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https://www.readbyqxmd.com/read/28743673/genomic-landscape-of-copy-number-variation-and-copy-neutral-loss-of-heterozygosity-events-in-equine-sarcoids-reveals-increased-instability-of-the-sarcoid-genome
#1
Klaudia Pawlina, Artur Gurgul, Tomasz Szmatoła, Katarzyna Ropka-Molik, Ewelina Semik, Jolanta Klukowska-Rötzler, Christoph Koch, Kathrin Mählmann, Monika Bugno-Poniewierska
Although they are the most common neoplasms in equids, sarcoids are not fully characterized at the molecular level. Therefore, the objective of this study was to characterize the landscape of structural rearrangements, such as copy number variation (CNV) and copy neutral loss of heterozygosity (cnLOH), in the genomes of sarcoid tumor cells. This information will not only broaden our understanding of the characteristics of this genome but will also improve the general knowledge of this tumor and the mechanisms involved in its generation...
July 22, 2017: Biochimie
https://www.readbyqxmd.com/read/28735916/morbidity-and-mortality-of-middle-aged-and-elderly-narcoleptics
#2
Poul Jennum, Eva Wiberg Thorstensen, Line Pickering, Rikke Ibsen, Jakob Kjellberg
OBJECTIVES: The objective of the study was to evaluate the morbidities and mortality in a national group of middle-aged and elderly narcolepsy patients before and after the first diagnosis of the condition. METHODS: From the Danish National Patient Registry (NPR), 1174 patients (45.1% males) aged 20-59 years and 339 patients (44.8% males) aged 60+ who received a diagnosis of narcolepsy between 1998 and 2014 were compared, respectively, with 4716 and 1353 control citizens matched for age, gender and geography, who were randomly chosen from the Danish Civil Registration System Statistics...
August 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28732551/novel-additions-to-the-ajcc-s-new-staging-systems-for-skin-cancer
#3
J Cañueto, C Román-Curto
The eighth edition of the staging manual of the American Joint Committee on Cancer incorporates important changes in the classification of skin cancers. Coming 40 years after the first edition, the latest manual preserves its specific system for Merkel cell carcinoma and takes into account recent publications on the prognosis of squamous cell carcinoma by defining a completely new T category for this neoplasm. Staging for squamous cell carcinoma considers head and neck tumors (excluding the eyelid) and does not offer solutions for other sites except the vulva, penis, and perianal region...
July 18, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28730246/spontaneous-cholecystocutaneous-fistula-as-a-primary-manifestation-of-gallbladder-adenocarcinoma-associated-with-gallbladder-lithiasis-case-report
#4
Bogdan Vasile Micu, Octavian Aurel Andercou, Carmen Maria Micu, Valentin Militaru, IonuŢ Isaia Jeican, Cătălina Ileana Bungărdean, Stelian ŞtefăniŢă Mogoantă, Dan Radu Miclăuş, Tudor Radu Pop
Spontaneous cholecystocutaneous fistula (SCF) is a rare complication of neglected calculous biliary disease and also an extremely rare complication of gallbladder neoplasm. This pathology has become even rarer because of prompt diagnosis and expedient surgical intervention for gallstones. So far, there is one published report of a SCF due to gallbladder adenocarcinoma. We present the case of a woman aged 87 years, admitted to the Vth Department of Surgery, Clinical Municipal Hospital of Cluj-Napoca (Romania) for a tumoral mass located in the epigastrium...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28725131/oral-kaposi-sarcoma-in-hiv-seronegative-saudi-patient-literature-review-and-case-report
#5
Asmaa Faden, Manal AlSheddi, Mohammed AlKindi, Lama Alabdulaaly
Kaposi Sarcoma (KS) is an intermediate neoplasm affecting the endothelial cells of mucous membranes and skin. It arises most commonly among HIV-infected individuals. We present an intra-oral KS in an 80-year-old Saudi male patient, who is HIV-seronegative, non-immunosuppressed, and with no history of organ transplantation. The patient was treated with fractionated radiation therapy, and had no recurrence in the 48 months of follow-up. The clinical disease, histologic features, and treatment modality used, as well as the relative literature are presented in this paper...
