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ArticleMedical molecular morphology2026

EWSR1-SMAD3-rearranged fibroblastic tumor: a case report with literature review.

Guanghong Yang, Zhenwei Chen, Yuanli Zhong, Liqian Hu, Baizhou Li

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Article in Medical molecular morphology, 2026. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

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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

5 authors.

Guanghong YangDepartment of Pathology, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, Zhejiang, China.ORCID http://orcid.org/0009-0009-7725-1805
Zhenwei ChenDepartment of Pathology, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, Zhejiang, China.
Yuanli ZhongDepartment of Pathology, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, Zhejiang, China.
Liqian HuDepartment of Pathology, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, Zhejiang, China.
Baizhou LiDepartment of Pathology, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, Zhejiang, China. libaizhou@zju.edu.cn.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This paper discusses an EWSR1-SMAD3-rearranged fibroblastic tumor (ESFT) occurring in the wrist of a 5-year-old child and summarizes its clinicopathological features, immunohistochemical phenotype, and molecular characteristics to improve the accuracy of clinical diagnosis. A retrospective analysis was performed on the clinical manifestations, histopathology, immunohistochemical phenotype, and molecular characteristics of a 5-year-old patient with recurrent ESFT. Additionally, this paper presents a literature review of relevant studies on ESFT. Among the 21 cases of ESFT, including the present case, the disease primarily affects young and middle-aged adult females, with most tumors measuring 1-2 cm in diameter. It preferentially occurs in the soft tissues of the distal extremities-particularly the foot-and exhibits low-grade invasiveness. Histomorphologically, the tumor is composed of uniform spindle-shaped fibroblasts arranged in fascicular and interlacing patterns, with no prominent nucleoli or mitotic figures. A zonation pattern, focal microcalcification, and interstitial myxoid change are observed in some cases. Immunohistochemistry reveals diffuse, strong ERG expression in tumor cells; FISH molecular detection shows EWSR1 break-apart; and NGS results confirm EWSR1-SMAD3 rearrangement. ESFT is a benign neoplasm with a risk of local recurrence. It exhibits complex histomorphological features but demonstrates diffuse, strong immunoreactivity for ERG on immunohistochemistry and harbors characteristic genetic alterations.

Indexed as

EWSR1Fibroblastic neoplasmGene rearrangementSMAD3Soft tissue neoplasm

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.