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https://www.readbyqxmd.com/read/28225962/cd30-positive-cutaneous-lymphoma-report-of-four-cases-with-an-emphasis-on-clinicopathological-correlations
#1
Thiago Jeunon de Sousa Vargas, Samira Barroso Jorge, Yung Bruno de Mello Gonzaga
The classification of cutaneous lymphomas is multidisciplinary and requires the correlation between clinical, histopathological, immunohistochemical, and molecular diagnostic elements. In this article, we present four different cases of CD30-positive T-cell lymphoma with cutaneous manifestations. We compare cases with definitive diagnosis of papulosis lymphomatoid type C, primary cutaneous anaplastic large T-cell lymphoma, systemic anaplastic large T-cell lymphoma with secondary skin involvement, and mycosis fungoides with large cell transformation, highlighting the importance of clinicopathological correlation to classify these cases...
January 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28211277/antineoplastic-agents-603-quinstatins-exceptional-cancer-cell-growth-inhibitors
#2
George R Pettit, Noeleen Melody, Jean-Charles Chapuis
Discovery of the exceptionally powerful anticancer drug dolastatin 10 (1), contained in the sea hare Dolabella auricularia, opened a new frontier needed for improving human cancer treatment. Subsequently, major advances have been achieved based on results of structurally modifying this unusual natural peptide while maintaining the remarkable anticancer activity necessary for preparation of successful monoclonal antibody drug conjugates (ADC). Among the first several hundred SAR products based on dolastatin 10 our group synthesized and termed auristatins was auristatin E (2a)...
February 17, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28210574/rosai-dorfman-disease-affecting-the-maxilla
#3
Thaís Gimenez Miniello, Juliane Piragine Araujo, Norberto Nobuo Sugaya, Fernando Melhem Elias, Oslei Paes de Almeida, Fabio Abreu Alves
Rosai-Dorfman disease (RDD), formerly called sinus histiocytosis with massive lymphadenopathy, is a non-neoplastic proliferative histiocytic disorder with behavior ranging from highly aggressive to spontaneous remission. Although the lymph nodes are more commonly involved, any organ can be affected. This study aimed to describe the features and the follow-up of a case of extranodal RDD. Our patient was a 39-year-old woman who was referred with an 11-month history of pain in the right maxilla. On clinical examination, some upper right teeth presented full mobility with normal appearance of the surrounding gingiva...
October 2016: Autopsy & case reports
https://www.readbyqxmd.com/read/28209473/analysis-of-peripheral-t-cell-lymphoma-diagnostic-workup-in-the-united-states
#4
Eric D Hsi, Steven M Horwitz, Kenneth R Carson, Lauren C Pinter-Brown, Steven T Rosen, Barbara Pro, Massimo Federico, Christian Gisselbrecht, Marc Schwartz, Lisa A Bellm, Mark Acosta, Angela M Collie, Aaron M Gruver, Bartosz J Grzywacz, Samir Turakhia, Andrei R Shustov, Ranjana H Advani, Tatyana Feldman, Mary Jo Lechowicz, Sonali M Smith, Frederick Lansigan, Anil Tulpule, Michael D Craig, John P Greer, Brad S Kahl, Joseph W Leach, Neil Morganstein, Carla Casulo, Steven I Park, Francine M Foss
BACKGROUND: With increased understanding of the unique entities, subtype-specific approaches for peripheral T-cell lymphoma (PTCL) are emerging, and more precise diagnoses are becoming increasingly important. PATIENTS AND METHODS: We analyzed the approach to the histopathologic diagnosis of PTCL using data from the comprehensive oncology measures of peripheral T-cell lymphoma (COMPLETE) study. The COMPLETE trial is a large prospective cohort study of patients with newly diagnosed PTCL in the United States...
January 10, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28195879/fibrin-associated-ebv-positive-large-b-cell-lymphoma-an-indolent-neoplasm-with-features-distinct-from-diffuse-large-b-cell-lymphoma-associated-with-chronic-inflammation
#5
Daniel F Boyer, Penelope A McKelvie, Laurence de Leval, Kerstin L Edlefsen, Young-Hyeh Ko, Zachary A Aberman, Alexandra E Kovach, Aneal Masih, Ha T Nishino, Lawrence M Weiss, Alan K Meeker, Valentina Nardi, Maryknoll Palisoc, Lina Shao, Stefania Pittaluga, Judith A Ferry, Nancy Lee Harris, Aliyah R Sohani
Incidental cases of localized fibrin-associated Epstein-Barr virus (EBV)+ large B-cell proliferations have been described at unusual anatomic sites and have been included in the category of diffuse large B-cell lymphoma associated with chronic inflammation (DLBCL-CI) in the WHO Classification. We describe 12 cases and review the literature to define their clinicopathologic spectrum and compare features with typical cases of DLBCL-CI. Median age was 55.5 years with a M:F ratio of 3. In all 12 cases, the lymphoma was an incidental microscopic finding involving atrial myxomas (n=3), thrombi associated with endovascular grafts (n=3), chronic hematomas (n=2), and pseudocysts (n=4)...
