Items tagged “signs”
75 results found
Case
CT angiogram sign - pulmonary lymphoma
Published
13 Jan 2013
77% complete
CT
Case
Dense cerebellum sign
Published
20 Apr 2013
95% complete
CT
Case
Disappearing basal ganglia sign
Published
05 Sep 2013
98% complete
MRI
CT
Article
CT comma sign (head)
The CT comma sign is a characteristic sign seen in head trauma. It is the presence of concurrent epidural and subdural hematomas, which gives the characteristic appearance of this sign as a "comma" shape.
Article
Shmoo sign
Shmoo sign refers to the appearance of a prominent, rounded left ventricle and dilated aorta on a plain PA chest radiograph giving the appearance of Shmoo, a fictional cartoon character in the comic strip Li'l Abner, which first appeared in 1948 5. This sign is indicative of left ventricular enl...
Case
Liver hemangioma - with light bulb sign
Published
05 Dec 2013
56% complete
MRI
CT
Article
Snowcap sign (osteonecrosis)
Snowcap sign, or snowcapping, is defined as the appearance of dense sclerosis over the head of the humerus or femur in cases of osteonecrosis as seen on plain radiographs, which resembles a snowcapped mountain.
Case
Hummingbird appearance in midbrain atrophy
Published
29 Jan 2014
59% complete
MRI
Article
Sandwich sign (Marchiafava-Bignami disease)
The sandwich sign of Marchiafava-Bignami disease has been described for the appearance of the central layers of the corpus callosum which are preferentially involved by this disease.
T2 and FLAIR hyperintensities are seen in the central region of body and splenium of corpus callosum with sparin...
Article
Bilateral adrenal gland hyperenhancement
Bilateral adrenal gland hyperenhancement or intense adrenal enhancement may be a feature of hypotension and forms part of the CT hypoperfusion complex.
Adrenal gland hyperenhancement has been described in pediatric and small adult series or individual cases of hemorrhagic shock, pancreatitis, s...
Case
Coin lesion - lung adenocarcinoma
Published
23 Jun 2014
67% complete
X-ray
CT
Article
Double axillary pouch sign (shoulder)
The double axillary pouch sign is a collection of fluid between a torn anteroinferior glenoid labrum and the glenoid rim, giving the appearance of a second axillary pouch.
The sign is seen best with MR arthrography on the coronal view, and is considered by some, a very specific sign for an ante...
Case
Post-traumatic posterior tibial artery pseudoaneurysm
Published
22 Jul 2015
94% complete
Ultrasound
Case
H-shaped vertebra mechanism (illustration)
Published
25 Mar 2016
54% complete
Diagram
Article
Higoumenakis sign (clavicle)
The Higoumenakis sign is the unilateral enlargement of the sternal end of the clavicle in patients with late congenital syphilis. It was originally described as a clinical sign on physical examination but can also be recognized on chest radiograph 5.
Pathology
Treponema pallidum becomes readil...
Case
Beak sign of aortic dissection (annotated image)
Published
06 Jun 2016
75% complete
Annotated image
Article
Sliver sign (patella)
The sliver sign refers to a curvilinear intra-articular osteochondral fragment in the knee joint on conventional knee radiographs. In the context of acute knee trauma and in association with joint effusion this sign is highly predictive of a recent transient lateral patellar dislocation 1.
Path...
Article
Double Oreo cookie sign (glenoid labrum)
The double Oreo cookie sign refers to the presence of two hyperintense lines in the superior glenoid labrum, one of which represents a superior labral tear and the other a physiological sublabral recess 1,2.
Terminology
This sign should not be confused with the Oreo cookie sign of pericardial ...
Case
Cervical disc herniations - mount Ararat (Rorschach radiology)
Published
28 Apr 2017
46% complete
MRI
Photo
Case
Heart appearance of benign prostate hyperplasia (Rorschach radiology)
Published
19 Mar 2018
42% complete
MRI
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