July 2017: Saudi Dental Journal
https://www.readbyqxmd.com/read/28724275/a-case-report-of-paraneoplastic-pemphigus-associated-with-retroperitoneal-inflammatory-myofibroblastic-tumor
#6
Kamran Balighi, Arghavan Azizpour, Ali Sadeghinia, Vahide Saeidi
Paraneoplastic pemphigus (PNP) is an autoimmune bullous disease associated with underlying neoplasms, both malignant and benign. The most constant clinical presentation of PNP is the presence of intractable stomatitis. Herein we present a 25-year-old male with a 3-month history of refractory stomatitis especially involving the lips and widespread vesiculobullous eruption on his trunk and extremities. The diagnosis of PNP was confirmed based on histological and serological results. Investigation for the underlying neoplasm revealed a retroperitoneal tumorous mass which was biopsied and diagnosed as the inflammatory myofibroblastic tumor (IMT)...
May 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28718071/cancer-survival-in-adult-patients-in-spain-results-from-nine-population-based-cancer-registries
#7
M D Chirlaque, D Salmerón, J Galceran, A Ameijide, A Mateos, A Torrella, R Jiménez, N Larrañaga, R Marcos-Gragera, E Ardanaz, M Sant, P Minicozzi, C Navarro, M J Sánchez
INTRODUCTION: With the aim of providing cancer control indicators, this work presents cancer survival in adult (≥15 years) patients in Spain diagnosed during the period 2000-2007 from Spanish cancer registries participating in the EUROCARE project. METHODS: Cancer cases from nine Spanish population-based cancer registries were included and analysed as a whole. All primary malignant neoplasms diagnosed in adult patients were eligible for the analysis. Cancer patients were followed until 31 December 2008...
July 17, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28712661/managing-incidentalomas-safely-do-computed-tomography-requisitions-tell-us-what-we-need-to-know
#8
Matthew Walker, Joy Borgaonkar, Daria Manos
PURPOSE: Technological advancements and the ever-increasing use of computed tomography (CT) have greatly increased the detection of incidental findings, including tiny pulmonary nodules. The management of many "incidentalomas" is significantly influenced by a patient's history of cancer. The study aim is to determine if CT requisitions include prior history of malignancy. METHODS: Requisitions for chest CTs performed at our adult tertiary care hospital during April 2012 were compared to a cancer history questionnaire, administered to patients at the time of CT scan...
July 13, 2017: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/28710797/surgical-treatment-associated-with-improved-survival-in-patients-with-cutaneous-angiosarcoma
#9
O Trofymenko, C Curiel-Lewandrowski
Cutaneous angiosarcoma is a rare aggressive vasoformative neoplasm of the skin with a poor prognosis.(1) The neoplasm preferentially involves areas of head and neck and usually diagnosed in advanced stage.(1, 2) The neoplasm accounts for only 2% of soft-tissue sarcomas in the U.S. and most often affects elderly white males, patients treated with radiation, and individuals with certain chronic lymphatic disorders.(3) Surgery with or without adjuvant or neoadjuvant radiation therapy (RT) is considered the mainstay of therapy...
July 14, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28710231/tuberin-regulates-prostaglandin-receptor-mediated-viability-via-rheb-in-mtorc1-hyperactive-cells
#10
Chenggang Li, Xiaolei Liu, Yang Liu, Erik Zhang, Kantha Medepalli, Kohei Masuda, Na Li, Elizabeth J Kopras, David J Kwiatkowski, Michael T Borchers, Kathryn A Wikenheiser-Brokamp, Andrew Osterburg, Maxwell Mays, Yang Sun, David R Plas, Julia L Sun, David N Franz, Jamie K Capal, Anya Alayev, Marina K Holz, Darcy A Krueger, Brian J Siroky, Jane J Yu
Tuberous sclerosis complex (TSC) is a tumor suppressor syndrome affecting multiple organs, including the brain, skin, kidneys, heart, and lungs. TSC is associated with mutations in TSC1 or TSC2 resulting in hyperactivation of mechanistic target of rapamycin complex 1 (mTORC1). Clinical trials demonstrate that mTORC1 inhibitors decrease tumor volume and stabilize lung function in TSC patients; however, mTOR inhibitors are cytostatic not cytocidal, and long-term benefits and toxicities are uncertain. Previously, we identified rapamycin-insensitive upregulation of cyclooxygenase 2 (PTGS2/COX2) and prostaglandin E2 (PGE2) production in TSC2-deficient cells and postulate that the action of excess PGE2 and its cognate receptors (EPs) contribute to cell survival...