March 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28191697/composite-lymphoma-of-peripheral-t-cell-lymphoma-and-hodgkin-lymphoma-mixed-cellularity-type-pathological-and-molecular-analysis
#6
Ayako Ichikawa, Hiroaki Miyoshi, Takuji Yamauchi, Fumiko Arakawa, Riko Kawano, Hiroko Muta, Yasuo Sugita, Koichi Akashi, Koichi Ohshima
Composite lymphomas (CLs) are defined as two unrelated lymphomas occurring at the same time within the same tissue. The incidence of these tumors is low. Of all possible combinations between lymphomas, the least frequent are the ones combining peripheral T-cell lymphoma (PTCL) and Hodgkin lymphoma (HL). We recently identified five cases of CL composed of PTCL and classical HL, mixed cellularity type. We investigated histological and clinical features of these cases. Immunostaining was performed on paraffin sections...
February 13, 2017: Pathology International
https://www.readbyqxmd.com/read/28161001/-immune-checkpoint-and-hemopathies
#7
Barbara Burroni, Chloé Broudin, Diane Damotte, Camille Laurent
Immune-checkpoint inhibitors represent potent new therapies for most lymphomas, particularly for refractory diseases. Contrasting with solid tumors the majority of lymphoma are sensitive to conventional therapies and immunotherapies such as anti-CD20 or anti-CD30. But relapsing lymphoma or refractory disease have a very poor prognosis and new drugs are mandatory. Immune-checkpoint inhibitors targeting CTLA4, PD-1 et PD-L1 demonstrated efficiency with prolonged survivals even after bone marrow allograft for aggressive disease...
February 2017: Annales de Pathologie
https://www.readbyqxmd.com/read/28153507/expression-of-p63-protein-in-anaplastic-large-cell-lymphoma-implications-for-genetic-subtyping
#8
Xueju Wang, Rebecca L Boddicker, Surendra Dasari, Jagmohan S Sidhu, Marshall E Kadin, William R Macon, Stephen M Ansell, Rhett P Ketterling, Karen L Rech, Andrew L Feldman
Anaplastic large cell lymphomas (ALCLs) are CD30-positive T-cell non-Hodgkin lymphomas that bear chromosomal rearrangements of the TP53 homologue, TP63, in a subset of cases that demonstrate aggressive clinical behavior. In the present study, we examined the relationship between p63 protein expression by immunohistochemistry and the results of fluorescence in situ hybridization (FISH) using TP63 probes in 116 ALCLs. We also determined the relative expression of full-length TAp63 and truncated ΔNp63 isoforms (e...
January 30, 2017: Human Pathology
https://www.readbyqxmd.com/read/28144055/primary-mediastinal-lymphomas-their-morphological-features-and-comparative-evaluation
#9
Riti Aggarwal, Seema Rao, Shashi Dhawan, Sunita Bhalla, Arvind Kumar, Prem Chopra
BACKGROUND: Primary mediastinal lymphoma is an uncommon tumor. Hodgkin's lymphoma (HL), primary mediastinal B-cell lymphoma (PMBCL), and T-lymphoblastic lymphoma are the most common primary mediastinal lymphomas. Key morphological and immunohistochemistry (IHC) features play a very crucial role in diagnosis as well as further categorization. MATERIALS AND METHODS: In this study, the morphological spectrum and histological features of 32 cases of primary mediastinal lymphomas diagnosed over 5 years were studied and morphological and IHC features of PMBCL versus HL were compared...
January 2017: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/28143608/an-unusual-case-of-epstein-barr-virus-positive-large-b-cell-lymphoma-lacking-various-b-cell-markers
#10
Shin-Ichi Nakatsuka, Chikao Yutani, Masako Kurashige, Masaharu Kohara, Teruaki Nagano, Takayoshi Goto, Hiroyuki Takatsuka, Hidetaka Ifuku, Eiichi Morii
BACKGROUD: Epstein-Barr virus (EBV) is associated with B-cell lymphoma in various conditions, such as immunodeficiency and chronic inflammation. We report an unusual case of EBV-positive diffuse large B-cell lymphoma (DLBCL) lacking the expression of many B-cell markers. CASE PRESENTATION: An 83-year-old man presented with a submandibular tumor. Histology of a lymph node biopsy specimen revealed diffuse proliferation of centroblast- or immunoblast-like lymphoid cells with plasmacytic differentiation...
