Tasleem's water jet sign – A new sign in dermatology

Natural Selection: Sign, Sign, Everywhere a Sign

Natural selection is an important factor influencing variation in the human genome, but most genetic studies of natural selection have focused on variants with unknown phenotypic associations. This trend is changing. New studies are rapidly revealing the effects of natural selection on genetic variants of known or likely functional importance.

“The Cliff Sign” - A New Radiographic Sign Of Hip Instability

evaluation of the diagnostic value of a new sign (behdad sign) in acute appendicitis

in this study, a new sign for clinical diagnosis of acute appendicitis is introduced. the study was performed on a sample of 250 cases simply selected from the patients with acute appendicitis admitted to al-zahra hospital of isfahan. before operation, the patients were evaluated for this sign in order to assess its predictive value in diagnosis of acute appendicitis. following the intervention...

A new ultrasound sign in the diagnosis of pediatric maxillary sinusitis

      Background: Computed tomography scans (CT scan) and X-rays are used to diagnose paediatric maxillary sinusitis. This study aimed at exploring the diagnostic value of the conventional and colour Doppler ultrasounds and their specific findings in cases of paediatric sinusitis.    Methods: A total of 60 children diagnosed with sinusitis were included in this s...

A New Diagnostic Sign in Typhoid Fever

" A, a saturated solution of sulphanilic acid in dilute (1 in 20) hydrochloric acid; B, a ?5 per cent, solution of sodic nitrite in distilled water. (Both of these solutions must be fresh?especially the latter, which cannot be depended on for more than a week at the longest. When they are mixed, of course, a solution of sulphanilic acid containing free nitrous acid is produced, which is the act...