Moyamoya disease: a case of vanishing cerebral vessels.

Purpose: To provide an overview of moyamoya disease (MMD) including pathophysiology, epidemiology, clinical presentation, diagnosis, treatment, and prognosis.

Data Sources: Selected clinical and epidemiological studies, review articles, and diagnostic guidelines for MMD.

Conclusions: MMD is a rare cerebrovascular disease characterized by progressive stenosis of the distal internal carotid arteries and their major branches.

Cost of managing digital diagnostic images for a 614-bed hospital.

The cost of recording and archiving digital diagnostic imaging data is presented for a Radiology Department serving a 614 bed University-Hospital with a large outpatient population. Digital diagnostic imaging modalities include computed tomography, nuclear medicine, ultrasound, and digital radiography. The archiving media include multiformat video film recordings, magnetic tapes, and disc storage.

Hydromyelia in a Reeves' muntjac (Muntiacus reevesi).

A 24-day-old, 2.2-kg, female Reeves' muntjac (Muntiacus reevesi) acutely developed left hind limb lameness that resolved with rest and anti-inflammatory drugs but recurred at 8 mo of age. Magnetic resonance imaging (MRI) of the lumbar, sacral, and coccygeal spine revealed a fluid-filled dilatation of the central canal of the spinal cord, which was interpreted as a hydromyelic cyst.