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Myeloid sarcoma

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https://www.readbyqxmd.com/read/27920690/adaptive-radiotherapy-for-an-uncommon-chloroma
#1
Soufya Majdoul, Laurianne Colson-Durand, Nu Hanh To, Yazid Belkacemi
Granulocytic sarcomas, also referred to as chloromas or myeloid sarcomas, are extramedullary neoplasms that are composed of immature myeloid cells. This uncommon disease is known to be radiosensitive. However, the total dose and dose per fraction are not standardized. In addition, during the course of radiation therapy, significant reduction of the tumor is usually obtained. Thus, target volume reduction may require an intermediate radiotherapy plan evaluation for an adaptive treatment. A second plan at mid-dose is highly recommended...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/27913051/erg-expression-in-multiple-myeloma-a-potential-diagnostic-pitfall
#2
Juliana Knief, Katharina Reddemann, Jan Gliemroth, Swantje Brede, Tobias Bartscht, Christoph Thorns
INTRODUCTION: ERG expression has been described as a frequent event in prostate cancer indicating poor prognosis and promoting oncogenesis. It has also been demonstrated in Ewing's sarcoma, acute myeloid leukemia and acute T-lymphoblastic leukemia but could not be found in other epithelial tumors, Hodgkin's or Non-Hodgkin's lymphoma. We aimed to analyze ERG expression in multiple myeloma, following an index case of a patient with metastases of unknown origin in the spine strongly expressing ERG, which were thought to be of prostatic origin but turned out to be plasmacytic lesions...
November 3, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/27819854/re-fdg-pet-ct-findings-of-intracardiac-myeloid-sarcoma
#3
Kamal Kant Sahu, Archana Gautam, Sikander Ailawadhi
No abstract text is available yet for this article.
November 4, 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27805558/-granulocytic-sarcoma-two-cases-with-lymph-node-presentation
#4
Maria Paula Russo, Diego Andresik, M Agustina Perusini
Two cases of granulocytic sarcoma (GS) with lymph node presentation without marrow involvement are presented because it is a rare presentation of acute myeloid leukemia (AML) that can coexist with or precede it and as initial symptom (case 1) or disease relapse (case 2). The most common differential diagnoses are lymphoma or solid tumor. Biopsy is essential for definitive diagnosis. Imaging studies such as positron emission tomography (PET) are very useful for staging and monitoring. The prognosis and treatment according to the literature is not different from AML...
2016: Revista de la Facultad de Ciencias Médicas
https://www.readbyqxmd.com/read/27773146/hepatic-myeloid-sarcoma-diagnosed-at-autopsy-a-case-report
#5
Sean Ricciardo, Ian Simpson
No abstract text is available yet for this article.
February 2016: Pathology
https://www.readbyqxmd.com/read/27765685/2-3-7-8-tetrachlorodibenzo-p-dioxin-tcdd-role-in-hematopoiesis-and-in-hematologic-diseases-a-critical-review
#6
REVIEW
Nicola Stefano Fracchiolla, Claudio Annaloro, Francesca Guidotti, Bruno Fattizzo, Agostino Cortelezzi
Dioxin exposure and its effect on hematopoiesis and cancer have been largely investigated in both human and non-human settings. Here we systematically reviewed literature to address the question of what we know about TCDD biology and exposure. Most effects are due to TCDD interaction with a receptor of xenobiotics called AHR, which is ubiquitously represented and also works on hematopoietic myeloid and lymphoid stem cells, inducing proliferation and stem cell release from bone marrow to peripheral circulation...
October 17, 2016: Toxicology
https://www.readbyqxmd.com/read/27721621/primary-intraoral-granulocytic-sarcoma-a-rare-case-presenting-as-generalized-gingival-enlargement
#7
Thayalan Dineshkumar, Vemuri Suresh, Ramadas Ramya, Krishnan Rajkumar
Granulocytic sarcoma (GS) is an extremely rare condition involving infiltration of myeloblasts or immature myeloid cells in an extramedullary site. It is also known as chloroma, myeloid sarcoma or extramedullary myeloid tumor. It usually occurs concomitantly with acute myelogenous leukemia or with the onset of blastic phase of chronic myelogenous leukemia. On rare occasions, it evolves even before the onset of leukemias, and when it precedes leukemias without any overt signs, it is referred to as the primary type...
September 2016: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/27698857/immunohistochemical-patterns-in-the-differential-diagnosis-of-rhinopharyngeal-granulocytic-sarcoma
#8
Elena Cantone, Michele Cavaliere, Antonella Miriam Di Lullo, Elia Guadagno, Maurizio Iengo
Granulocytic sarcoma (GS) is a rare extramedullary manifestation of acute myeloid leukemia (AML). GS may develop simultaneously to AML or as a relapse of leukemia, particularly following allogeneic hematopoietic stem cell transplant. Subperiosteal bone, lymph nodes and skin are commonly involved, whereas rhinopharyngeal involvement is less common, with only 14 cases reported in the literature. Due to its rarity, rhinopharyngeal GS may lead to diagnostic pitfalls, particularly when it is poorly differentiated or is without concomitant marrow involvement...
