Items tagged “variant”
428 results
Case
Aplastic posterior tibial arteries
Published
03 Mar 2023
92% complete
CT
Case
Irregular phalanx - foot
Published
26 Apr 2023
88% complete
X-ray
Article
Normal variant of femoral condyle ossification
Normal variant of femoral condyle ossifications occurs due to variability of endochondral ossification of articular cartilage and can be easily confused with osteochondritis dissecans.
Epidemiology
more often in boys (mean age of ~8 years) than in girls 1
often bilateral 1,2
typically locat...
Article
Basilar process
The basilar process, also known as the mammillar or papillar process, is a rare anatomical variant of the occipital bone that is part of the spectrum of occipital vertebrae 1.
Epidemiology
The basilar process is a rare variant, with a reported prevalence of 4% 2.
Clinical presentation
A basi...
Article
Prebasioccipital arch
The prebasioccipital arch is a rare anatomical variant of the occipital bone that is part of the spectrum of occipital vertebrae 1.
Epidemiology
The prebasioccipital arch is a very rare variant; one study reported a prevalence of 0.025% 2.
Clinical presentation
The prebasioccipital arch is a...
Case
Phrygian cap (gallbladder variant)
Published
10 Nov 2023
44% complete
Diagram
Case
Prominent transmediastinal artery - testis
Published
14 May 2024
66% complete
Ultrasound
Case
Congenital absence of internal carotid artery with pituitary macroadenoma
Published
15 Jun 2024
77% complete
CT
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