Items tagged “sign”

50 results found
Case

Crohn disease - comb sign

  Diagnosis almost certain
Natalie Yang
Published 17 Aug 2009
65% complete
CT
Case

Scotty dog (diagram)

  Diagnosis not applicable
Frank Gaillard
Published 08 Nov 2009
19% complete
X-ray
Case

Pearl necklace (photo)

  Diagnosis not applicable
Frank Gaillard
Published 23 Dec 2009
38% complete
Photo
Case

Dagger sign in ankylosing spondylitis

  Diagnosis certain
Wael Nemattalla
Published 24 Jan 2010
72% complete
X-ray
Case

Monod sign (aspergilloma)

  Diagnosis almost certain
Frank Gaillard
Published 22 Feb 2010
50% complete
CT
Case

Normal anterior bronchus (annotated x-ray)

  Diagnosis not applicable
Frank Gaillard
Published 02 Mar 2010
41% complete
X-ray
Case

Chilaiditi sign

  Diagnosis not applicable
Hani Makky Al Salam
Published 27 Mar 2010
22% complete
X-ray
Case

Mammographic halo

  Diagnosis certain
Hani Makky Al Salam
Published 27 Feb 2011
80% complete
Mammography Ultrasound
Article

Colon cut-off sign

The colon cut-off sign describes gaseous distension seen in the proximal colon associated with abrupt termination of gas within the colon usually at the level of the splenic flexure and decompression of the more distal part of the colon. Though originally described in abdominal radiographs, this...
Article

Cervicothoracic sign

The cervicothoracic sign is a variation of the silhouette sign on frontal chest radiography used to determine whether a superior (para)mediastinal soft tissue mass is anterior or posterior to the trachea. A positive cervicothoracic sign occurs when a thoracic lesion contacts the neck or extends...
Article

Naclerio V sign

The Naclerio V sign is a sign described on the plain film in patients with a pneumomediastinum occurring often secondary to an esophageal rupture.  It is seen as a V-shaped air collection. One limb of the V is produced by mediastinal gas outlining the left lower lateral mediastinal border. The ...
Case

Cottage loaf sign - diaphragmatic rupture

  Diagnosis certain
Mohammad Taghi Niknejad
Published 24 Nov 2012
95% complete
CT Photo
Case

Luftsichel sign

  Diagnosis certain
Mohammadtaghi Niknejad
Published 26 Nov 2012
87% complete
CT Annotated image
Case

Positive metacarpal sign

  Diagnosis certain
Mohammad Taghi Niknejad
Published 11 Dec 2012
75% complete
X-ray
Case

Hyperdense MCA sign

  Diagnosis certain
Mohammad Taghi Niknejad
Published 11 Dec 2012
80% complete
CT
Case

Double duct sign

  Diagnosis certain
Mohammadtaghi Niknejad
Published 03 Jan 2013
95% complete
CT
Article

Corduroy sign (vertebral hemangioma)

The corduroy sign refers to vertically-oriented, thickened trabeculae seen in intraosseous hemangiomas of the spine. It is the sagittal and 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 trabec...
Case

Lateral femoral notch sign - anterior cruciate ligament tear

  Diagnosis almost certain
Charlie Chia-Tsong Hsu
Published 19 Jan 2013
75% complete
X-ray
Case

Acute appendicitis with CT arrowhead sign

  Diagnosis certain
Bita Abbasi
Published 25 Jan 2013
92% complete
CT
Article

Salt and pepper sign (skull)

Salt and pepper sign or pepper pot skull refers to multiple tiny well-defined lucencies in the calvaria 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 as well as spotty de...

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