Case Report: Trousseau syndrome presenting as multifocal cerebral infarctions in advanced gastric signet-ring cell carcinoma: tumor burden–driven hypercoagulability
By
Haocheng Zhao
Shanshan Lin
Wenye Huang
July 15, 2026
Clinical Scorecard: Case Study: Trousseau Syndrome Manifesting as Multiple Cerebral Infarcts in Advanced Signet-Ring Cell Carcinoma of the Stomach: Hypercoagulability Induced by Tumor Load
At a Glance
Category Detail
Condition Malignancy-associated hypercoagulability
Key Mechanisms Tumor-derived tissue factor expression, cancer procoagulant activity, mucin-mediated platelet aggregation, systemic inflammatory responses
Target Population Patients with advanced gastric signet-ring cell carcinoma
Care Setting Oncology and neurology departments
Key Highlights
Advanced gastric signet-ring cell carcinoma can lead to multiple cerebral infarcts. D-dimer levels are markedly elevated in malignancy-associated hypercoagulability. Anticoagulation may not prevent thrombotic events in advanced cancer. Effective tumor-directed therapy may reduce hypercoagulability. Multidisciplinary intervention is essential for optimal management.
Guideline-Based Recommendations
Diagnosis
Consider malignancy-associated hypercoagulability in patients with advanced cancer presenting with thromboembolic events.
Management
Initiate anticoagulation in patients with malignancy-associated thromboembolic complications.
Monitoring & Follow-up
Regularly assess D-dimer levels to evaluate coagulation status.
Risks
Patients with advanced malignancies are at increased risk for arterial thrombotic events despite anticoagulation.
Patient & Prescribing Data
76-year-old male with advanced gastric signet-ring cell carcinoma
Anticoagulation with enoxaparin sodium was initiated after stabilization of gastrointestinal bleeding.
Clinical Best Practices
Monitor D-dimer levels in patients with advanced malignancies. Consider systemic chemotherapy as part of the management strategy for hypercoagulability. Implement early multidisciplinary interventions for neurological and oncologic management.
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