Items tagged “variant”
426 results found
Case
Persistent metopic suture
Published
10 Mar 2014
92% complete
CT
Case
Os subfibulare
Published
11 Mar 2014
72% complete
X-ray
Case
Septal aperture
Published
13 Mar 2014
79% complete
X-ray
Case
Left minor fissure
Published
11 Mar 2014
50% complete
X-ray
Case
Left minor fissure
Published
11 Mar 2014
42% complete
CT
Case
Bilateral atlanto-occipital assimilation
Published
25 Mar 2014
92% complete
CT
Article
Atlanto-occipital assimilation
Atlanto-occipital assimilation is the fusion of the atlas (C1) to the occiput and is one of the transitional vertebrae.
Epidemiology
Atlanto-occipital assimilation occurs in approximately 0.5% (range 0.08-3%) of the population 2-5. It is thought to affect males and females equally.
Associati...
Case
Episternal ossicles
Published
30 Mar 2014
78% complete
CT
Annotated image
Case
Septal aperture
Published
31 Mar 2014
79% complete
X-ray
Article
Olecranon foramen
An olecranon foramen, also known as septal aperture or supratrochlear foramen, is a common normal anatomical variant of the distal humerus.
Epidemiology
There is a wide variation of incidence, occurring between 5% to 50% of the population depending on ethnicity, being more common in individua...
Case
Traumatic bowel and mesenteric injuries
Published
05 Apr 2014
95% complete
CT
Annotated image
Case
Uterus didelphys
Published
27 Apr 2014
48% complete
MRI
Case
Sprengel deformity
Published
22 Sep 2014
89% complete
CT
X-ray
Article
Supernumerary teeth
Supernumerary teeth (hyperdontia) are teeth additional to the standard primary or permanent dentition.
Terminology
The term supplemental tooth may be used when the supernumerary tooth resembles its associated normal tooth and the term peridens may be used for an ectopically erupted (e.g. bucca...
Article
Hypodontia
Hypodontia, also known as oligodontia or adontia, refers to the developmental failure of one or more teeth, excluding the third molars.
Terminology
The phenomenon of non-development of teeth has been described using several terms including 'hypodontia', 'oligodontia' and 'adontia'. The descrip...
Article
Patella cubiti
Patella cubiti, also known as os sesamoideum tricipitale is a very rare anomaly of the elbow, presenting as a sesamoid within the distal triceps brachii tendon. Its exact etiology is unknown with congenital, developmental and post-traumatic theories postulated 1.
Clinical presentation
May be ...
Article
Gastric diverticulum
Gastric diverticula are sac-like projections that usually originate from the gastric fundus, most commonly on the posterior surface. They are the least common of the gastrointestinal diverticula.
Epidemiology
Gastric diverticula are rare and commonly detected incidentally. The incidence varie...
Article
Esophageal bronchus
Esophageal bronchus, a.k.a. communicating bronchopulmonary foregut malformation, refers to the rare occurrence where a bronchus arises directly from the esophagus.
Epidemiology
It is more common in females with a M:F of 1:2 2.
Gross anatomy
Esophageal bronchi may be the main bronchus, which...
Case
Duplicated distal phalanx of great toe
Published
19 Aug 2014
79% complete
X-ray
Case
Vertebral artery partial duplication
Published
29 Aug 2014
56% complete
CT
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