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https://www.readbyqxmd.com/read/29079914/mri-features-of-primary-rare-malignancies-of-the-liver-a-report-from-four-university-centres
#1
Richard C Semelka, Nadesan Nimojan, Saman Chandana, Miguel Ramalho, Suzanne L Palmer, Danielle DeMulder, Carolina Parada Villavicencio, John Woosley, Bonnie L Garon, Reena C Jha, Frank H Miller, Ersan Altun
PURPOSE: To determine if rare primary malignancies of the liver may have consistent features on magnetic resonance imaging (MRI). MATERIALS AND METHODS: This IRB-compliant retrospective study reviewed the records from the pathology departments of four university centres over an 11-year period from 2005-2016 to identify rare primary malignant tumours, which were cross-referenced with MRI records. MRI studies of these patients were reviewed to determine if these tumours exhibited consistent and distinctive features...
October 27, 2017: European Radiology
https://www.readbyqxmd.com/read/28973700/hematologic-malignancies-discovered-on-investigation-of-breast-abnormalities
#2
Alaa Alsadi, Dianna Lin, Hussein Alnajar, Arlen Brickman, Colin Martyn, Paolo Gattuso
OBJECTIVES: Hematological malignancies of the breast share a presentation similar to primary breast carcinomas but differ substantially in therapeutic approach and clinical outcomes. In this study, we investigate the frequency of hematological malignancies, their relative primary and secondary occurrences, and further characterize the distinct histopathologies of these malignancies with a special focus on lymphomas. To our knowledge this is one of the largest and most comprehensive studies of breast hematologic malignancies...
October 2017: Southern Medical Journal
https://www.readbyqxmd.com/read/28951274/spinal-metastasis-of-unknown-primary-accompanied-by-neurologic-deficit-or-vertebral-instability
#3
Abdurrahman Aycan, Sebahattin Celik, Fetullah Kuyumcu, Mehmet Edip Akyol, Mehmet Arslan, Erkan Dogan, Harun Arslan
BACKGROUND AND OBJECTIVE: Spinal bone metastases are common. They are mostly localized to the lumbar, thoracic, and cervical spine. The most common primaries to result in spinal metastases include lung, breast, and prostate carcinomas in adults as opposed to leukemia, Ewing sarcoma, rhabdomyosarcoma, and neuroblastoma in children. In patients diagnosed with cancer, bone metastases are found in 40% and spinal metastases in 10%. In this study, we reviewed 25 patients diagnosed with a spinal metastasis of unknown primary who presented with low back pain or acute-onset neurologic deficits and underwent operative treatment...
September 23, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28932588/kras-mutation-positive-mucinous-adenocarcinoma-originating-in-the-thymus
#4
Ichiro Sakanoue, Hiroshi Hamakawa, Daichi Fujimoto, Yukihiro Imai, Kazuhiro Minami, Keisuke Tomii, Yutaka Takahashi
Thymic carcinoma is a rare, aggressive disease with a low 5-year survival rate. The most common histological neoplastic thymic tumor subtype is squamous cell. We describe an interesting case of a 39-year-old woman who presented with mucinous adenocarcinoma that originated in the thymus and was treated via radical resection and venoplasty of the superior vena cava (SVC). Macroscopically, the resected tumor contained a solid region and multiple cysts with abundant mucin. Microscopic examination showed a papillary growth pattern of goblet cells with round nuclei...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28597093/-pediatric-salivary-gland-tumors-and-tumor-like-lesions
#5
REVIEW
A Agaimy, H Iro, J Zenk
Salivary gland tumors and tumor-like lesions in the pediatric population are uncommon. They comprise a heterogeneous group of infectious/inflammatory and neoplastic conditions. Pediatric salivary neoplasms include benign tumors of mesenchymal or epithelial origin as well as malignancies of epithelial (carcinomas), mesenchymal (sarcoma) or hematolymphoid (lymphoma) derivation. Infectious/inflammatory conditions and hematolymphoid malignancies may represent either genuine parenchymal pathology or conditions involving intraglandular lymph nodes of the parotid glands (intraglandular lymphadenopathy and intraglandular nodal lymphomas)...
