journal
https://read.qxmd.com/read/35496359/non-hodgkin-lymphoma-mimicking-acute-leukemia-a-report-of-six-cases-and-review-of-the-literature
#1
JOURNAL ARTICLE
David M Dorfman, Sam Sadigh
Aggressive subtypes of non-Hodgkin lymphoma may uncommonly be referred to clinical oncologists for treatment of acute leukemia, due to an elevated or rapidly rising white blood cell count (WBC), with circulating neoplastic cells that morphologically resemble leukemic blasts seen in acute myeloid or lymphoblastic leukemia. We describe six cases of non-Hodgkin lymphoma that mimicked acute leukemia and were identified in the pathology records of the Brigham and Women's Hospital. The patients were older adults (mean age 70 years), who presented with leukocytosis (mean 79...
June 2022: Journal of Hematopathology
https://read.qxmd.com/read/35669856/kikuchi-fujimoto-disease-in-a-child-who-had-a-high-suspicion-of-covid-19-infection
#2
JOURNAL ARTICLE
Nihan Öztürk, İlayda Kılıç, Pınar Uyar Göçün, Zühre Kaya
No abstract text is available yet for this article.
May 31, 2022: Journal of Hematopathology
https://read.qxmd.com/read/35261687/intracerebral-manifestation-of-iatrogenic-immunodeficiency-associated-polymorphic-b-lpd-with-morphology-mimicking-hodgkin-lymphoma-a-case-report-and-literature-review
#3
Leonie Saft, Marina Perdiki-Grigoriadi, Georgios Rassidakis
Iatrogenic immunodeficiency-associated lymphoproliferative disorders (IA-LPD) may arise in patients treated with immunosuppressive drugs for autoimmune disease or other conditions. Polymorphic EBV-positive B-lymphoproliferations often have features mimicking Hodgkin lymphoma and typically a self-limited, indolent course. We present an unusual case with isolated, intracerebral manifestation of polymorphic B-LPD with features of classic Hodgkin-lymphoma in an immunosuppressed patient treated with methotrexate and infliximab, including clinical-radiological features and a detailed description of morphological findings, together with a literature review on reported cases  of primary CNS manifestation of cHL and IA-LPD with Hodgkin-like morphology...
March 4, 2022: Journal of Hematopathology
https://read.qxmd.com/read/35284024/kikuchi-fujimoto-disease-following-vaccination-against-covid-19
#4
Yingying Guan, Xiao Xia, Huadong Lu
The purpose of this study is to explore the clinicopathological features of Kikuchi-Fujimoto disease (KFD) following vaccination against coronavirus disease 2019 (COVID-19). One case of KFD following vaccination against COVID-19 was examined clinically, histologically, and immunohistochemically. The patient was a 36-year-old Chinese man who suffered from fever and cervical lymph node swelling following simultaneous administration of the COVID-19 vaccine. The patient was diagnosed with KFD based on the histopathological findings of a lymph node core needle biopsy, and his fever and swelling resolved 2 months later without therapy...
March 2022: Journal of Hematopathology
https://read.qxmd.com/read/34249171/blood-cell-morphology-and-covid-19-clinical-course-severity-and-outcome
#5
JOURNAL ARTICLE
Amirhossein Pezeshki, Atefeh Vaezi, Pardis Nematollahi
COVID-19 infection affects different organs of the human body, and blood cells are not an exception. Peripheral blood smear (PBS) is a simple and available method to investigate blood cells' morphologic changes. In this study, we aimed to determine the morphologic changes and abnormalities of COVID-19 patients and their relation to the patients' clinical course. In this prospective cross-sectional study, we included 89 PCR-positive COVID-19 patients. A pathologist examined the PBS findings of these patients...
July 5, 2021: Journal of Hematopathology
https://read.qxmd.com/read/34025816/sars-cov-2-covid-19-pandemic-produces-a-new-paradigm-for-international-hematopathology-meetings
#6
EDITORIAL
William R Macon
No abstract text is available yet for this article.
