A 71-year-old woman with a four-year history of chronic lymphocytic leukemia (CLL) received ibrutinib as initial treatment due to progressive anemia and thrombocytopenia. Eleven months after the start of the treatments, although her cytopenia had ameliorated, she developed classic Hodgkin lymphoma, a rare form of Richter's transformation. She was successfully treated with two courses of adriamycin, vinblastin, bleomycin and dacarbazine followed by radiotherapy. In general, several clinical, genetic and molecular factors are associated with Richter's transformation. In addition, our present case suggested that ibrutinib could be a potential risk factor for Richter's transformation in CLL patients.
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http://dx.doi.org/10.2169/internalmedicine.6979-20 | DOI Listing |
Leuk Lymphoma
January 2025
Centre de Recherches en Cancérologie de Toulouse, INSERM UMR1037, CNRS UMR5071, Université Toulouse III-Paul Sabatier, Toulouse, France.
In this review, we focus on the pro-oncogene MYC, the modes of deregulation in mouse and human B-cells, its undisputable importance in the evaluation of biological prognostication of patients, but also how it impacts on response to modern therapeutics, and how it should be targeted to improve the overall survival of chronic lymphocytic lymphoma (CLL) patients. After an overview of the current understanding of the molecular dysregulation of c-MYC, we will show how CLL, both in its indolent and transformed phases, has developed among other B-cell lymphomas a tight regulation of its expression through the chronic activation of B-Cell Receptors (among others). This is particularly important if one desires to understand the mechanisms at stake in the over-expression of c-MYC especially in the lymph nodes compartment.
View Article and Find Full Text PDFAm J Obstet Gynecol
December 2024
Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA; Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA, USA. Electronic address:
Background: Most studies on pelvic floor muscle morphology (dimensions, shape) and its relationship with patient characteristic risk factors of pelvic floor dysfunction (demographics, medical history) have largely pertained to White individuals with vaginas. There is a need to establish normative data on pelvic floor muscle anatomy and identify morphological differences in racially diverse cohorts that may play a role in racial differences in the prevalence and pathophysiology of pelvic floor dysfunction.
Objective: (s): This study aimed to compare levator ani muscle thickness and levator hiatal morphology and their association with patient characteristics, between asymptomatic Black and White women-identifying individuals with a vagina of reproductive age.
Front Oncol
December 2024
Department of Geriatrics, Hematology & Oncology Ward, Guangzhou First People's Hospital, Guangdong Medical University, Guangzhou, Guangdong, China.
Hodgkin lymphoma variant of Richter syndrome (HL-type RS) is a very rare disease, in which chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL) is transformed into novel Hodgkin lymphoma. The most important prognostic factor of HL-type RS is the clonal relationship between HL-type RS and the preexisting CLL/SLL. Detailed confirmation of clonally unrelated HL-type RS cases have not been reported.
View Article and Find Full Text PDFFront Oncol
December 2024
Western Michigan University Homer Stryker M.D. School of Medicine, Kalamazoo, MI, United States.
Background: Richter's transformation (RT) in chronic lymphocytic leukemia (CLL) is associated with poor prognosis and requires prompt modifications in patient care. CLL patients are susceptible to severe infections due to immune dysregulation induced by their malignancy and immunosuppressive therapies.
Case Presentation: We present a case of a 63-year-old man with CLL who previously achieved remission and presented with a right inguinal mass.
Plant Phenomics
December 2024
Department of General and Organic Viticulture, Hochschule Geisenheim University, Geisenheim, Germany.
Understanding root system architecture (RSA) is essential for improving crop resilience to climate change, yet assessing root systems of woody perennials under field conditions remains a challenge. This study introduces a pipeline that combines field excavation, in situ 3-dimensional digitization, and transformation of RSA data into an interoperable format to analyze and model the growth and water uptake of grapevine rootstock genotypes. Eight root systems of each of 3 grapevine rootstock genotypes ("101-14", "SO4", and "Richter 110") were excavated and digitized 3 and 6 months after planting.
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