Review of platelet extravasation without reported outcomes or safety data

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Frontiers in Medicine Published May 22, 2026 Medically reviewed May 22, 2026 DOI ↗ By Dr. Amelia Tan, PhD · Internal Medicine & Chronic Disease

Key Takeaway

Note that this review lacks reported outcomes, safety data, or population details.

The provided source is identified as a review focusing on the issue of platelet extravasation. The scope of this review is defined by the specific exposure of platelet extravasation, though the broader context remains undefined in the available data. No specific population, setting, or sample size is described for this analysis. The review does not provide pooled effect sizes or qualitative conclusions because the necessary data points are absent from the input. Safety information, including adverse events and tolerability, was not reported for this topic. The authors did not explicitly note any limitations or funding sources associated with this review. Because the primary and secondary outcomes are not reported, the main results cannot be summarized. The practice relevance of these findings is not stated in the source material. Without specific data, the certainty of any conclusions regarding platelet extravasation management remains unknown. Clinicians should interpret this input with caution given the lack of quantitative evidence or qualitative synthesis.

Study Details

Study typeSystematic review

EvidenceLevel 1

PublishedMay 2026

View Original Abstract ↓

In recent years, evidence has accumulated highlighting the presence and role of platelet extravasation – wherein platelets accumulate in tissue parenchyma – at a variety of sites throughout the body. While platelets are traditionally known for their roles in hemostasis and thrombosis, it is evident that platelets are potent mediators of inflammation across an array of physiological and pathological contexts. While anucleate and small in size, platelets contain a rich diversity of molecules in their granules capable of modulating cell proliferation, tissue repair, and a host of immune responses. There is growing evidence that platelet extravasation out of the vascular space and into tissue parenchyma not only occurs in a host of pathological conditions, but it may also play a role in inflammation and disease progression. This review examines the evidence of platelet extravasation in a number of microvascular beds, including the skin, tumor, cortical, corneal, lung, and liver microvasculature, discussing mechanisms of extravasation and roles platelets play in these contexts. Understanding the dynamics and functional relevance of platelet extravasation may provide insight into novel therapeutic targets and lines of scientific inquiry into diseases and conditions affecting the microvasculature.