Hypertrophic decidual vasculopathy
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In pathology, hypertrophic decidual vasculopathy, abbreviated HDV, is the histomorphologic correlate of gestational hypertension, as may be seen in intrauterine growth restriction (IUGR)[1] and HELLP syndrome.
The name of the condition describes its appearance under the microscope; the smooth muscle of the decidual (or maternal) blood vessels is hypertrophic, i.e. the muscle part of the blood vessels feeding the placenta is larger due to cellular enlargement.