Results 11 to 20 of about 1,911 (167)

Diffuse Large B-Cell Lymphoma Presenting in a Background of Rosai-Dorfman Disease. [PDF]

open access: yesCase Rep Hematol
Rosai–Dorfman disease (RDD) can present with lymphadenopathy. However, it is important to note that RDD can also coexist with hematologic malignancies, including non‐Hodgkin lymphomas. We present a case of an older male patient with generalized lymphadenopathy who was first diagnosed with RDD.
Wu C, Meyer A, Tun AM.
europepmc   +2 more sources

A 50-year-old man with a 12-year history of extensive pachymeningeal thickening. [PDF]

open access: yesBrain Pathol
Brain Pathology, Volume 36, Issue 4, July 2026.
Lee AM   +3 more
europepmc   +2 more sources

Cerebral CD1a positive Rosai–Dorfman disease with coexistent granulomatous angiitis: A case report

open access: yesGlioma, 2022
Rosai–Dorfman disease (RDD) is a nonneoplastic histiocytic proliferation. RDD is CD1a negative as opposed to Langerhans cell histiocytosis (LCH). The lesion was positive for CD1a immunohistochemistry in our RDD patient, suggesting an overlap with LCH. In
Sweety Vijay Shinde, Asha Sharad Shenoy
doaj   +1 more source

A Rare Case of Benign Histiocytic Neoplasm of Cutaneous Rosai–Dorfman Disease: A Case Report and Literature Review

open access: yesEuropean Journal of Case Reports in Internal Medicine, 2022
Rosai–Dorfman disease (RDD) is a rare disorder characterized by the proliferation of histiocytes in lymph nodes. It can occur anywhere in the body but commonly involves the cervical area of the neck.
Erinie Mekheal   +6 more
doaj   +1 more source

Autoimmune Hepatitis Following COVID-19 Vaccination in a Patient With Ulcerative Colitis: A Case Report. [PDF]

open access: yesClin Case Rep
ABSTRACT Autoimmune hepatitis (AIH) following COVID‐19 vaccination is a rare adverse event. We present the case of a 55‐year‐old male with a history of ulcerative colitis (UC) who developed AIH 3 weeks after receiving his second dose of the Pfizer–BioNTech mRNA vaccine. He presented with jaundice and significantly elevated liver enzymes. A liver biopsy
Algodi M   +6 more
europepmc   +2 more sources

Megakaryocyte emperipolesis: a new frontier in cell-in-cell interaction

open access: yesPlatelets, 2020
Histology of bone marrow routinely identifies megakaryocytes that enclose neutrophils and other hematopoietic cells, a phenomenon termed emperipolesis.
Pierre Cunin, Peter A. Nigrovic
doaj   +1 more source

Classification of Cell-in-Cell Structures: Different Phenomena with Similar Appearance

open access: yesCells, 2021
A phenomenon known for over 100 years named “cell-in-cell” (CIC) is now undergoing its renaissance, mostly due to modern cell visualization techniques. It is no longer an esoteric process studied by a few cell biologists, as there is increasing evidence ...
Karol Borensztejn   +6 more
doaj   +1 more source

Non-Hodgkin's lymphoma with extensive emperipolesis mimicking Rosai–Dorfman disease: A rare case report

open access: yesIndian Journal of Pathology and Microbiology, 2019
Emperipolesis is the hallmark finding for Rosai-Dorfman disease. Till now many studies in literatures have shown emperipolesis as a finding in other benign as well as malignant conditions.
Sharada R Rane   +3 more
doaj   +1 more source

Megakaryocyte emperipolesis mediates membrane transfer from intracytoplasmic neutrophils to platelets

open access: yeseLife, 2019
Bone marrow megakaryocytes engulf neutrophils in a phenomenon termed emperipolesis. We show here that emperipolesis is a dynamic process mediated actively by both lineages, in part through the β2-integrin/ICAM-1/ezrin pathway.
Pierre Cunin   +13 more
doaj   +1 more source

Cell-in-Cell Events in Oral Squamous Cell Carcinoma

open access: yesFrontiers in Oncology, 2022
For over a century, cells within other cells have been detected by pathologists as common histopathological findings in tumors, being generally identified as “cell-in-cell” structures.
Leonardo de Oliveira Siquara da Rocha   +8 more
doaj   +1 more source

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