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Bone neoplasm

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https://www.readbyqxmd.com/read/28545150/total-hip-knee-arthroplasty-in-the-treatment-of-tumor-induced-osteomalacia-patients-more-than-1-year-follow-up
#1
Wei Zhu, Qi Ma, Yanyan Bian, Qianyu Zhuang, Zenan Xia, Jin Jin, Xisheng Weng
BACKGROUND: Tumor-induced osteomalacia (TIO) may result in a better prognosis after complete resection of the causative neoplasm. However, tumors located proximal to the articular surface of the metaphysis remain largely uninvestigated. METHODS: A retrospective study of sixteen patients was undertaken to evaluate treatment of tumors with joint arthroplasty and tumor resection. The bone metabolism index, hip/knee joint function, arthroplasty complications and symptoms were followed up for at least 12 months in each patient...
2017: PloS One
https://www.readbyqxmd.com/read/28542597/mir-193b-downregulated-in-ewing-sarcoma-targets-the-erbb4-oncogene-to-inhibit-anchorage-independent-growth
#2
Colin Moore, Janet K Parrish, Paul Jedlicka
Ewing Sarcoma is an aggressive, oncofusion-driven, malignant neoplasm of bone and soft tissue affecting predominantly children and young adults. Seeking to identify potential novel therapeutic targets/agents for this disease, our previous studies uncovered microRNAs regulated by EWS/Fli1, the most common oncofusion, with growth modulatory properties. In the present study, we sought to identify EWS/Fli1-repressed, growth suppressive, microRNAs potentially amenable to replacement in Ewing Sarcoma cells. Eight microRNAs (143, 153, 184, 193b, 195, 203, 206 and 223) were selected for evaluation as EWS/Fli1-repressed and underexpressed in Ewing Sarcoma cells, and reported to be growth suppressive in other pediatric or/and adult cancers...
2017: PloS One
https://www.readbyqxmd.com/read/28533926/concomitant-lymphoplasmacytic-lymphoma-and-plasma-cell-myeloma-a-diagnostic-challenge
#3
Ahmad T Mansour, Alaleh Esmaeili Shandiz, Michelle K Zimmerman, Trenton D Roth, Jiehao Zhou
BACKGROUND: Lymphoplasmacytic lymphoma and plasma cell myeloma are two B cell lymphoproliferative neoplasms derived from mature B-lymphocytes in different differentiation stages. The coexistence of these two tumors in the same patient is exceedingly rare and can be difficult to diagnose. CASE PRESENTATION: A 76-year-old male presented with a pathologic fracture after a fall. Radiography showed a lytic lesion in the pelvis. Serum immunofixation showed distinct IgM kappa and IgA kappa monoclonal protein bands...
2017: American Journal of Blood Research
https://www.readbyqxmd.com/read/28530210/-role-of-the-bone-marrow-derived-stem-cells-in-pancreatic-inflammatory-disorders
#4
EDITORIAL
Krzysztof Dąbkowski, Anna Łabędź-Masłowska, Ewa Zuba-Surma, Teresa Starzyńska
Various independent studies indicate involvement of different populations of bone marrow-derived stem cells in the process of tissue regeneration. In inflammatory disorders bone marrow stem cells are mobilized into peripherial blood and further to different organs, where they take part in tissue regeneration. Experimental studies have shown that bone marrow stem cells play a pivotal role in regeneration of endo and egzocrine pancreas and have a role in pathogenesis of pancreatitis, diabetes and pancreatic neoplasms...
April 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28525910/cutaneous-apocrine-carcinoma-with-an-in-situ-component-and-histiocytoid-and-signet-ring-cells
#5
Jérémie Berdugo, Vincent Dumont-Mackay, Sophie Brissy-Lachery, Yves E Leclerc, Josée Doyon, Andrew Mitchell, Tony Petrella, Delphine Désy
We present a case of cutaneous apocrine carcinoma arising in the axilla of a 71-year-old man. The tumor had a significant component of histiocytoid and signet-ring cells as well as in situ carcinoma within the apocrine glands. The cells expressed GATA3, gross cystic disease fluid protein 15, androgen receptor, and E-cadherin. Estrogen receptor, progesterone receptor, and human epidermal growth factor receptor 2 were negative. Clinical correlation was required to rule out a metastasis from the breast or the gastrointestinal tract...