January 31, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28139895/alk-negative-anaplastic-large-cell-lymphoma-with-urinary-bladder-involvement-diagnosed-in-urine-cytology-a-case-report-and-literature-review
#11
João Lobo, Rui Henrique, Paula Monteiro, Cláudia Lobo
Anaplastic large cell lymphoma is an aggressive T-cell neoplasm. It rarely involves the urinary bladder, with just twelve cases reported thus far and only one being ALK-negative. Immunophenotyping (particularly for ALK) is mandatory, both for prognostic and therapeutic reasons. Herein, we report the case of a patient with an ALK-negative anaplastic large cell lymphoma involving the bladder which was diagnosed and fully characterized by immunocytochemistry in urine cytology. The patient underwent a cystoscopy and the urine sample disclosed tumor diathesis background and aggregates of atypical cells, with evidence of multinucleation and mitotic figures...
January 31, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28134252/thz1-targeting-cdk7-suppresses-stat-transcriptional-activity-and-sensitizes-t-cell-lymphomas-to-bcl2-inhibitors
#12
Florencia Cayrol, Pannee Praditsuktavorn, Tharu M Fernando, Nicholas Kwiatkowski, Rosella Marullo, M Nieves Calvo-Vidal, Jude Phillip, Benet Pera, Shao Ning Yang, Kaipol Takpradit, Lidia Roman, Marcello Gaudiano, Ramona Crescenzo, Jia Ruan, Giorgio Inghirami, Tinghu Zhang, Graciela Cremaschi, Nathanael S Gray, Leandro Cerchietti
Peripheral T-cell lymphomas (PTCL) are aggressive diseases with poor response to chemotherapy and dismal survival. Identification of effective strategies to target PTCL biology represents an urgent need. Here we report that PTCL are sensitive to transcription-targeting drugs, and, in particular, to THZ1, a covalent inhibitor of cyclin-dependent kinase 7 (CDK7). The STAT-signalling pathway is highly vulnerable to THZ1 even in PTCL cells that carry the activating STAT3 mutation Y640F. In mutant cells, CDK7 inhibition decreases STAT3 chromatin binding and expression of highly transcribed target genes like MYC, PIM1, MCL1, CD30, IL2RA, CDC25A and IL4R...
January 30, 2017: Nature Communications
https://www.readbyqxmd.com/read/28133147/-a-case-of-small-intestinal-malignant-lymphoma-presenting-with-perforated-peritonitis
#13
Naoki Aomatsu, Yasutake Uchima, Yasutaka Aoyama, Gen Tsujio, En Wang, Yoshihito Yamakoshi, Daisuke Nagashima, Toshiki Hirakawa, Takehiko Iwauchi, Takafumi Nishii, Kazunori Nakazawa, Seika Tei, Kazuhiro Takeuchi
An 85-year-old man presented to the emergency department with vomiting. He had tenderness in the left abdomen and under the umbilicus. Laboratory data showed an increase in the inflammatory response. Enhanced abdominal computed tomography showed thickening ofthe small intestinal wall in the lower left abdomen with a small amount ofadjacent free air. The fat tissue around the small intestine also revealed a high density area suggestive of inflammation. A diagnosis of peritonitis caused by intestinal perforation was made and an emergency operation was performed...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28125795/superior-therapeutic-index-in-lymphoma-therapy-cd30-cd34-hematopoietic-stem-cells-resist-a-chimeric-antigen-receptor-t-cell-attack
#14
Andreas A Hombach, André Görgens, Markus Chmielewski, Florian Murke, Janine Kimpel, Bernd Giebel, Hinrich Abken
Recent clinical trials with chimeric antigen receptor (CAR) redirected T cells targeting CD19 revealed particular efficacy in the treatment of leukemia/lymphoma, however, were accompanied by a lasting depletion of healthy B cells. We here explored CD30 as an alternative target, which is validated in lymphoma therapy and expressed by a broad variety of Hodgkin's and non-Hodgkin's lymphomas. As a safty concern, however, CD30 is also expressed by lymphocytes and hematopoietic stem and progenitor cells (HSPCs) during activation...
