Discal slide rule for indicating obesity in adult.

BMI, Abdominal Obesity and Physical Activity in Adult Candidates for Lumbar Disk Degeneration Surgery

Background and Aim: Lumbar disc degeneration is one of the most frequent causes of pain in the lower back, and lack of physical activity, overweight and obesity have been regarded as the most significant factors in its occurrence. The present study was conducted with the aim of evaluation of body mass index, abdominal obesity and physical activity level in patients registered for elective lumba...

Radiculopathy Caused by Discal Cyst

Discal cyst is an intraspinal cyst with a distinct communication with the corresponding intervertebral disc. It is a rare condition and could present with radiculopathy similar to that caused by lumbar disc herniation. We present a patient with a large discal cyst in the ventrolateral epidural space of the 5(th) lumbar vertebral (L5) level that communicated with the adjacent 4(th) lumbar and 5(...

A slide rule for time conversion for bromsulphalein (BSP) retention studies.

THE Bromsulphaleimm (BSP) test of Rosenthal ammd White (1) has undergone several modifications (2) imi the 40 years following its introduction. Like most drugs, BSP is removed from blood plasma at a rate which is proportional to its concentratiomi, that is, a first-order reactiomi (3). As would be expected for a first-order reaction, a graph of In (BSP) or log (BSP) vs. time results iii a strai...

Lumbar discal cyst in an elite athlete

Our patient, a 22-year-old starting wide receiver for an NCAA Division I football team, presented with low back pain and sciatica. A lumbar-spine MRI without contrast demonstrated findings suspicious for discal cyst. The patient was referred for surgery, and the lesion was resected. The rarity of discal cyst makes it difficult to diagnose because most radiologists are not aware of the entity. A...

The Healthy Food Slide Rule (HFSR): a nutrition education tool for children.