June 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28523092/management-of-a-life-threatening-bleeding-following-extraction-of-deciduous-second-molar-related-to-a-capillary-haemangioma
#6
REVIEW
Amr Amin Ghanem, Yasser Nabil El Hadidi
Various forms of vascular lesion affect the head and neck region. The head and neck vascular lesions are classified into neoplasms and malformations. Neoplasm presents either as hemangioma or lymphangioma; neoplasm usually presents in young age compared with vascular malformation. A 9-year-old female patient presented to the outpatient clinic referred from the department of pedodontics after extraction of a right mandibular second deciduous molar. Extraction was done by dental GP in outpatient clinic. Massive bleeding followed the extraction...
June 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28518222/the-effect-of-initial-molecular-profile-on-response-to-recombinant-interferon-%C3%AE-rifn%C3%AE-treatment-in-early-myelofibrosis
#7
Richard T Silver, Ariella C Barel, Elena Lascu, Ellen K Ritchie, Gail J Roboz, Paul J Christos, Attilio Orazi, Duane C Hassane, Wayne Tam, Nicholas C P Cross
BACKGROUND: Although recombinant interferon-α (rIFNα) effectively treats patients with early myelofibrosis, the effect of driver and high molecular risk (HMR) mutations has not been considered. In this phase 2 study, for the first time, the authors correlate response to rIFNα treatment with driver and HMR mutations. METHODS: Patients were diagnosed using World Health Organization or International Working Group for Myeloproliferative Neoplasms Research and Treatment criteria...
May 18, 2017: Cancer
https://www.readbyqxmd.com/read/28515597/tibial-periosteal-ganglion-cyst-the-ganglion-in-disguise
#8
Anjuna Reghunath, Mahesh K Mittal, Geetika Khanna, V Anil
Soft tissue ganglions are commonly encountered cystic lesions around the wrist presumed to arise from myxomatous degeneration of periarticular connective tissue. Lesions with similar pathology in subchondral location close to joints, and often simulating a geode, is the less common entity called intraosseous ganglion. Rarer still is a lesion produced by mucoid degeneration and cyst formation of the periostium of long bones, rightly called the periosteal ganglion. They are mostly found in the lower extremities at the region of pes anserinus, typically limited to the periosteum and outer cortex without any intramedullary component...
January 2017: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/28513313/odontogenic-fibromyxoma-in-a-cat-first-confirmed-case-in-this-species
#9
Kristin I Scott, Colin E Harvey, James G Anthony, Roy Pool
An inflammatory gingival mass surrounding resorbing teeth was diagnosed via biopsy in a 9-year-old domestic shorthair cat. A dorsal rim excision was performed to remove the entire mass with associated teeth and bone. Histopathological diagnosis of the en bloc tissue revealed an odontogenic fibromyxoma. Extensive literature review revealed few case reports of companion animals with this neoplasm, and none in a feline patient. This report documents the clinical presentation, diagnostic differentials, surgical therapy, and long-term follow-up of an odontogenic fibromyxoma in a cat...
March 2017: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28512190/hematopoietic-origin-of-langerhans-cell-histiocytosis-and-erdheim-chester-disease-in-adults
#10
Paul Milne, Venetia Bigley, Chris M Bacon, Antoine Néel, Naomi McGovern, Simon Bomken, Muzlifah Haniffa, Eli L Diamond, Benjamin H Durham, Johannes Visser, David Hunt, Harsha Gunawardena, Mac Macheta, Kenneth L McClain, Carl Allen, Omar Abdel-Wahab, Matthew Collin
Langerhans cell histiocytosis (LCH) and Erdheim Chester Disease (ECD) are rare histiocytic disorders induced by somatic mutation of MAP kinase pathway genes. BRAF(V600E) mutation is the most common mutation in both conditions and also occurs in the hematopoietic neoplasm hairy cell leukemia (HCL). It is not known if adult LCH or ECD arise from hematopoietic stem cells (HSC) nor which potential blood borne precursors lead to the formation of histiocytic lesions. In this study, BRAF V600E allele-specific PCR was used to map the neoplastic clone in 20 adults with LCH ECD and HCL...
