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Microvascular flow imaging is a new ultrasound technique with better ability than color Doppler imaging to identify small vessels that have slow blood flow, and it permits better evaluation of the features, especially microvascular architecture, of various lesions. We describe a case of inguinal hidradenitis suppurativa in a patient with positive risk factors (young age, female, smoker, and obese), diagnosed by ultrasonography using B-Mode, color Doppler, and finally also with microvascular flow imaging. Our aim is to demonstrate the usefulness of this new technique in characterization of lesions.

Portal vein thrombosis (PVT) is a common complication of liver cirrhosis and is often the first sign of undetected hepatocellular carcinoma. It is crucial to differentiate malignant from benign thrombosis in determining prognosis and treatment. We describe a case of malignant PVT, detected for the first time by a new ultrasound technology, microvascular flow imaging, which can depict low flow in small vessels.