October 2016: Oncology Letters
https://www.readbyqxmd.com/read/27680030/gonadal-function-in-boys-with-newly-diagnosed-cancer-before-the-start-of-treatment
#9
Kiki M G J Wigny, Wendy van Dorp, Anne-Lotte L F van der Kooi, Yolanda B de Rijke, Andrica C H de Vries, Marij Smit, Saskia M F Pluijm, Erica L T van den Akker, Rob Pieters, Joop S E Laven, Marry M van den Heuvel-Eibrink
STUDY QUESTION: Are Inhibin B and testosterone levels reduced in boys with newly diagnosed cancer prior to therapy? SUMMARY ANSWER: Pretreatment serum levels of Inhibin B and testosterone are significantly reduced in boys with newly diagnosed cancer, compared to reference values. WHAT IS ALREADY KNOWN: Disease-related gonadal impairment has been demonstrated in girls and young women diagnosed with cancer, prior to therapy. STUDY DESIGN, SIZE, DURATION: We conducted a descriptive study in boys newly diagnosed with cancer between January 2006 and February 2014...
November 2016: Human Reproduction
https://www.readbyqxmd.com/read/27659839/detection-of-clonal-heterogeneity-and-targetable-mutations-in-myeloid-sarcoma-by-high-throughput-sequencing
#10
Cedric Pastoret, Roch Houot, Francisco Llamas-Gutierrez, Marie-Laure Boulland, Tony Marchand, Patrick Tas, Beatrice Ly-Sunnaram, Virginie Gandemer, Thierry Lamy, Mikael Roussel, Thierry Fest
No abstract text is available yet for this article.
September 23, 2016: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/27646584/a-case-of-myeloid-sarcoma-of-intestine
#11
Sung Won Lim, Hang Lak Lee, Kang Nyeong Lee, Dae Won Jun, In Young Kim, Eunjin Kim, Hyein Ahn, Chan Kum Park
Myeloid sarcoma (MS) is an extramedullary involvement of immature myeloid proliferation. An isolated MS is defined as a myeloblastic tumor when it arises without any concomitant circulating disease. A diagnosis of MS is established using pathologic features including infiltration of myeloblasts and strong myeloperoxidase expression with negative cytokeratin immunohistochemical staining. We report a rare case of colonic MS without any peripheral blood abnormality. If the affected patient were left untreated, the MS could evolve into acute myeloid leukemia (AML) within one year...
September 25, 2016: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/27631510/clinicopathological-cytogenetic-and-prognostic-analysis-of-131-myeloid-sarcoma-patients
#12
Keisuke Kawamoto, Hiroaki Miyoshi, Noriaki Yoshida, Jun Takizawa, Hirohito Sone, Koichi Ohshima
Myeloid sarcoma (MS) is an extramedullary tumor of immature myeloid cells. We analyzed 131 patients with MS, including: (1) de novo MS; (2) MS with concomitant acute myeloid leukemia (AML); (3) MS following myelodysplastic syndrome, myeloproliferative neoplasm, or chronic myelogenous leukemia; and (4) MS as a recurrence of AML. The most common development site was the lymph node. Testicular lesions were statistically more frequent in MS as a recurrence of AML than in other types of MS (P=0.0183). MS tended to lack myeloid markers (myeloperoxidase was present in 63...
November 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27627705/ewsr1-elf5-induces-acute-myeloid-leukemia-by-inhibiting-p53-p21-pathway
#13
Akifumi Endo, Daisuke Tomizawa, Yuki Aoki, Tomohiro Morio, Shuki Mizutani, Masatoshi Takagi
The Ewing sarcoma breakpoint region 1 (EWSR1) gene is known to fuse with various partner genes to promote the development of the Ewing sarcoma family of tumors and other sarcomas. In contrast, the association of EWSR1 chimeric fusion genes with leukemia has been rarely reported. We identified a novel EWSR1 associated chimeric fusion gene in a patient with acute myeloid leukemia (AML) harboring 46, XY, t (11; 22) (p13; q12) karyotype abnormality. The patient was refractory to intensified chemotherapy including hematopoietic stem cell transplantation...
September 14, 2016: Cancer Science
https://www.readbyqxmd.com/read/27608697/acute-myeloid-leukemia-presenting-as-intracerebral-granulocytic-sarcoma
#14
E Dhandapani, Thirumavalavan, Sowrirajan
The CNS involvement of acute myeloid leukemia (AML) is more commonly manifest as meningeal involvement. Rarely it may present as intravascular tumor aggregates called granulocytic sarcoma which presents as intracranial hemorrhage. We are presenting a case of intracranial, intra-parenchymal granulocytic sarcoma (other names: chloroma, extramedullary myeloblastoma), presenting as acute hemiplegia without cerebral hemorrhage.
