Items tagged “sign”

42 results found
Case

Lipohaemarthrosis of the knee: FBI sign

Lipohaemarthrosis
 Diagnosis certain
Dr Abhijit Datir
Published 05 Nov 2009
75% complete
X-ray
Case

Scotty dog

Scotty dog

Obliq...
 Diagnosis not applicable
A.Prof Frank Gaillard
Published 08 Nov 2009
32% complete
X-ray
Case

Pearl necklace

Pearl necklace
 Diagnosis not applicable
A.Prof Frank Gaillard
Published 23 Dec 2009
29% complete
Photo
Case

Dagger sign in ankylosing spondylitis

 Diagnosis certain
Dr Wael Nemattalla
Published 24 Jan 2010
69% complete
X-ray
Case

Aspergilloma - Monad sign

Monad's sign of f...
 Diagnosis certain
A.Prof Frank Gaillard
Published 22 Feb 2010
62% complete
CT
Case

Normal anterior bronchus shadows

Normal anterior b...
 Diagnosis not applicable
A.Prof Frank Gaillard
Published 02 Mar 2010
32% complete
X-ray
Case

Chilaiditi sign

 Diagnosis not applicable
Dr Hani Salam
Published 27 Mar 2010
32% complete
X-ray
Case

Mammographic halo

Mammographic halo
 Diagnosis certain
Dr Hani Salam
Published 27 Feb 2011
57% complete
MammographyUltrasound
Article

Colon cut-off sign

Colon cut-off sign describes gaseous distension seen in proximal colon associated with narrowing of the splenic flexure in cases of acute pancreatitis. Though originally described in abdominal radiographs, this sign has also been demonstrated in contrast enemas and computed tomography 1. This a...
Article

Cervicothoracic sign

The cervicothoracic sign, a variation of the silhouette sign, helps to localize a mass in the superior mediastinum on frontal chest radiographs as either anterior or posterior.  As the anterior mediastinum ends at the level of the clavicles, the upper border of an anterior mediastinal lesion ca...
Article

Corduroy sign (vertebral haemangioma)

The corduroy sign refers to a vertically oriented, thickened trabeculations seen in intraosseous haemangiomas of the spine. It is the sagittal/coronal equivalent of the polka-dot sign seen on axial imaging.  It is caused by the replacement of the normal cancellous bone by thickened vertical tra...
Case

Lateral femoral notch sign

 Diagnosis certain
Dr Charlie Chia-Tsong Hsu
Published 19 Jan 2013
85% complete
X-ray
Case

Luftsichel sign

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 26 Nov 2012
87% complete
CTX-ray
Case

Acute appendicitis with CT arrowhead sign

Coronal MIP recon...
 Diagnosis certain
Dr Bita Abbasi
Published 25 Jan 2013
92% complete
CT
Article

Concentric ring sign

The concentric ring sign is a pathognomonic sign for a subacute haematoma on MRI. A subacute haematoma may show 3 characteristic layers of  signal intensity: a thin peripheral rim of low signal intensity on all pulse sequences corresponding to haemosiderin. an inner peripheral high-signal int...
Article

Salt and pepper sign (skull)

Salt and pepper sign or pepperpot skull of the calvarium refers to multiple tiny well-defined lucencies in the skull vault caused by resorption of trabecular bone in hyperparathyroidism. There is a loss of definition between the inner and outer tables of the skull and a ground-glass appearance ...
Article

Naked facet sign (vertebral column)

The naked facet sign (also known as the hamburger sign or reverse hamburger bun sign) refers to the CT appearance of an uncovered vertebral articular facet when the facet joint is dislocated, most often in cases of locked facet.  This CT sign is characteristic of a flexion-distraction injury an...
Case

Mercedes-Benz sign - on CT

 Diagnosis probable
Dr Mohammad Taghi Niknejad
Published 03 Feb 2013
68% complete
CT
Case

Dependent viscera sign on diaphragmatic rupture

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 11 Feb 2013
83% complete
CT
Case

Rim sign (chronic hydronephrosis)

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 14 Feb 2013
91% complete
X-ray

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