CTICasesType 3 chronic thromboembolic pulmonary hypertension (CTEPH)
[...]. Type 3 chronic thromboembolic pulmonary hypertension (CTEPH). CTICases. Published September 6, 2019. https://str-case-explorer.pages.dev/c/3pqv8
Imaging findings
Chest radiograph shows irregular, abnormal pulmonary vessels and cardiomegaly. CT shows mosaic perfusion and right ventricular hypertrophy. Pulmonary endarterectomy retrieved very little central clot, confirming type 3 disease (predominantly small vessel disease).
Key takeaways
CTEPH is classified into types based on the location of the thromboembolic disease. Type 3 represents distal, small-vessel disease where surgical endarterectomy has limited utility, and patients may not experience significant hemodynamic benefit compared to type 1 or 2 central disease.
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