October 2015: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27608549/adaptive-immunity-in-fibrosarcomatous-dermatofibrosarcoma-protuberans-and-response-to-imatinib-treatment
#15
Marcella Tazzari, Valentina Indio, Barbara Vergani, Loris De Cecco, Francesca Rini, Tiziana Negri, Chiara Camisaschi, Marco Fiore, Silvia Stacchiotti, G Paolo Dagrada, Paolo G Casali, Alessandro Gronchi, Annalisa Astolfi, Maria A Pantaleo, Antonello Villa, Claudia Lombardo, Flavio Arienti, Silvana Pilotti, Licia Rivoltini, Chiara Castelli
Dermatofibrosarcoma protuberans (DFSP), although rare, is the most frequent skin sarcoma. Here, we focus on DFSP carrying the fibrosarcomatous transformation (FS-DFSP). FS-DFSP responds to imatinib (IM); however, tumor relapse often occurs. In a series of 21 pre- and post-treatment FS-DFSP samples, the present study explored the events that occur at the tumor site during IM therapy. Gene expression profile (GEP) and immunohistochemistry (IHC) analyses documented the occurrence of IM-induced senescence phenotype in the tumor cells and showed the accumulation of activated CD3(+) T cells and CD163(+)CD14(+) myeloid cells expressing the CD209 marker in post-therapy lesions...
September 5, 2016: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/27603913/cancer-testis-antigens-expression-regulation-tumor-invasion-and-use-in-immunotherapy-of-cancers
#16
Arash Salmaninejad, Mohammad Reza Zamani, Mehrnaz Pourvahedi, Zahra Golchehre, Ali Hosseini Bereshneh, Nima Rezaei
UNLABELLED: Cancer/testis antigens (CTAs) are named based on their expression pattern that is restricted in a number of normal and abnormal tissues. Tumor cells frequently express antigens whose expression is typically restricted to germ cells. Their unique expression pattern is guaranteed by precise epigenetic regulatory mechanisms. Because of their tumor-limited, high immunogenicity, and biased expression, discovery of these molecules provides unprecedented opportunities for further research and clinical development in the field of cancer diagnosis and immunotherapy...
October 2016: Immunological Investigations
https://www.readbyqxmd.com/read/27601827/de-novo-myeloid-sarcoma-involving-mandible-in-a-child-report-of-a-rare-occurrence
#17
Moumita Sengupta, Indranil Das, Uttara Chatterjee, Boby Majumdar
Myeloid sarcoma (MS) is a rare malignant disease defined as extramedullary infiltration of immature myeloid cells. We reporte a 2-year-old male of isolated MS who presented with swelling over the left side of the body of the mandible. Proper histological examination and adequate panels of immunohistochemical stain led to the accurate diagnosis. Early intervention with systemic chemotherapy regimens based on cytarabine is the treatment of choice. The role of chromosomal aberrations and genetic abnormality related to prognosis remain uncertain...
May 2016: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/27563447/a-genetic-database-can-be-utilized-to-identify-potential-biomarkers-for-biphenotypic-hepatocellular-carcinoma-cholangiocarcinoma
#18
Shaffer R S Mok, Sachin Mohan, Navjot Grewal, Adam B Elfant, Thomas A Judge
BACKGROUND: Biphenotypic hepatocellular carcinoma-cholangiocarcinoma (HCC-CC) is an uncommon primary liver neoplasm. Due to limitations in radiologic imaging for the diagnosis of this condition, biopsy is a common method for diagnosis, which is invasive and holds potential complications. To identify alternative means for obtaining the diagnosis and assessing the prognosis of this condition, we evaluated biomarkers for biphenotypic HCC-CC using a genetic database. METHODS: To evaluate the genetic associations with each variable we utilized GeneCards(®), The Human Gene Compendium (http://www...
August 2016: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/27560717/isolated-myeloid-sarcoma
#19
Kamal Kant Sahu, Deba Prasad Dhibar, Pankaj Malhotra
No abstract text is available yet for this article.
August 25, 2016: Orbit
https://www.readbyqxmd.com/read/27549124/reduction-of-mdscs-with-all-trans-retinoic-acid-improves-car-therapy-efficacy-for-sarcomas
#20
Adrienne H Long, Steven L Highfill, Yongzhi Cui, Jillian P Smith, Alec J Walker, Sneha Ramakrishna, Rana El-Etriby, Susana Galli, Maria G Tsokos, Rimas J Orentas, Crystal L Mackall
Genetically engineered T cells expressing CD19-specific chimeric antigen receptors (CAR) have shown impressive activity against B-cell malignancies, and preliminary results suggest that T cells expressing a first-generation disialoganglioside (GD2)-specific CAR can also provide clinical benefit in patients with neuroblastoma. We sought to assess the potential of GD2-CAR therapies to treat pediatric sarcomas. We observed that 18 of 18 (100%) of osteosarcomas, 2 of 15 (13%) of rhabdomyosarcomas, and 7 of 35 (20%) of Ewing sarcomas expressed GD2...
October 2016: Cancer Immunology Research
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