Evidence map›Paper›PMID 41393975›Full record

ArticleInternational journal of clinical and experimental pathology2025

Splenic megakaryocyte density in immune thrombocytopenia: insights from a histologic analysis of splenectomy specimens.

Kei Koyama, Hikaru Tsukita, Ken Miyabe, Makoto Yoshida, Yukitsugu Kudo-Asabe, Michinobu Umakoshi, Masato Sageshima, Tomoko Yoshioka, Toshiki Wakabayashi, Tsutomu Sato and 10 more

Abstract read
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Article in International journal of clinical and experimental pathology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

20 authors.

Kei KoyamaDepartment of Cellular and Organ Pathology, Graduate School of Medicine, Akita University Akita, Japan.
Hikaru TsukitaDepartment of Cellular and Organ Pathology, Graduate School of Medicine, Akita University Akita, Japan.
Ken MiyabeDepartment of Cellular and Organ Pathology, Graduate School of Medicine, Akita University Akita, Japan.
Makoto YoshidaDepartment of Cellular and Organ Pathology, Graduate School of Medicine, Akita University Akita, Japan.
Yukitsugu Kudo-AsabeDepartment of Cellular and Organ Pathology, Graduate School of Medicine, Akita University Akita, Japan.
Michinobu UmakoshiDepartment of Cellular and Organ Pathology, Graduate School of Medicine, Akita University Akita, Japan.
Masato SageshimaDivision of Diagnostic Pathology, Akita City Hospital Akita, Japan.
Tomoko YoshiokaDepartment of Hematology and Nephrology, Akita City Hospital Akita, Japan.
Toshiki WakabayashiDepartment of Gastroenterological Surgery, Akita City Hospital Akita, Japan.
Tsutomu SatoDepartment of Gastroenterological Surgery, Akita City Hospital Akita, Japan.
Masato TakahashiDepartment of Pathology, Akita Kousei Medical Center Akita, Japan.
Toshiki SasakiDepartment of Pathology, Akita Kousei Medical Center Akita, Japan.
Tatsuo SugiyamaDepartment of Pathology, Akita Kousei Medical Center Akita, Japan.
Atsushi KitabayashiDepartment of Hematology, Akita Kousei Medical Center Akita, Japan.
Reijiro SaitoDepartment of Gastroenterological Surgery, Akita Kousei Medical Center Akita, Japan.
Satoshi ShibataDepartment of Gastroenterological Surgery, Akita Kousei Medical Center Akita, Japan.
Hiroshi NanjoDivision of Clinical Pathology, Akita University Hospital Akita, Japan.
Naoto TakahashiDepartment of Hematology, Nephrology, and Rheumatology, Graduate School of Medicine, Akita University Akita, Japan.
Junichi AritaDepartment of Gastroenterological Surgery, Graduate School of Medicine, Akita University Akita, Japan.
Akiteru GotoDepartment of Cellular and Organ Pathology, Graduate School of Medicine, Akita University Akita, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesImmune thrombocytopenia (ITP) is an autoimmune disorder characterized by platelet destruction, for which multiple pathogenic mechanisms have been proposed. However, the spleen, as the principal site of platelet clearance, plays a pivotal role in its pathogenesis. The objective of this study was to evaluate the histopathologic features of splenectomy specimens in patients with ITP, with a particular emphasis on the presence of megakaryocytes (MKCs) in the spleen and their relationship with clinical factors.

methodsWe examined spleen specimens from 16 patients with ITP and 10 controls, analyzing several aspects, including MKC density, white pulp (WP) histology, and immune cell markers.

resultsThere was a higher MKC density in the spleens of patients with ITP in comparison to control spleens (

conclusionsThese findings suggest that elevated MKC density in the spleens of patients with ITP may reflect distinct pathophysiologic pathways, possibly involving B cell-independent mechanisms. MKC density may serve as a simple and practical histologic marker for evaluating disease severity in patients with ITP.

Indexed as

extramedullary hematopoiesishistopathologyImmune thrombocytopenia (ITP)megakaryocytespleenwhite pulp

Identifiers

PMID41393975
PMCPMC12696508

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