121,281 results
Article
Pseudokidney sign (colonic carcinoma)
The pseudokidney sign is a non-specific sonographic sign that describes the reniform shape of a mass with a hypoechoic region (representing bowel wall thickening) surrounding a central hyperechoic portion or echogenic stripe (which represents the apposition of the mucosal surfaces) 1,2.
It can...
Case
Chordoma
![](https://prod-images-static.radiopaedia.org/images/411291/9a2b9d35666581c3a001f74cee2c9b8ce39d55a9e5fa30b9926d32d939a7d45a_thumb.jpeg)
Published
08 Apr 2010
75% complete
CT
MRI
Case
Aspergilloma
![](https://prod-images-static.radiopaedia.org/images/58995277/b33cee9b813f7551f4c73b3a094230e6e7ca7975a8b22ca142bb62c4ce46f50b_thumb.jpeg)
Published
30 Jun 2022
89% complete
X-ray
CT
Article
Emphysematous osteomyelitis
Emphysematous osteomyelitis is an extremely rare form of osteomyelitis which is complicated by infection with gas-forming organisms. Only a handful of cases are published in the literature.
Pathology
Commonly reported organisms include 1
Fusobacterium necrophorum
Escherichia coli 4
Bacter...
Case
Eggshell calcifications - breast
![](https://prod-images-static.radiopaedia.org/images/60057429/57b383c607e78f37dacf596b78c08db4275a722d8fe969af3b64a92e89be6ba8_thumb.jpeg)
Published
07 Nov 2022
94% complete
Mammography
Article
Arthroplasty
Arthroplasty is a procedure that reconstructs or reforms the articular surface of a joint. There are numerous types of arthroplasty that range from complete replacement of all sides of the joint (total joint replacement) or one articular surface (hemiarthroplasty) with various combinations of me...
Article
Pseudokidney sign (disambiguation)
The pseudokidney sign is used to describe more than one radiological pathology.
pseudokidney (intussuception)
pseudokidney (colonic carcinoma)
Playlist
Intracranial calcifications
![](https://prod-images-static.radiopaedia.org/images/61096309/ab0c9e8a31433a50761af746cf83f6a1b8fbce47752fe337949660db0da29509_tiny.jpeg)
1 case
No description provided
Playlist
Intraventricular brain lesions
![](https://prod-images-static.radiopaedia.org/images/61022170/4d19fb47877b7e4ff01b531afa9b562a5d237a30fec7e5ebf6cca65303b79300_tiny.jpeg)
1 case
No description provided
Playlist
Pediatric abdomen
![](https://prod-images-static.radiopaedia.org/images/64092857/14e07f455175a49218369fceb79e9119d88c4951faf3114eed52e9e5f0ee34fb_tiny.jpeg)
![](https://prod-images-static.radiopaedia.org/images/64098806/bfe3357564bfecf8b7b5ca103c1cfa4c9740fabd8e6f8377fc5184c6f2214bd9_tiny.jpeg)
![](https://prod-images-static.radiopaedia.org/images/64324689/62eef7ff0aac7a4b078df52cdc6b75126e4f51ecf99dae84a69cf48a4cca4f66_tiny.jpeg)
![](https://prod-images-static.radiopaedia.org/images/65280908/d633d5f4b87f81f063fd04dcbf175171fa861ecadcb3164b8570f4549df068f6_tiny.jpeg)
8 cases
No description provided
Case
Beaver tail liver and Riedel lobe
![](https://prod-images-static.radiopaedia.org/images/53490641/1.3.12.2.1107.5.1.4.69925.30000020081212460865600001929_thumb.jpeg)
Published
12 Sep 2020
92% complete
CT
Case
Left orbital abscess
![](https://prod-images-static.radiopaedia.org/images/36548336/f7eb8b35ec5519cdf6a0fab329f500_thumb.jpeg)
Published
02 Mar 2018
53% complete
CT
Case
Carotid body tumor
![](https://prod-images-static.radiopaedia.org/images/62363197/cf402eadee3dccdd8730d4777067251996236ebbba299ee66adfb435adc64559_thumb.jpeg)
Published
11 May 2023
68% complete
CT
Case
Abducens nerve on MRI
![](https://prod-images-static.radiopaedia.org/images/1833687/4aa907be3ab01fd813246bbd4846d1_thumb.jpeg)
Published
09 Apr 2012
95% complete
MRI
Case
Brain contusions, internal carotid artery dissection and base of skull fracture
![](https://prod-images-static.radiopaedia.org/images/10872561/ee2725522b6ccf862d59305494a01f_thumb.jpeg)
Published
11 Feb 2015
95% complete
CT
Case
Astrocytoma, IDH-mutant
![](https://prod-images-static.radiopaedia.org/images/20565646/7ab7b68197f84633abe17ab394b3aa_thumb.jpeg)
Published
22 Mar 2016
89% complete
MRI
CT
Case
Medial elbow snapping
![](https://prod-images-static.radiopaedia.org/images/59587322/4f1ca550f8fce1416c88077e987a622141aeb1c30efca5f1c4eb57f36454e4c2_thumb.jpeg)
Published
10 Sep 2022
91% complete
Annotated image
Ultrasound
Case
Celiacomesenteric trunk
![](https://prod-images-static.radiopaedia.org/images/48186411/f6d2d91ad4612b32b707ee8798415a509065d0643e5891f8e5bf3fdb7c619a12_thumb.jpeg)
Published
18 Apr 2019
92% complete
CT
Annotated image
Case
Primary CNS lymphoma
![](https://prod-images-static.radiopaedia.org/images/61002078/14673a795096ca4f9efdd14e150ef783abeb9f08c6d9caafa804507093cd0c66_thumb.jpeg)
Published
01 Feb 2023
98% complete
CT
MRI
Article
Neonatal hydronephrosis
Neonatal hydronephrosis is most commonly diagnosed antenatally as fetal pylectasis, and in the majority of cases is due to pelviureteric junction (PUJ) obstruction.
Pathology
Etiology
pelviureteric junction (PUJ) obstruction (50% of cases 1,6)
vesicoureteric reflux (~20% of cases 5)
poste...