May 17, 2021: Journal of Hematopathology
https://read.qxmd.com/read/33897909/hemophagocytic-lymphohistiocytosis-a-new-cause-of-death-during-post-acute-covid-19-syndrome-a-case-report
#7
Elie Naous, Bertha-Maria Nassani, Cesar Yaghi, Fadi Nasr, Rita Medlej
'Post-acute coronavirus disease 2019 (COVID-19) syndrome' is a new term that was coined to describe a constellation of persistent symptoms and new complications following recovery from COVID-19 initial illness. Identifying post-COVID-19 complications is crucial for early diagnosis and subsequent initiation of therapies to ensure more favorable outcomes. Severe COVID-19-related hemophagocytic lymphohistiocytosis (HLH) has been previously described during the acute phase of the infection. It is characterized by hyperinflammation, multi-organ involvement, and hemophagocytosis...
April 20, 2021: Journal of Hematopathology
https://read.qxmd.com/read/33777257/lymphomatoid-granulomatosis-in-one-patient-with-newly-diagnosed-hiv-infection-and-kaposi-s-sarcoma-a-case-report-and-literature-review
#8
Sindy Gutiérrez, Gilberto Barranco, Ana Ramirez, Silvia Sánchez, Pamela Alatorre, Johanna Cevallos, Carmen Lome
Lymphomatoid granulomatosis is a very rare B cell lymphoproliferative disease associated with Epstein-Barr virus infection. It is related to states of immunosuppression and affects the lung in more than 90% of cases, forcing the clinician to establish a differential diagnosis with other diseases such as infections, Wegener's granulomatosis, lymphoma, or lung metastases. There is no standard treatment for this disease. In this paper, we describe a rare case of a patient with grade 3 lymphomatoid granulomatosis with newly diagnosed HIV infection who started antiretroviral treatment with a gradual improvement of the lesions...
March 20, 2021: Journal of Hematopathology
https://read.qxmd.com/read/33488839/bronchoalveolar-lavage-fluid-review-in-acute-promyelocytic-leukemia-differentiation-syndrome
#9
Robert P Seifert, Scott Gregory
The patient was a 62-year-old Caucasian man with blood smear and flow cytometry concerning for acute promyelocytic leukemia with FISH ultimately confirming PML-RARA translocation. He had a 30-year history of employment at a nuclear power plant. He presented with diffuse intravascular coagulation, hyperleukocytosis, and quickly developed acute respiratory distress syndrome. On day four of ATRA + Hydrea, a bronchoalveolar lavage was performed and was non-bloody. On microscopic fluid review, abnormal immature cells with bilobed nuclear contours were identified, similar in morphology to those seen on the diagnostic blood smear review, amidst background alveolar-type macrophages...
January 17, 2021: Journal of Hematopathology
https://read.qxmd.com/read/33193905/clinical-laboratory-validation-of-the-mcl35-assay-for-molecular-risk-stratification-of-mantle-cell-lymphoma
#10
JOURNAL ARTICLE
Colleen A Ramsower, Alanna Maguire, Ryan S Robetorye, Andrew L Feldman, Sergei I Syrbu, Allison C Rosenthal, Lisa M Rimsza
Mantle cell lymphoma (MCL) is a clinically heterogeneous B cell malignancy for which a variety of prognostic factors have been proposed. Previously, a digital gene expression profiling "proliferation signature" capable of risk stratifying MCL was identified and subsequently developed into a multi-analyte prognostic assay, known as the "MCL35" assay. In this study, we sought to explore the performance characteristics of the MCL35 assay in a clinical laboratory and compare results with the Ki67 proliferation marker...