July 2017: Der Pathologe
https://www.readbyqxmd.com/read/28586604/orbital-involvement-in-sinonasal-diseases
#6
Zia-Us-Salam Qazi, Sarfraz Latif, Sadia Maqsood Awan
BACKGROUND: Orbital involvement in sinonasal diseases can present as proptosis, ophthalmoplegia or even as blindness due to optic nerve damage. There are a number of sinonasal diseases which can involve eyes. The purpose of this study was to enlist diagnoses of all the patients with sinonasal disease, in which orbit was also involved unilaterally or bilaterally and to analyse the management strategy and final outcome in all the cases. METHODS: Hundred consecutive patients having orbital symptoms along with sinonasal complaints that presented in ENT department of Shaikh Zayed federal postgraduate medical institute were included in our prospective study...
October 2016: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28429039/-true-thymic-hyperplasia-differential-diagnosis-of-thymic-mass-lesions-in-neonates-and-children
#7
C-A Weis, B Märkl, T Schuster, K Vollert, P Ströbel, A Marx
Reactive and neoplastic thymic pathologies are the main considerations in the case of masses in the anterior and middle part of the mediastinum, while neurogenic tumors are predominant in the posterior mediastinum (which are not dealt with here). In neonates and infants, the commonest pathologies in the anterior mediastinum comprise germ cell tumors (mainly teratomas), congenital thymic cysts and true thymic hyperplasia (TTH). In toddlers, teratomas, yolk sac tumors and cysts predominate. In children over 5 years of age, lymphomas are the commonest mass lesions whereas thymomas and thymic carcinomas are rare...
July 2017: Der Pathologe
https://www.readbyqxmd.com/read/28355107/pathology-of-aging-in-nod-scid-gamma-female-mice
#8
Sara F Santagostino, Rodolfo J Ricart Arbona, Melissa A Nashat, Julie R White, Sebastien Monette
In the past decade, NOD.Cg- Prkdc(scid) Il2rg(tm1Wjl)/SzJ (NSG, NOD scid gamma) mice have become a model of choice in several areas of biomedical research; however, comprehensive data on their spontaneous age-related pathology are not currently available in the literature. The prevalence of spontaneous morbidity affecting aged NSG female breeders enrolled in a parasitology study was documented with classification of neoplastic and non-neoplastic (inflammatory, metabolic, degenerative) lesions. Malignant mammary neoplasms were most commonly diagnosed, often accompanied by pulmonary metastases, while a low frequency of lymphoma and histiocytic sarcoma was documented...
September 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28166075/clinico-histopathological-survey-of-head-and-neck-cancer-at-tertiary-health-care-centre-dhulikhel-hospital
#9
S Dixit, C Upadhyaya, M Humagain, R Srii, V Marla
Background Head and neck is one of the most prevalent site for cancers along with lungs, cervix, breast and stomach. Hospital based cancer registries required for effective evaluation of diagnosis and management of cancer is inadequate in Nepal. Cancer registry system established by WHO is acquired by seven major hospitals in our country. However, data from tertiary health care centres like ours remain undocumented. Objective The objective of this study is to perform retrospective analysis of clinicohistopathological types of head and neck lesions which were eventually diagnosed as cancer in Dhulikel Hospital, a tertiary health care centre of Central East Nepal...
April 2016: Kathmandu University Medical Journal (KUMJ)
https://www.readbyqxmd.com/read/27912844/heparanase-from-basic-research-to-therapeutic-applications-in-cancer-and-inflammation
#10
Israel Vlodavsky, Preeti Singh, Ilanit Boyango, Lilach Gutter-Kapon, Michael Elkin, Ralph D Sanderson, Neta Ilan
Heparanase, the sole heparan sulfate degrading endoglycosidase, regulates multiple biological activities that enhance tumor growth, angiogenesis and metastasis. Heparanase expression is enhanced in almost all cancers examined including various carcinomas, sarcomas and hematological malignancies. Numerous clinical association studies have consistently demonstrated that upregulation of heparanase expression correlates with increased tumor size, tumor angiogenesis, enhanced metastasis and poor prognosis. In contrast, knockdown of heparanase or treatments of tumor-bearing mice with heparanase-inhibiting compounds, markedly attenuate tumor progression further underscoring the potential of anti-heparanase therapy for multiple types of cancer...
November 2016: Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy
https://www.readbyqxmd.com/read/27729935/a-case-of-s-100-negative-melanoma-a-diagnostic-pitfall-in-the-workup-of-a-poorly-differentiated-metastatic-tumor-of-unknown-origin
#11
Anna Biernacka, Konstantinos D Linos, Peter A DeLong, Arief A Suriawinata, Vijayalakshmi Padmanabhan, Xiaoying Liu
When confronted with a metastatic poorly differentiated tumor of unknown origin, the initial workup includes the standard panel of immunostains to rule out carcinoma, sarcoma, lymphoma, and the greatest mimicker in pathology - malignant melanoma. Although not specific, the S-100 protein is expressed in over 95% of malignant melanomas. Herein, we present a case of multiorgan metastatic malignancy with a dominant hilar and mediastinal mass in a current smoker; clinically, highly suggestive of widespread primary lung cancer...
