damian E Dupuy
PURPOSE: To determine the long-term safety and efficacy of microwave (MW) ablation in the treatment of lung tumors at a single academic medical center. MATERIALS AND METHODS: Retrospective review was performed of 108 patients (42 female; mean age, 72.5 y ± 10.3 [standard deviation]) who underwent computed tomography (CT)-guided percutaneous MW ablation for a single lung malignancy. Eighty-two were primary non-small-cell lung cancers and 24 were metastatic tumors (9 colorectal carcinoma, 2 renal-cell carcinoma, 4 sarcoma, 2 lung, and 7 other)...
December 16, 2016: Journal of Vascular and Interventional Radiology: JVIR
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