May 16, 2017: Blood
https://www.readbyqxmd.com/read/28508997/fibromyxoma-of-the-jaw-case-report-and-review-of-the-literature
#11
Thabet Alhousami, Amarpreet Sabharwal, Shivane Gupta, Alfredo Aguirre, Etern Park, Jill M Kramer
We report a case of fibromyxoma of the mandible, a rare benign odontogenic tumor. Our patient presented in the first trimester of pregnancy with a large mass in the right body of the mandible exhibiting displacement of teeth and destruction of an extensive area of the mandibular bone. The mass was biopsied and diagnosed as a fibromyxoma. The large size of the tumor dictated a wide mandibular resection. We will review the clinical, radiographic, and histologic features of fibromyxoma and discuss its differential diagnoses...
May 16, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28503336/plasmacytoma-as-a-mimicker-of-colonic-carcinoma-in-an-elderly-man
#12
Sara Mathew George, Eman Ali Aljufairi, Nisha Chandran, Sayed Ali Isa Almahari
Multiple myeloma is a neoplastic proliferation of monoclonal plasma cells. Although it is usually restricted to the bone marrow, extraskeletal spread in the form of localised extramedullary collections of malignant plasma cells (plasmacytomas) can occur. However, gastrointestinal tract involvement in multiple myeloma is rare and overt gastrointestinal bleeding from plasmacytoma is uncommon. We report a case of colonic plasmacytoma which presented with bleeding per rectum and was initially misdiagnosed as colonic neuroendocrine carcinoma...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28502876/novel-strategy-in-giant-cutaneous-squamous-cell-carcinoma-treatment-the-case-experience-in-a-combination-of-photodynamic-therapy-and-surgery
#13
Wenbo Bu, Yan Wang, Xu Chen, Fang Fang
Case A 90-year-old Chinese man presented to our hospital with a one-year history of a large neoplasm on his right cheek (figure). The patient did not have subjective symptoms but emitted an obvious stench. However, the patient has significant embarrassment and difficult on social interaction due to abnormal appearance and foul smell from lesion. A clinical examination showed that the tumor size was 7cm * 6.5cm * 1.5cm. An X-ray examination showed that the deep tumor was not associated with any bone destruction...
May 11, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28502479/megakaryocytes-in-myeloproliferative-neoplasms-have-unique-somatic-mutations
#14
Belinda B Guo, Richard J Allcock, Bob Mirzai, Jacques A Malherbe, Fizzah A Choudry, Mattia Frontini, Hun Chuah, James Liang, Simon E Kavanagh, Rebecca Howman, Willem H Ouwehand, Kathryn A Fuller, Wendy N Erber
Myeloproliferative neoplasms (MPNs) are a group of related clonal hemopoietic stem cell disorders associated with hyperproliferation of myeloid cells. They are driven by mutations in the hemopoietic stem cell, most notably JAK2(V617F), CALR, and MPL. Clinically, they have the propensity to progress to myelofibrosis and transform to acute myeloid leukemia. Megakaryocytic hyperplasia with abnormal features are characteristic, and it is thought that these cells stimulate and drive fibrotic progression. The biological defects underpinning this remain to be explained...
May 11, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28499938/allogeneic-stem-cell-transplantation-in-myelofibrosis
#15
REVIEW
Tania Jain, Ruben A Mesa, Jeanne M Palmer
Myeloproliferative neoplasm is a category in the World Health Organization classification of myeloid tumors. BCR-ABL1-negative MPN is a subcategory that includes primary myelofibrosis (MF), post-essential thrombocythemia MF, and post-polycythemia vera MF. These disorders are characterized by stem cell-derived clonal myeloproliferation. Clinically, these diseases present with anemia and splenomegaly, as well as significant constitutional symptoms, such as severe fatigue, symptoms associated with an enlarged spleen and liver, pruritus, fevers, night sweats, and bone pain...
May 9, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28496965/malt-lymphoma-of-minor-salivary-glands-in-a-sj%C3%A3-gren-s-syndrome-patient-a-case-report-and-review-of-literature
#16
Savvas Titsinides, Nikolaos Nikitakis, Evangelia Piperi, Alexandra Sklavounou
BACKGROUND: Sjögren's syndrome is a chronic systemic disease, characterized by lymphocytic infiltration and destruction mainly of the salivary and lacrimal glands, resulting in xerostomia and xeropthalmia. Sjögren's syndrome patients have a 44-fold excess risk for the development of non-Hodgkin's lymphoma particularly mucosa-associated lymphoid tissue (MALT) lymphoma, prevalently affecting the major salivary glands. In this report, a rare case of MALT lymphoma of minor salivary glands in a patient with Sjögren's syndrome is described...