December 2020: Journal of Hematopathology
https://read.qxmd.com/read/33110452/case-report-a-fatal-combination-of-hemophagocytic-lymphohistiocytosis-with-extensive-pulmonary-microvascular-damage-in-covid-19-pneumonia
#11
Jan H von der Thüsen, Jasper van Bommel, Johan M Kros, Robert M Verdijk, Boaz Lopuhaä, King H Lam, Willem A Dik, Jelle R Miedema
The clinical features of COVID-19 have a considerable range from a mild illness to severe disease. Underlying pathophysiological mechanisms of the rapidly progressive, and often fatal, pulmonary disease frequently observed in COVID-19 need to be elucidated, in order to develop new treatment strategies for different disease endotypes. Fatal cases can display features of a cytokine storm, which may be related to hemophagocytic lymphohistiocytosis. Also, a spectrum of vascular changes, including microvascular damage, is known to accompany severe COVID-19...
October 23, 2020: Journal of Hematopathology
https://read.qxmd.com/read/33046998/elevated-eosinophil-count-is-related-with-lower-anti-factor-xa-activity-in-covid-19-patients
#12
JOURNAL ARTICLE
Selma Ari, Veysi Can, Ömer Furkan Demir, Hasan Ari, Fahriye Vatansever Ağca, Mehmet Melek, Sencer Çamci, Özlem Şengören Dikiş, Kağan Huysal, Tamer Türk
Despite prophylactic anticoagulant treatments, thrombotic complications may develop in patients with coronavirus disease 2019 (COVID-19). This study aimed to evaluate the factors influencing anti-factor Xa activity in COVID-19 patients receiving low molecular weight heparin (LMWH). We prospectively evaluated 80 COVID-19 patients, diagnosed using polymerase chain reaction test, who were admitted to our clinic and administered LMWH; LMWH (enoxaparin) was applied according to the weight, D-dimer levels, and clinical condition of patients...
October 8, 2020: Journal of Hematopathology
https://read.qxmd.com/read/32837599/activation-of-cytotoxic-t-cell-population-and-inversion-of-cd4-cd8-ratio-as-manifestations-of-cellular-immune-response-in-sars-cov-2-infection
#13
JOURNAL ARTICLE
Fahad Khan, Tayler van den Akker, Shafinaz Hussein, Bridget K Marcellino, Pallavi Khattar, Benjamin S Glicksberg, Girish N Nadkarni, Adolfo Firpo-Betancourt, Siraj M El Jamal
No abstract text is available yet for this article.
July 2, 2020: Journal of Hematopathology
https://read.qxmd.com/read/32837598/covid-19-and-remembering-professor-dennis-h-wright
#14
EDITORIAL
William R Macon
No abstract text is available yet for this article.
May 26, 2020: Journal of Hematopathology
https://read.qxmd.com/read/31404445/evaluation-of-s1pr1-pstat3-s1pr2-foxp1-expression-in-aggressive-mature-b-cell-lymphomas
#15
JOURNAL ARTICLE
Mustafa Al-Kawaaz, Teresa Sanchez, Michael J Kluk
Background: Aggressive, mature B-cell lymphomas include Burkitt Lymphoma (BL), High Grade B Cell Lymphomas (HGBL) (eg, Double-Hit B cell lymphomas (HGBL-DH: HGBL with MYC and BCL2 and/or BCL6 translocations)), HGBL, Not Otherwise Specified (HGBL, NOS) and Diffuse Large B Cell Lymphoma (DLBCL). Overlapping morphologic and immunohistochemical features of these lymphomas pose diagnostic challenges in some cases, and better understanding of potential diagnostic biomarkers and possible therapeutic targets is needed...