August 2016: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28122147/serum-scd30-a-promising-biomarker-for-predicting-the-risk-of-bacterial-infection-after-kidney-transplantation
#15
Mario Fernández-Ruiz, Patricia Parra, Francisco López-Medrano, Tamara Ruiz-Merlo, Esther González, Natalia Polanco, Julia Origüen, Rafael San Juan, Amado Andrés, José María Aguado
BACKGROUND: The transmembrane glycoprotein CD30 contributes to regulate the balance between Th1 and Th2 responses. Previous studies have reported conflicting results on the utility of its soluble form (sCD30) to predict post-transplant infection. METHODS: Serum sCD30 was measured by a commercial ELISA assay at baseline and post-transplant months 1, 3, and 6 in 100 kidney transplant (KT) recipients (279 monitoring points). The impact of sCD30 levels on the incidence of overall, bacterial and opportunistic infection during the first 12 months after transplantation was assessed by Cox regression...
January 25, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28120026/-blast-like-tumor-tissue-in-cervical-lymph-node-with-expression-of-placental-alkaline-phosphatase
#16
C Fellbaum, S Kircher, U Oehler, R Blessing, A Rosenwald
We report a case of ALK1-positive anaplastic large cell lymphoma with expression of placental alkaline phosphatase (PLAP) in many tumor cells. Initially, due to the positivity of tumor cells for CD30 and PLAP, lymph node metastasis of a germ cell neoplasm was discussed. Anaplastic large cell lymphomas of T‑cell lineage form a group of rare non-Hodgkin lymphomas with heterogeneous morphological and immunohistochemical appearance. They may imitate other neoplasms, such as large cell B‑cell lymphomas, metastasis of a carcinoma, melanoma, embryonal carcinoma or seminoma, rhabdomyosarcoma and inflammatory myofibroblastic tumor...
January 24, 2017: Der Pathologe
https://www.readbyqxmd.com/read/28119332/brentuximab-beats-standard-therapies-for-ctcl
#17
(no author information available yet)
Compared with a physician's choice of either methotrexate or bexarotene, the CD30-directed antibody-drug conjugate brentuximab vedotin led to significantly superior clinical responses in patients with cutaneous T-cell lymphomas, according to the results of the international phase III ALCANZA trial.
January 24, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28061955/the-role-of-cd30-and-cd153-cd30l-in-the-anti-mycobacterial-immune-response
#18
REVIEW
Nancy D Marín, Luis F García
The establishment of a protective T-cell response against mycobacterial infections involves different co-stimulatory molecules and their respective ligands. Among these molecules the Tumor Necrosis Factor Receptor Super-family (TNFRSF) and the Tumor Necrosis Factor Super-family (TNFSF) are known to be important members. This review analyzes the evidence that CD30 and CD153 (CD30L), members of the TNFRSF and TNSF, play key roles in the T cell-dependent anti-mycobacterial immune response. Mice deficient in either CD30 or CD153, or treated with antibodies blocking the effects or CD30 and CD153, and infected with M...
January 2017: Tuberculosis
https://www.readbyqxmd.com/read/28058698/high-soluble-cd30-levels-and-associated-anti-hla-antibodies-in-patients-with-failed-renal-allografts
#19
Gonca E Karahan, Yasar Caliskan, Kursat Ozdilli, Cigdem Kekik, Huseyin Bakkaloglu, Bahar Caliskan, Aydin Turkmen, Mehmet S Sever, Fatma S Oguz
INTRODUCTION: Serum soluble CD30 (sCD30), a 120-kD glycoprotein that belongs to the tumor necrosis factor receptor family, has been suggested as a marker of rejection in kidney transplant patients. The aim of this study was to evaluate the relationship between sCD30 levels and anti-HLA antibodies, and to compare sCD30 levels in patients undergoing hemodialysis (HD) with and without failed renal allografts and transplant recipients with functioning grafts. METHODS: 100 patients undergoing HD with failed grafts (group 1), 100 patients undergoing HD who had never undergone transplantation (group 2), and 100 kidney transplant recipients (group 3) were included in this study...
December 26, 2016: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28035754/sinusoidal-cd30-diffuse-large-b-cell-lymphoma-can-masquerade-as-anaplastic-large-cell-lymphoma-in-pediatric-posttransplant-lymphoproliferative-disorders
#20
Neel S Bhatt, Michael E Kelly, Bjorn Batdorf, Gabriela Gheorghe
Posttransplant lymphoproliferative disorder (PTLD) is a known complication of solid organ transplantation. Diffuse large B-cell lymphoma (DLBCL) is frequently seen in this setting. However, CD30+ DLBCL with sinusoidal pattern of involvement has not been reported in pediatric PTLD. We are reporting a 9-year-old female child presented with diffuse lymphadenopathy postheart transplantation. The pattern of involvement was suggestive of anaplastic large cell lymphoma, but the malignant cells were positive for B-cell markers and negative for anaplastic lymphoma kinase...
December 30, 2016: Pediatric Blood & Cancer
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