Gyrus - Figure 1. Mickey mouse sign seen on a CT scan, ballooning of the frontal horns of the lateral ventricles and dilatation of the third ventricle. Source: Mohamed M.A. Zaitoun. Diagnostic
![Amar Chotai on Twitter: "Midbrain Atrophy in keeping with PSP. This is shown by the 'Mickey Mouse Sign!' #FOAMrad #FOAMed #MedEd #radres #radreg #radiology https://t.co/qpPwnka8Fq" / Twitter Amar Chotai on Twitter: "Midbrain Atrophy in keeping with PSP. This is shown by the 'Mickey Mouse Sign!' #FOAMrad #FOAMed #MedEd #radres #radreg #radiology https://t.co/qpPwnka8Fq" / Twitter](https://pbs.twimg.com/media/Dy6_uSVXgAA-K94.jpg)
Amar Chotai on Twitter: "Midbrain Atrophy in keeping with PSP. This is shown by the 'Mickey Mouse Sign!' #FOAMrad #FOAMed #MedEd #radres #radreg #radiology https://t.co/qpPwnka8Fq" / Twitter
![POCUS 101 on Twitter: "(9/) Identify the "Mickey Mouse Sign" which is the portal triad consisting of the Portal vein, Hepatic Artery, and Common Bile Duct. 🔗👉https://t.co/TPhAKXAFgK https://t.co/MytMwHRMPa" / Twitter POCUS 101 on Twitter: "(9/) Identify the "Mickey Mouse Sign" which is the portal triad consisting of the Portal vein, Hepatic Artery, and Common Bile Duct. 🔗👉https://t.co/TPhAKXAFgK https://t.co/MytMwHRMPa" / Twitter](https://pbs.twimg.com/media/Ela5oaZVgAEvI9M.png)
POCUS 101 on Twitter: "(9/) Identify the "Mickey Mouse Sign" which is the portal triad consisting of the Portal vein, Hepatic Artery, and Common Bile Duct. 🔗👉https://t.co/TPhAKXAFgK https://t.co/MytMwHRMPa" / Twitter
![NephroPOCUS on Twitter: "Remembering the Mickey Mouse head #POCUS sign 👇🏼 Important landmark for DVT assessment. #IMPOCUS #FOAMed https://t.co/Ed7vpzOfH1" / Twitter NephroPOCUS on Twitter: "Remembering the Mickey Mouse head #POCUS sign 👇🏼 Important landmark for DVT assessment. #IMPOCUS #FOAMed https://t.co/Ed7vpzOfH1" / Twitter](https://pbs.twimg.com/media/EmzOFhWXMAAly8q.jpg)