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Mickey Mouse sign is a medical sign resembling the head of Mickey Mouse, the Walt Disney character. Presented for the very first time at the CHIVA's Meeting, Berlin 2002 by Dr. Lurdes Cerol, [citation needed] this sign has been described as the image at the groin when a dilated accessory saphenous vein (ASV) exists: the common femoral vein (CFV) represents the head of Mickey Mouse while the ...
ASV at sapheno-femoral junction, the "Mickey Mouse sign" The accessory saphenous vein (ASV), either anterior or posterior, is an important GSV collateral frequently responsible for varicose veins located on the anterior and lateral aspect of the thigh. [27] The anterior ASV is more anterior than the ASV and is outside the femoral vessels plan.
Double decidual sign; Double density sign; Double duct sign; ... Mercedes Benz sign; Mickey Mouse ears; ... Target sign (Ultrasound) Teacup calcification (breast) ...
The portal triad consists of the hepatic artery, the portal vein, and the common bile duct. [25] The triad may be seen on a liver ultrasound, as a Mickey Mouse sign with the portal vein as the head, and the hepatic artery, and the common bile duct as the ears. [26]
The double duct sign is a radiological finding characterized by the simultaneous dilation of the common bile duct and the main pancreatic duct.This sign is significant because it often indicates an obstruction in the distal bile duct and pancreatic duct, frequently caused by serious underlying pathologies such as pancreatic carcinoma or periampullary tumors. [1]
It is formed by the union of the right hepatic duct (which drains bile from the right functional lobe of the liver) and the left hepatic duct (which drains bile from the left functional lobe of the liver). [3] The duct is about 3 cm long. [4] The common hepatic duct is about 6 mm in diameter in adults, with some variation. [5]
The bile duct is some 6–8 cm long, and normally up to 8 mm in diameter. [4]Its proximal supraduodenal part is situated within the free edge of the lesser omentum.Its middle retroduodenal part is oriented inferiorly and right-ward, and is situated posterior to the first part of the duodenum, and anterior to the inferior vena cava.
It shows a mildly dilated common bile duct with what appears to be a gallstone (black arrow). The green and blue dots are blood flow, since the exam is done as a Doppler ultrasound to distinguish the bile duct from blood vessels.