The Posterior Lateral Femoral Contusion Sign (Aamer Botchu Sign): an Ancillary Sign of MCL Injury

The “Lasso Sign”: An Early Sonographic Sign of Posterior Meningocele

Posterior meningocele is an uncommon form of spina bifida. We present a case of unique posterior meningocele diagnosed at the early second trimester anatomical scan using 2D and 3D ultrasound. The sonographic appearance resembled "lasso". The prenatal follow-up was uneventful, with no demonstration of tethered cord. Clinical, neurological and radiological examinations following delivery and at ...

mishra’s sign of blunt traumatic pancreatic injury’: an intra-operative telltale sign indicating potential blunt traumatic pancreatic injury

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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.

Radiographic markers of acetabular retroversion: correlation of the cross-over sign, ischial spine sign and posterior wall sign.

Radiological diagnosis of acetabular retroversion is based on the presence of the cross-over sign (COS), the posterior wall sign (PWS), and prominence of the ischial spine (PRISS). The primary purpose of the study was to correlate the quantitative cross-over sign with the presence or absence of the PRISS and PWS signs. The hypothesis was that both, PRISS and PWS are associated with a higher cro...

Trauma or Tumor? The Nail Splay Sign