Items tagged “variant”

559 results found
Case

Cervical thymus

 Diagnosis almost certain
Dr Mostafa El-Feky
Published 26 Feb 2019
79% complete
Ultrasound
Article

Chiari network

An uncommon anatomic variant present in the right atrium, a Chiari network refers to a filamentous, weblike structure that results from incomplete resorption of the embryologic sinus venosus. Epidemiology Prevalence estimates for the general population vary widely, ranging from 2% - 10% of ran...
Case

Castellvi classification - illustrations

 Diagnosis not applicable
Dr Matt Skalski
Published 25 Sep 2019
19% complete
Diagram
Case

Tracheal bronchus

 Diagnosis certain
Dr Ammar Haouimi
Published 08 Oct 2019
92% complete
CT
Case

Hangman fracture with incidental arcuate foramen

 Diagnosis certain
Alhasan Abdul Rahim Taresh
Published 04 May 2021
94% complete
X-ray
Case

Chiari I malformation with hydrosyringomyelia

 Diagnosis certain
Dr Akos Jaray
Published 21 Nov 2019
93% complete
MRI
Case

Accessory soleus muscle

 Diagnosis certain
Dr Magdalena Chmiel-Nowak
Published 15 Apr 2020
89% complete
MRI
Article

Anomalous insertion of the medial meniscus

Anomalous insertion of the medial meniscus (AIMM) is an anatomical variation of the insertion of the anterior root of the medial meniscus.   Terminology Defined as a congenital variation in the insertion of the anterior root of the medial meniscus onto the anterior cruciate ligament (ACL). The...
Case

Radial beak

 Diagnosis certain
Dr Daniel MacManus
Published 15 Aug 2020
94% complete
X-ray
Case

Talocalcaneal coalition - non-osseous

 Diagnosis certain
Dr Magdalena Chmiel-Nowak
Published 16 Jun 2020
92% complete
MRIX-ray
Case

Rhomboid fossa on both clavicles

 Diagnosis certain
Dr Ioannis Tsamis
Published 06 Oct 2020
94% complete
X-ray
Case

Accessory navicular bone - type II

 Diagnosis almost certain
Dr Ammar Haouimi
Published 09 Nov 2020
75% complete
X-ray
Case

Arachnoid granulation

 Diagnosis certain
Dr Naeem Naeem
Published 15 Dec 2020
89% complete
Annotated imageMRICT
Case

Normal both knees x-ray

 Diagnosis certain
Dr Naim K
Published 08 Mar 2021
85% complete
X-ray
Case

Convolutional markings

 Diagnosis not applicable
Dr Hector Rivera-Melo
Published 17 Mar 2021
50% complete
X-ray
Article

Honeycomb sterna

Honeycomb sterna are considered as a rare developmental variant of the sternum, resulting from unfused lateral ossification centers of the sternebrae, which gives a honeycomb configuration of the mesosternum. Usually asymptomatic and discovered incidentally during a routine exam of the chest.
Article

Absent azygos vein

An absent azygos vein is a very uncommon variant in which the azygos vein fails to develop. In cases of agenesis of the azygos vein, the hemiazygos and accessory hemiazygos veins play an important role in venous drainage, accounting for drainage of both the right and left intercostal veins 1-3. ...
Case

Hoffa fat pad herniation

 Diagnosis almost certain
Dr Ammar Haouimi
Published 06 Sep 2021
77% complete
MRI
Case

Variant trunks of the anterior external carotid artery branches (diagram)

 Diagnosis not applicable
Travis Fahrenhorst-Jones
Published 12 Sep 2021
44% complete
Diagram