July 14, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28708250/cutaneous-syncytial-myoepithelioma-a-recently-described-neoplasm-which-may-mimic-nevoid-melanoma-and-epithelioid-sarcoma
#11
Ahmed K Alomari, Noah Brown, Aleodor Andea, Bryan L Betz, Rajiv M Patel
Myoepithelial cells possess dual immunohistochemical and ultrastructural features of smooth muscle cells and epithelial cells and are capable of divergent differentiation (1). As such, benign and malignant tumors of myoepithelial cells show a spectrum of morphologies and have been reported in a variety of anatomic locations, including but not limited to, the breast, larynx, soft tissues, salivary glands and more recently the skin (2-6).
July 14, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28699668/poems-syndrome-2017-update-on-diagnosis-risk-stratification-and-management
#12
Angela Dispenzieri
DISEASE OVERVIEW: POEMS syndrome is a paraneoplastic syndrome due to an underlying plasma cell neoplasm. The major criteria for the syndrome are polyradiculoneuropathy, clonal plasma cell disorder (PCD), sclerotic bone lesions, elevated vascular endothelial growth factor, and the presence of Castleman disease. Minor features include organomegaly, endocrinopathy, characteristic skin changes, papilledema, extravascular volume overload, and thrombocytosis. Diagnoses are often delayed because the syndrome is rare and can be mistaken for other neurologic disorders, most commonly chronic inflammatory demyelinating polyradiculoneuropathy...
August 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28698815/glomangioma-of-the-kidney-a-rare-case-of-glomus-tumor-and-review-of-the-literature
#13
Ammar Almaghrabi, Nizar Almaghrabi, Haneen Al-Maghrabi
BACKGROUND: Glomus tumors are rare mesenchymal tumors originating from glomus bodies in the skin. Glomus tumors of the kidney are rare tumors and only a few cases have been reported in the medical literature. An extensive search revealed a very limited number of primary renal glomus tumors. Although most of these cases were benign in nature, including a case with uncertain diagnosis of malignant potential, two were malignant. CASE REPORT: We present a unique case of a 57-year-old male patient with an incidentally discovered 2 cm left renal mass...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28696052/dermoscopic-and-reflectance-confocal-microscopy-features-of-cutaneous-squamous-cell-carcinoma
#14
Marco Manfredini, Caterina Longo, Ferrari Barbara, Simonetta Piana, Elisa Benati, Alice Casari, Giovanni Pellacani, Elvira Moscarella
BACKGROUND: Squamous cell carcinoma (SCC) of the skin is a highly prevalent neoplasm. The management and the prognosis of this tumor is dependent on its invasiveness and its grade of differentiation. OBJECTIVES: To evaluate whether specific dermoscopic and reflectance confocal microscopy (RCM) criteria can predict the diagnosis of invasive SCC vs in situ SCC and poorly differentiated compared with well- and moderately differentiated SCC. METHODS: Dermoscopic and RCM images of SCCs were retrospectively evaluated for the presence of predefined criteria...
July 11, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28695430/birt-hogg-dub%C3%A3-syndrome-a-review-of-dermatological-manifestations-and-other-symptoms
#15
REVIEW
Yun Tong, Jeremy A Schneider, Alvin B Coda, Tissa R Hata, Philip R Cohen
Birt-Hogg-Dubé syndrome (BHD) is an autosomal dominant genodermatosis with malignant potential characterized by cutaneous and extracutaneous stigmata. Aberrations in the folliculin (FLCN) gene, which is located on chromosome 17, have been discovered in individuals with this condition. Over 150 unique mutations have been identified in BHD. The skin lesions associated with this condition include fibrofolliculomas, trichodiscomas, perifollicular fibromas, and acrochordons. Extracutaneous features of the syndrome typically include the lung (spontaneous pneumothorax and cysts) and the kidney (neoplasms)...