2016: CytoJournal
https://www.readbyqxmd.com/read/27684838/uncommon-liver-tumors-case-report-and-literature-review
#12
REVIEW
Chia-Hung Wu, Nai-Chi Chiu, Yi-Chen Yeh, Yu Kuo, Sz-Shian Yu, Ching-Yao Weng, Chien-An Liu, Yi-Hong Chou, Yi-You Chiou
BACKGROUND: Beside hepatocellular carcinoma, metastasis, and cholangiocarcinoma, the imaging findings of other relatively uncommon hepatic lesions are less discussed in the literature. Imaging diagnosis of these lesions is a daily challenge. In this article, we review the imaging characteristics of these neoplasms. METHODS: From January 2003 to December 2014, 4746 patients underwent liver biopsy or hepatic surgical resection in our hospital. We reviewed the pathological database retrospectively...
September 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27601260/a-practical-approach-to-liver-metastasis-from-unknown-primary-cancer-what-surgeons-need-to-know
#13
REVIEW
Forat Swaid, Darrell Downs, Alexander S Rosemurgy
The liver is a site of metastasis in 25% of metastatic cancers (Abbruzzese et al., 1995). In Western countries, metastases are the most common type of malignant neoplasms in the liver. The majority of liver metastases arise from carcinomas, but other primary tumor types should also be considered, such as lymphomas, sarcomas, melanomas, and germ cell tumors. Of primary liver malignancies, hepatocellular carcinoma is the most common (Hertz et al., 2000). The differentiation between metastatic carcinoma to the liver and primary hepatocellular carcinoma is sometimes challenging...
December 2016: Cancer Genetics
https://www.readbyqxmd.com/read/27443513/evaluation-of-etv4-and-wt1-expression-in-cic-rearranged-sarcomas-and-histologic-mimics
#14
Yin P Hung, Christopher Dm Fletcher, Jason L Hornick
A distinct subset of round cell sarcomas harbors capicua transcriptional repressor (CIC) rearrangement. Diagnosing these sarcomas can be difficult owing to their resemblance to Ewing sarcoma and other 'small round blue cell tumors'; molecular techniques are generally required. Recent gene expression studies of CIC-rearranged sarcomas identified the upregulation of ETV4. We assessed the sensitivity and specificity of ETV4 and WT1 immunohistochemistry for CIC-rearranged sarcoma. We evaluated whole-tissue sections from 40 CIC-rearranged sarcomas, 40 Ewing sarcomas, 4 BCOR-CCNB3 sarcomas, 6 unclassified round cell sarcomas, and 150 histologic mimics...
November 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27403403/thoracic-presentations-of-small-round-blue-cell-tumors
#15
Annalice Chang, Kyle Pfeifer, Peter Chen, Vivek Kalra, Myung Soo Shin
The term "small round blue cell" is frequently used as a cursory radiologic pathological correlation of aggressive tumors throughout the body. We present a pictorial essay of common and uncommon subtypes of small round blue cell tumors in the chest illustrating the characteristic radiologic findings of each lesion. In addition, we review the pathologic findings of each tumor subtype with characteristic hematoxylin- and eosin-stained photomicrographs and immunohistochemical and molecular studies. Represented tumors include small cell carcinoma, Ewing sarcoma, extranodal marginal zone B-cell lymphoma, embryonal rhabdomyosarcoma, desmoplastic small round cell tumor, and posttransplant lymphoproliferative disorder...
2016: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/27073510/radiation-induced-low-grade-fibromyxoid-sarcoma-of-the-chest-wall-nine-years-subsequent-to-radiotherapy-for-breast-carcinoma-a-case-report
#16
Shino Shibata, Kenshiro Shiraishi, Hideomi Yamashita, Reiko Kobayashi, Keiichi Nakagawa
The present study reports a case of low-grade fibromyxoid sarcoma that occurred in a 62-year-old woman 9 years subsequent to whole breast irradiation for a carcinoma of the left breast, and 18 years following chemotherapy and radiotherapy (RT) for non-Hodgkin's lymphoma (NHL; diagnosed at the age of 43). The patient was 53 years of age when a cT2N0M0 stage IIA breast tumor was identified and excised. A 2.5 cm diameter nodule with dimpling in the upper-outer region of the left breast was detected. Pathological examination revealed that the tumor was an invasive ductal carcinoma, of a solid tubular type...