January 2017: Journal of Oral & Maxillofacial Research
https://www.readbyqxmd.com/read/28495918/bone-marrow-morphology-is-a-strong-discriminator-between-chronic-eosinophilic-leukemia-not-otherwise-specified-from-reactive-idiopathic-hypereosinophilic-syndrome
#17
Sa A Wang, Robert P Hasserjian, Wayne Tam, Albert G Tsai, Julia T Geyer, Tracy I George, Kathryn Foucar, Heesun J Rogers, Eric D Hsi, Bryan A Rea, Adam Bagg, Carlos Bueso-Ramos C, Daniel A Arber, Srdan Verstovsek, Attilio Orazi
Chronic eosinophilic leukemia, not otherwise specified can be difficult to distinguish from idiopathic hypereosinophilic syndrome according to the current World Health Organization guideline. To examine if BM morphological features might aid in the differential diagnosis of these two entities, we studied a total of 139 patients with a diagnosis of chronic eosinophilic leukemia, not otherwise specified (n=17) or idiopathic hypereosinophilic syndrome (n=122). As a group, abnormal BM morphological features, resembling myelodysplastic syndromes, myeloproliferative neoplasm or myelodysplastic/myeloproliferative neoplasm were identified in 40/139 (27%) patients, 16(94%) chronic eosinophilic leukemia and 24 (20%) hypereosinophilic syndrome...
May 11, 2017: Haematologica
https://www.readbyqxmd.com/read/28494796/a-malignant-solitary-fibrous-tumour-arising-from-the-first-lumbar-vertebra-and-mimicking-an-osteosarcoma-a-case-report
#18
Naoki Oike, Hiroyuki Kawashima, Akira Ogose, Tetsuo Hotta, Toru Hirano, Takashi Ariizumi, Tetsuro Yamagishi, Hajime Umezu, Shoichi Inagawa, Naoto Endo
BACKGROUND: A solitary fibrous tumour (SFT) is an unusual neoplasm typically found in soft tissues. Although SFTs can arise in the bones, they very rarely arise in the vertebral arch. Here, we describe a case of a SFT that arose in the vertebral arch of the first lumbar (L1) spinal vertebrae and mimicked osteosarcoma. CASE PRESENTATION: A 49-year-old woman presented with a 2-month history of lower back pain and a lumbar region mass. Magnetic resonance imaging demonstrated a heterogeneously enhanced mass in the L1 vertebral arch...
May 11, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28493835/expression-and-release-of-glucose-regulated-protein-78-grp78-in-multiple-myeloma
#19
Normann Steiner, Bojana Borjan, Roman Hajek, Karin Jöhrer, Georg Göbel, Wolfgang Willenbacher, Johann Kern, Eberhard Gunsilius, Gerold Untergasser
INTRODUCTION: Multiple myeloma (MM) is a plasma cell neoplasm that is mostly incurable due to acquired resistance during the treatment course. Thus, we evaluated expression and release of glucose-regulated protein 78 kDa (GRP78/BiP), an endoplasmic reticulum (ER) based pro-survival chaperone involved in immunoglobulin folding and unfolded protein responses. RESULTS: GRP78 protein expression in the ER and on the cell surface did not significantly differ between MGUS, NDMM and RRMM patients although there was a trend to higher surface expression in RRMM...
April 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28491156/primary-lung-carcinoid-metastatic-to-the-breast
#20
Marianna Zagurovskaya, Karen Tran-Harding, Richard Gibbs
Lung carcinoid tumors account for approximately 2% of lung cancers, with 10% of the tumors represented by the atypical type. While atypical carcinoids are metastatic to intrathoracic lymph nodes in approximately half of the cases on the initial presentation, distant metastases are seen in only 20% of the patients and are found most frequently in bones, liver, adrenal glands, and brain. We present a case of an unusual metastatic disease to the breast in 51-year-old female who developed a new breast mass 2 years after left lower lobectomy due to atypical carcinoid tumor...
June 2017: Radiology case reports
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