Résumé
Magnetic resonance image (MRI) is the most sensitive imaging test of the spine in routine clinical practice. Unlike conventional x-ray examinations and computed tomography scans, high-quality magnetic resonance images can be assured only if patients are able to remain perfectly still. However, some patients find it uncomfortable to remain still because of pain. In that condition, interlaminar cervical epidural injections can reduce pain and allow the procedure. When using air with the "loss of resistance" technique in epidural injections to identify the epidural space, there is the possibility of injected excessive air epidurally to mimic a herniated disc. We describe a case report of epidural air artifact in a cervical MRI after cervical epidural injections.
Sujets)
Humains , Artéfacts , Espace épidural , Hydrazines , Injections épidurales , Déplacement de disque intervertébral , Spectroscopie par résonance magnétique , RachisRésumé
We have reviewed malignant lymphomas in children (15 years and less) that were diagnosed at the Department of Pathology, Seoul National University Hospital and Seoul National University Children's Hospital over the last 10 years, 1979~1989, trying to find any significant histological difference between childhood and adult lymphomas. After critical review by 3 pathologists, the lymphomas are classified according to Rappaport, Lukes-Collins and NCI (working formulation) classifications for non-Hodgkin's lymphomas and Reye classification for Hodgkin's disease. Fifty mine non-Hodgkin's lymphoma (NHL) and 18 Hodgkin's disease (HD) was the material that this study was based. NHL vs HD was 3 : 1, this HD being 23.4% of all malignant lymphomas in children.
Sujets)
Enfant , Adulte , Mâle , Femelle , HumainsRésumé
Fetus papyraceus, also called fetus compressus, is a mummified and compressed fetus as a result of fetal death during pregnancy. It is always associated with twin pregnancy, and the other litter is usually alive to compress the dead feuts. The cause of death of the fetus is not always clear. Recently we had a case of fetus papyraceus from a 25-year-old woman, which we thought most probably caused by velamentous insertion of the umbilical cord into the dividing membrane of the placenta, resulting fetal death and subsequently becoming fetus papyraceus.