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Related Concept Videos

Clot Retraction and Fibrinolysis01:16

Clot Retraction and Fibrinolysis

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After a fibrin clot is formed, the next step is clot retraction, a vital process facilitated by platelet contractile proteins, such as actin and myosin. These proteins pull the fibrin strands closer together and condense the clot. This action reduces the size of the clot, creating a smaller, denser structure that effectively seals off the damaged vessel. Clot retraction consolidates the clot and helps with wound healing by bringing the edges of the damaged blood vessel closer together.
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Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

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Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
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Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
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Cancer Therapies02:49

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Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
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Related Experiment Video

Updated: Dec 8, 2025

Evaluation of the Feasibility, Safety, and Accuracy of an Intraoperative High-intensity Focused Ultrasound Device for Treating Liver Metastases
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Hyperfibrinolysis in Patients with Solid Malignant Neoplasms: A Systematic Review.

Anne Winther-Larsen1,2, Birgitte Sandfeld-Paulsen1, Anne-Mette Hvas1,3

  • 1Thrombosis and Hemostasis Research Unit, Department of Clinical Biochemistry, Aarhus University Hospital, Aarhus, Denmark.

Seminars in Thrombosis and Hemostasis
|September 24, 2020
PubMed
Summary

Primary hyperfibrinolysis, a bleeding disorder, is a rare complication of solid malignant neoplasms. This systematic review highlights its association with metastatic prostate cancer and spontaneous subcutaneous bleeding, often treatable with antifibrinolytic agents.

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Experimental and Imaging Techniques for Examining Fibrin Clot Structures in Normal and Diseased States
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Experimental and Imaging Techniques for Examining Fibrin Clot Structures in Normal and Diseased States
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Area of Science:

  • Oncology
  • Hematology
  • Medical Research

Background:

  • Solid malignant neoplasms can disrupt the fibrinolytic system, causing primary hyperfibrinolysis.
  • Primary hyperfibrinolysis is a paraneoplastic syndrome associated with severe bleeding.
  • The full extent of primary hyperfibrinolysis in solid tumors remains unclear.

Purpose of the Study:

  • To systematically review clinical manifestations, diagnosis, and treatment of primary hyperfibrinolysis in solid malignant neoplasms.
  • To synthesize current literature on this rare but potentially fatal condition.

Main Methods:

  • Systematic literature review adhering to PRISMA guidelines.
  • Searched PubMed, Embase, Scopus, and Web of Science databases.
  • Included studies with fibrinolysis markers, D-dimer, and clinical outcome correlation.

Main Results:

  • Twelve case reports involving 21 patients were included.
  • Prostate cancer (76%) was most common, often metastatic (81%).
  • Spontaneous subcutaneous bleeding (76%) was the main presentation; antifibrinolytics were effective in 80%.

Conclusions:

  • Primary hyperfibrinolysis is a rare, life-threatening complication of solid tumors, particularly metastatic prostate cancer.
  • Consider this condition in patients with metastatic disease and spontaneous subcutaneous bleeding.
  • A standardized diagnostic approach is urgently needed.