Fifty-seven patients with moderate and severe head injuries between January 2001 and December 2001 had computerised tomographic (CT) scan of the head done at the Obafemi Awolowo University Teaching Hospitals Complex IleIfe, Nigeria. Forty patients (70%) were male while 17 (30%) were female, with a male to female ratio of 2.5: 1. The age range was from 1 to 71 years with a mean of 27.2years. The...

The term bronchiolitis obliterans organizing pneumonia (BOOP) refers to nonspecific pathological abnormalities characterized by the presence of granulation tissue within the lumen of the distal pulmonary airspaces, associating "proliferative" bronchiolitis obliterans and organizing pneumonia which is indeed the major component of the pathological process [1]. Some confusion has resulted from th...

It was not until the late nineteenth century when reports of hindbrain herniation (Chiari malformations) began to be published. However, even earlier reports can be found in the extant literature. These include a report of hindbrain herniation in association with myelomeningocele by Tulp (1593–1674) in 1641. Cleland and Arnold would also report cases of hindbrain herniation found in patients wi...