5,499 results found
Case
Anterior communicating artery fenestration
![](https://prod-images-static.radiopaedia.org/images/22770/c883c80460b3d31133c482d5858f2c39a80673576243b6fa856bab1c52c6a4da_thumb.jpeg)
Published
16 May 2015
36% complete
CT
Case
Normal leg angiogram
![](https://prod-images-static.radiopaedia.org/images/66335362/a857c3ebc9dd5d4187b8b477cb9803dcd877527a491129bcf1189afa05acb64c_thumb.jpeg)
Published
06 Jun 2024
25% complete
DSA (angiography)
Article
Retiform hemangioendothelioma
Retiform hemangioendotheliomas or hobnail hemangioendotheliomas are intermediate locally aggressive and rarely metastasizing vascular neoplasms with a distinctive hobnail endothelial cell morphology.
Epidemiology
Retiform hemangioendotheliomas are rare with <100 cases reported in the literatur...
Case
Metastatic malignant melanoma
![](https://prod-images-static.radiopaedia.org/images/17735483/aba2e9cf911628101a7b0da8bfe059_thumb.jpeg)
Published
28 Nov 2015
92% complete
MRI
CT
Pathology
Case
Superior ophthalmic vein thrombosis
![](https://prod-images-static.radiopaedia.org/images/55792259/CT_BRAIN_PERFUSION_0016_thumb.jpeg)
Published
31 Aug 2021
92% complete
CT
Article
Lemierre syndrome
Lemierre syndrome (also known as postanginal septicemia) refers to thrombophlebitis of the internal jugular vein(s) with distant metastatic anaerobic septicemia in the setting of initial bacterial oropharyngeal infection such as pharyngitis/tonsillitis into lateral pharyngeal spaces of the neck ...
Case
Aneurysmal double aortic arch
![](https://prod-images-static.radiopaedia.org/images/504581/339ca5b271556874c5fd61ba97fa08_thumb.jpg)
Published
14 Jul 2010
77% complete
CT
Case
Left vocal cord paralysis secondary to pseudocoarctation of the aorta
![](https://prod-images-static.radiopaedia.org/images/23948380/be11cdc4a6c12a130c01adbf690c50_thumb.jpeg)
Published
08 Jul 2016
77% complete
CT
X-ray
Article
Azygos vein
The azygos vein is a unilateral vessel that ascends in the thorax to the right of the vertebral column, carrying deoxygenated blood from the posterior chest and abdominal walls. It forms part of the azygos venous system.
Terminology
The spelling azygous when referring to the vein is incorrect,...
Case
Median arcuate ligament syndrome
![](https://prod-images-static.radiopaedia.org/images/20032496/0b776d72a52d6d3d4967adfd6873b19437cb037ea12aa74c58c3a020c625fcf0_thumb.jpeg)
Published
16 Mar 2016
80% complete
CT
DSA (angiography)
Case
Abdominal aortic aneurysm
![](https://prod-images-static.radiopaedia.org/images/52328932/d110794838dde7b5943b42fa9de883d2bcd863edf7534fece165a69e710a021b_thumb.jpeg)
Published
21 Nov 2012
65% complete
CT
Case
Portal venous varix
![](https://prod-images-static.radiopaedia.org/images/59463410/b6232a8b4eb269d62421eda406366a818dd331e8821aa2e5b0a8e671a01708d6_thumb.jpeg)
Published
07 Sep 2022
89% complete
CT
Article
Adrenal vein sampling
Adrenal vein sampling (AVS) is a procedure where blood is collected from the adrenal veins via catheter to confirm autonomous hormone production, if it is unilateral or bilateral, and to guide further treatment 1. If unilateral, the adrenal gland can be removed by surgery; thus curing secondary ...
Case
Cerebellar hemorrhage secondary to arteriovenous malformation
![](https://prod-images-static.radiopaedia.org/images/17194756/cb42627c65c52a00163d4183df2e4e_thumb.jpeg)
Published
06 Nov 2015
92% complete
CT
DSA (angiography)
Case
Infantile hemangioendothelioma of the parotid and orbit
![](https://prod-images-static.radiopaedia.org/images/52769058/b602317fa59045733ac3bd9f0425da55bf0a093d90ade345b3626ab6f0fcc3cc_thumb.jpeg)
Published
27 Jun 2020
80% complete
Ultrasound
MRI
Case
Azygos continuation of the inferior vena cava
![](https://prod-images-static.radiopaedia.org/images/34309101/7d5353f035012c7ebaae6e6c9ee94cd9507afc82da29687ecf26ac20727804be_thumb.jpeg)
Published
06 Dec 2017
84% complete
CT
Case
Congenital pulmonary arteriovenous malformation
![](https://prod-images-static.radiopaedia.org/images/1071/5381e522f03e0979909f866bb77c99_thumb.jpeg)
Published
12 May 2015
48% complete
CT
Article
Mickey Mouse sign (disambiguation)
In medical imaging, a Mickey Mouse sign or appearance has been given to imaging features that mimic Mickey Mouse when viewed from the front. It has been described in the following:
anencephaly 2
progressive supranuclear palsy 1
synonymously with a finger in glove sign
the flared shape of the...
Case
Rastelli procedure
![](https://prod-images-static.radiopaedia.org/images/18913334/163aeb6d8740f2e2ea55619b131c50_thumb.jpeg)
Published
16 Jan 2016
95% complete
CT
Article
Ductus diverticulum
Aortic ductus diverticulum is a developmental outpouching of the thoracic aorta which may be mistaken for an acute aortic injury.
Gross anatomy
It is usually seen at the anteromedial aspect of the aorta at the site of the aortic isthmus, where the ligamentum arteriosum attaches. It is also the...