June 2019: Journal of Hematopathology
https://read.qxmd.com/read/34447482/incorporation-of-digital-gene-expression-profiling-for-cell-of-origin-determination-lymph2cx-testing-into-the-routine-work-up-of-diffuse-large-b-cell-lymphoma
#16
JOURNAL ARTICLE
Ryan S Robetorye, Colleen A Ramsower, Allison C Rosenthal, Tameson K Yip, Amy J Wendel Spiczka, Betty J Glinsmann-Gibson, Lisa M Rimsza
Diffuse large B-cell lymphomas (DLBCL) represent a clinically heterogeneous group of lymphomas that are classified together based on similarities in morphology and immunophenotype. Gene expression profiling further classifies DLBCL into distinct molecular subgroups based on cell-of-origin (COO), including Germinal Center B-cell type, Activated B-cell type, and Unclassified type. COO assignment of DLBCL has important biological and prognostic significance, as well as emerging therapeutic implications. Herein, we describe the first clinical validation of a digital gene expression profiling assay (Lymph2Cx) to perform COO assignment in the routine work-up of DLBCL using formalin-fixed paraffin-embedded (FFPE) tissue sections and describe the results of 90 consecutive DLBCL cases analyzed prospectively by a College of American Pathologists/Clinical Laboratory Improvement Amendments (CAP/CLIA)-certified clinical molecular diagnostics laboratory...
March 2019: Journal of Hematopathology
https://read.qxmd.com/read/30294391/high-risk-acute-promyelocytic-leukemia-with-unusual-t-myeloid-immunophenotype-successfully-treated-with-atra-and-arsenic-trioxide-based-regimen
#17
JOURNAL ARTICLE
Zeba N Singh, Vu H Duong, Rima Koka, Ying Zou, Sameer Sawhney, Li Tang, Maria R Baer, Nicholas Ambulos, Firas El Chaer, Ashkan Emadi
We describe two patients with acute promyelocytic leukemia (APL) with an unusual immunophenotype with co-expression of myeloperoxidase (MPO) with cytoplasmic CD3 (cCD3) representing myeloid and T-lineage differentiation. Both harbored FLT3 -ITD mutations. One additionally had a deletion in the PML gene affecting the primer binding site, thus limiting measurable residual disease (MRD) analysis during follow-up. Both patients achieved durable remission with all-trans retinoic acid (ATRA) and arsenic trioxide (ATO)-based therapy, thus mitigating the need for repetitive conventional chemotherapy cycles and allogeneic stem cell transplantation...
September 2018: Journal of Hematopathology
https://read.qxmd.com/read/31186815/correction-to-secondary-b-cell-lymphoma-associated-with-the-epstein-barr-virus-in-chronic-lymphocytic-leukemia-patients
#18
Julie Morscio, Emilie Bittoun, Nathalie Volders, Eveline Lurquin, Iwona Wlodarska, Olivier Gheysens, Peter Vandenberghe, Gregor Verhoef, Philippe Demaerel, Daan Dierickx, Xavier Sagaert, Ann Janssens, Thomas Tousseyn
[This corrects the article DOI: 10.1007/s12308-016-0273-8.].
June 2018: Journal of Hematopathology
https://read.qxmd.com/read/29225711/new-developments-in-the-pathology-of-malignant-lymphoma-a-review-of-the-literature-published-from-september-august-2017
#19
REVIEW
J H van Krieken
No abstract text is available yet for this article.
December 2017: Journal of Hematopathology
https://read.qxmd.com/read/29225710/novel-developments-in-the-pathogenesis-and-diagnosis-of-extranodal-marginal-zone-lymphoma
#20
REVIEW
Max I Schreuder, Michiel van den Brand, Konnie M Hebeda, Patricia J T A Groenen, J Han van Krieken, Blanca Scheijen
Extranodal marginal zone lymphoma (EMZL), mostly represented by mucosa-associated lymphoid tissue (MALT) type, also referred to as MALT lymphoma, is a clinically heterogeneous entity within the group of low-grade B cell lymphomas that arises in a wide range of different extranodal sites, including the stomach, lung, ocular adnexa, and skin. It represents the third most common non-Hodgkin lymphoma in the Western world, and the median age of occurrence is around 60 years. One characteristic aspect in a subset of EMZL detectable in about 25% of the cases is the presence of specific chromosomal translocations involving the genes MALT1 and BCL10 , which lead to activation of the NF-κB signaling pathway...
December 2017: Journal of Hematopathology
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