Journal of Hematopathology
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Concurrent CD5-negative small lymphocytic lymphoma (SLL) and CD5-positive metastatic carcinoma of unknown primary in a lymph node biopsy
Journal of Hematopathology - Tập 6 - Trang 45-50 - 2012
CD5 expression is considered a key marker for the diagnosis of chronic
lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL). We report an unusual
case of CD5-negative (CD5−) SLL with a concurrent CD5-positive (CD5+)
adenocarcinoma of unknown primary involving the same lymph node. An 83-year-old
woman with a history of CD5− B cell lymphoma diagnosed on a core biopsy of a
cervical lymph node pr...
Primary lymphomatous presentation of hairy cell leukemia as osteolytic vertebral lesions: a case report
Journal of Hematopathology - - 2018
Hairy cell leukemia (HCL) is a rare and indolent mature B cell neoplasm. Most
patients with HCL have excellent response to purine analogs and BRAF inhibitors.
Therefore, it is clinically important to identify and differentiate HCL from
other B cell neoplasms. HCL is predominantly found in the peripheral blood, bone
marrow, or spleen. HCL presenting initially or solely in unusual sites is
extremely...
Leishmania interaction with an osteoclast
Journal of Hematopathology - Tập 12 - Trang 105-106 - 2019
Visceral leishmaniasis is caused by an intracellular protozoan parasite,
Leishmania donovani. Frequently, a bone marrow aspirate can confirm the
diagnosis by showing intracellular forms of Leishmania amastigotes in
macrophages. Here we present a unusual interaction of Leishmania with an
osteoclast in the bone marrow.
Aberrant expression of CD56 on granulocytes and monocytes in myeloproliferative neoplasm
Journal of Hematopathology - Tập 6 - Trang 127-134 - 2013
We reviewed CD56 expression on bone marrow (BM) granulocytes and monocytes by
flow cytometry in 101 cases of myeloproliferative neoplasm (MPN) and compared
them with those from 42 cases of myelodysplastic syndrome (MDS), 47 cases of
negative BM after stem cell transplantation, and 24 cases of negative BM after
chemotherapy. Forty cases of negative staging BM for lymphoma were used as
negative cont...
Erratum to: Two morphologically and immunophenotypically distinct cell populations within a composite lymphoma arise from a common precursor
Journal of Hematopathology - Tập 4 - Trang 183-183 - 2011
A rare case of fluid overload-associated large B-cell lymphoma and antigen loss at relapse
Journal of Hematopathology - Tập 16 - Trang 235-240 - 2023
Fluid overload-associated large B-cell lymphoma (FO-LBCL) is a new addition to
the list of large B-cell lymphomas in the 5th edition of the World Health
Organization Classification of Haematolymphoid Tumours (WHO-HAEM5). This report
presents an unusual case of FO-LBCL with partial B cell antigen loss at relapse
and reviews the characteristics, treatment, and prognosis of these patients to
enhance ...
Novel developments in the pathogenesis and diagnosis of extranodal marginal zone lymphoma
Journal of Hematopathology - Tập 10 - Trang 91-107 - 2017
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 ...
Ectopic extra-nodal in situ follicular neoplasia (ISFN)
Journal of Hematopathology - Tập 9 - Trang 151-153 - 2016
Epstein–Barr virus expression in plasma cell neoplasms and its association with plasmablastic morphologic features
Journal of Hematopathology - Tập 6 - Trang 213-218 - 2013
Plasma cell neoplasms include plasma cell myeloma, plasmacytoma, primary
amyloidosis, and light and heavy chain deposition diseases. Epstein–Barr virus
(EBV) expression has rarely been reported to be associated with plasma cell
neoplasms except for patients with a previous history of transplantation or
severe immunodeficiency. In contrast, EBV expression has been reported in the
majority of plasma...
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