Items tagged “variants”

39 results found
Case

Cavum vergae and cavum septum pellucidum

 Diagnosis almost certain
Dr David Cuete
Published 25 May 2013
77% complete
CT
Article

Cyamella

A cyamella is a rare sesamoid bone that exists as a normal variant within the popliteus tendon, characteristically located at the lateral aspect of the distal femur in the popliteal groove. Cyamella is best seen on the AP view of plain radiograph as opposed to fabella, which is best appreciated...
Case

Right aortic arch: mirror-image branching

 Diagnosis certain
Dr Ahmed Abdrabou
Published 16 Dec 2013
95% complete
CT
Case

Tracheal bronchus

 Diagnosis certain
Dr David Cuete
Published 21 Feb 2014
86% complete
CT
Case

Episternal ossicles

 Diagnosis certain
Dr David Cuete
Published 08 Mar 2014
87% complete
CT
Article

Episternal ossicles

Episternal (or suprasternal) ossicles are accessory bones and a normal variant of the sternum. They result from supernumerary ossification centers and are seen in ~4% (range 1-7%) of the population. Gross anatomy Episternal ossicles are usually located posterior or superior to the superior bor...
Article

Cerebellar agenesis

Cerebellar agenesis is a rare congenital abnormality which can result from failure to develop normal cerebellar tissue or destruction of normally developed tissue. For a more general overview of cerebellar malformations, please refer to the article on classification systems for malformations of...
Case

Ectopic pancreatic tissue

 Diagnosis almost certain
Dr Jens Christian Fischer
Published 09 Oct 2014
70% complete
MRICTAnnotated image
Case

Double superior vena cava

 Diagnosis certain
Dr Craig Hacking
Published 23 Apr 2015
95% complete
CT
Case

Intra-atrial course of the right coronary artery

 Diagnosis certain
Dr Craig Hacking
Published 30 Apr 2015
89% complete
CT
Article

Inter-arterial course of the right coronary artery

Inter-arterial course of the right coronary artery (RCA), also known as a malignant variant, may occur if the right coronary artery has an aberrant origin from the the left coronary sinus. It is an uncommon anomaly with potential risk of cardiac ischaemia. When the right coronary artery arises ...
Case

Os calcaneus secundarius

 Diagnosis certain
Dr Craig Hacking
Published 06 May 2015
89% complete
CTX-ray
Article

Interarterial course of the left coronary artery

The interarterial course of the left coronary artery, also known as the malignant course of the left coronary artery, is defined as the origin of the left main or left anterior descending coronary artery from the right coronary sinus of Valsalva with a course between the ascending aorta and the ...
Case

Common origin of superior mesenteric and coeliac arteries

 Diagnosis certain
Dr Craig Hacking
Published 08 Sep 2015
80% complete
CT
Case

Duplex kidney with ectopic ureter

 Diagnosis certain
Dr Mahmoud Yacout Alabd
Published 19 Oct 2015
92% complete
CT
Case

C1 posterior arch anomalies diagram: Currarino classification

 Diagnosis not applicable
Dr Matt Skalski
Published 14 Sep 2017
19% complete
Diagram
Case

Vertebral artery variant: external carotid artery origin

 Diagnosis certain
Dr Brian Gilcrease-Garcia
Published 27 Sep 2017
95% complete
CT
Case

Fenestration of vertebral artery

 Diagnosis certain
Dr Shiran Levy
Published 13 Feb 2018
74% complete
CT
Case

Arcs of Buhler and Riolan

 Diagnosis certain
Dr Alex Jarema
Published 19 Feb 2018
92% complete
CT

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