July 10, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28692322/the-use-of-lasers-in-the-treatment-of-skin-cancer-a-review
#16
Fatima N Mirza, Khalil A Khatri
BACKGROUND: In considering skin cancer, a number of factors - including effectiveness, simplicity of treatment, cost, and aesthetic outcomes - are important to ensure patient satisfaction. There are several existing interventions, such as electrodessication and curettage, excision, Mohs surgery, radiation therapy, cryotherapy, and topical/oral treatments. Laser therapy has emerged as a new promising alternative that should be explored. OBJECTIVE: To review the dermatologic literature on the use of laser therapy in the treatment of skin cancer...
July 10, 2017: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/28681210/sebaceous-carcinoma-a-review-of-the-scientific-literature
#17
REVIEW
Thomas Knackstedt, Faramarz H Samie
Sebaceous carcinoma is a rare and potentially aggressive cutaneous malignancy. Commonly reported in the periocular area and the head and neck region, sebaceous carcinoma can arise from any sebaceous gland in the skin. The clinical presentation may be nonspecific, and a biopsy is important to establish a diagnosis and to differentiate from mimickers including benign sebaceous neoplasms, other adnexal tumors, and basal cell carcinoma. A diagnosis of Muir Torre syndrome should be considered in patients presenting with a sebaceous neoplasm...
August 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/28678573/is-ultrasound-useful-for-further-evaluation-of-homogeneously-hyperattenuating-renal-lesions-detected-on-ct
#18
Mahadevaswamy Siddaiah, Satheesh Krishna, Matthew D F McInnes, Jeffrey S Quon, Wael M Shabana, Demetri Papadatos, Nicola Schieda
OBJECTIVE: The purpose of this study was to evaluate the ability of ultrasound (US) to characterize hyperattenuating cysts detected as indeterminate hyperattenuating renal lesions on unenhanced and single phase enhanced CT. MATERIALS AND METHODS: A total of 107 consecutive homogeneously hyperattenuating renal lesions underwent gray-scale and Doppler US at our institution between 2010 and 2013. Two radiologists who were unaware of the final diagnosis retrospectively evaluated US images for visibility and diagnosis (simple cyst, intermediate complexity cyst, cystic or solid mass showing internal flow on Doppler US, or indeterminate)...
July 5, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28676883/dermoscopy-confocal-microscopy-and-other-non-invasive-tools-for-the-diagnosis-of-non-melanoma-skin-cancers-and-other-skin-conditions
#19
Josep Malvehy, Giovanni Pellacani
Non-melanoma skin cancer (NMSC), including basal cell and squamous cell carcinomas, is the most common form of neoplasm. The incidence of NMSC is increasing worldwide. The cure rate is high with early detection and appropriate treatment. Visual examination is the first screening tool used by clinicians, but it is sometimes not sufficient to discriminate benign from malignant lesions. Skin biopsy with histopathology is the gold standard for differential diagnosis; however, this procedure is invasive and occasionally painful...
July 5, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28670078/b-lymphoblastic-lymphoma-of-the-rectum
#20
Puthillathu Unnikrishnan, Geetha Narayanan, Bhavya S Kumar, Nandini Devi
Lymphoblastic lymphoma is a neoplasm of immature cells committed to the B-cell or T-cell lineage. B-lymphoblastic lymphoma usually involves lymph nodes and extranodal sites, such as the skin, bone, and soft tissue. The rectum is a very rare site of involvement in B-lymphoblastic lymphoma. We describe a 26-year-old man who presented with bleeding per rectum and fecal incontinence. Endoscopy showed a large nodular friable lesion narrowing the entire rectal lumen. Biopsy was diagnostic of B-lymphoblastic lymphoma...
July 2017: Proceedings of the Baylor University Medical Center
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