April 2016: Oncology Letters
https://www.readbyqxmd.com/read/27073482/egfr-alk-ret-kras-and-braf-alterations-in-never-smokers-with-non-small-cell-lung-cancer
#17
Y U Dong, Weihong Ren, Jun Qi, B O Jin, Ying Li, Huiqing Tao, Ren Xu, Yanqing Li, Qinxian Zhang, Baohui Han
Non-small cell lung cancer (NSCLC), caused by various mutations in a spectrum of cancer driver genes, may have distinct pathological characteristics and drug responses. Extensive genetic screening and pathological characterization is required for the design of customized therapies to improve patient outcomes. Notably, NSCLC in never-smokers exhibits distinctive clinicopathological features, which are frequently associated with tumorigenic mutations, and thus may be treated as a unique disease entity. However, to the best of our knowledge, these mutations have not been extensively and accurately characterized in an NSCLC study with a large sample size...
April 2016: Oncology Letters
https://www.readbyqxmd.com/read/26847175/evaluation-of-nkx2-2-expression-in-round-cell-sarcomas-and-other-tumors-with-ewsr1-rearrangement-imperfect-specificity-for-ewing-sarcoma
#18
Yin P Hung, Christopher D M Fletcher, Jason L Hornick
Ewing sarcoma shows considerable histologic overlap with other round cell tumors. NKX2-2, a homeodomain transcription factor involved in neuroendocrine/glial differentiation and a downstream target of EWSR1-FLI1, has been reported as an immunohistochemical marker for Ewing sarcoma. We assessed the specificity of NKX2-2 for Ewing sarcoma compared with other round cell malignant neoplasms and other soft tissue tumors with EWSR1 translocations. We evaluated whole-tissue sections from 270 cases: 40 Ewing sarcomas (4 with atypical/large cell features), 20 CIC-DUX4 sarcomas, 5 BCOR-CCNB3 sarcomas, 9 unclassified round cell sarcomas, 10 poorly differentiated synovial sarcomas, 10 lymphoblastic lymphomas, 10 alveolar rhabdomyosarcomas, 10 embryonal rhabdomyosarcomas, 10 Merkel cell carcinomas, 10 small cell carcinomas, 20 melanomas, 5 NUT midline carcinomas, 10 Wilms tumors, 10 neuroblastomas, 10 olfactory neuroblastomas, 12 mesenchymal chondrosarcomas, 10 angiomatoid fibrous histiocytomas, 10 clear cell sarcomas, 5 gastrointestinal clear cell sarcoma-like tumors, 5 desmoplastic small round cell tumors, 10 extraskeletal myxoid chondrosarcomas, 10 soft tissue and cutaneous myoepitheliomas, and 19 myoepithelial carcinomas...
April 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/26838258/evaluation-of-the-histo-epidemiological-profile-of-solid-childhood-cancers-in-togo
#19
Tchin Darré, Nidain Maneh, Matchonna Kpatcha, Azanledji Boumé, Essohana Padaro, Koffi Amégbor, Gado Napo-Koura
BACKGROUND: Cancer is a subject of continuing concern, more common in adults than in children, but often with a poor outcome in the latter. Our study set itself the objective to describe the epidemiological and histological aspects of solid cancers in children in Togo. MATERIALS AND METHODS: This descriptive, cross-sectional study focused on cases of solid cancers in children diagnosed from 2010 to 2014 (5 years) at the pathology laboratory of the Tokoin teaching hospital...
2016: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/26722054/a-five-year-survey-of-cancer-prevalence-in-sudan
#20
Mohamed E M Saeed, Jingming Cao, Babikir Fadul, Onat Kadioglu, Hassan E Khalid, Zahir Yassin, Siddig M Mustafa, Elfatih Saeed, Thomas Efferth
BACKGROUND: While cancer epidemiology is well-investigated in developed countries, the cancer burden in Africa is less well documented. We provide cancer statistics of 33,201 patients from all Sudan diagnosed at the Radiation and Isotope Centre in Khartoum (RICK). This hospital covers approximately 80% of patients with cancer in Sudan and is, therefore, considered representative for the situation in this country. MATERIALS AND METHODS: Data from 2009-2013 were collected at RICK...
January 2016: Anticancer Research
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