ISCD CBDT case studies
ISCD CBDT · Put your knowledge to work in context.
The Certified Bone Densitometry Technologist (CBDT®) is a certification offered by the International Society for Clinical Densitometry (ISCD), a multidisciplinary society founded in 1993 that describes itself as dedicated to advancing excellence in the assessment of musculoskeletal health through education, certification and facility accreditation. The credential is aimed at technologists who perform and analyze bone densitometry studies, and ISCD lists it alongside the Certified Clinical Densitometry (CCD®) credential, which is oriented to clinicians. The ISCD CBDT case studies are 5 cases and about 3,563 words.
1Five Lumbar-Type Vertebrae, a Bridging Osteophyte, and a Hip That Is Only Borderline
A 76-year-old woman (163 cm, 71 kg) is referred for her first DXA after fracturing her distal radius in a fall from standing height. Her history includes a lumbar laminectomy at L4–L5 in 2016 and a 22-degree degenerative lumbar scoliosis.
675 words, about 3 min2Setting Up a Precision Assessment and Judging a 6-Month Change
A community clinic has installed a new DXA scanner and hired a second technologist. Before starting follow-up scanning, the lead technologist performs an in vivo precision assessment: 15 patients are scanned twice each with repositioning between scans, and the duplicate L1–L4 results are used.
705 words, about 4 min3T-Scores in a 34-Year-Old Man After a Fragility Fracture
A 34-year-old man is referred for DXA after a distal radius fracture sustained in a fall while stepping off a curb. He is 180 cm, 74 kg, a nonsmoker, takes no medications, and reports no chronic illness.
665 words, about 3 min4Eighteen-Month Follow-Up Across Two Manufacturers
A 70-year-old woman began alendronate five years ago. Her baseline DXA at Clinic A (GE Lunar Prodigy) showed L1–L4 BMD 0.820 g/cm² (T −2.6) and femoral neck 0.640 g/cm² (T −2.5).
748 words, about 4 min5Bilateral Hip Implants, Spinal Hardware, and a Single Evaluable Vertebra
A 71-year-old woman (155 cm, 82 kg) is referred for DXA. She had a right total hip arthroplasty in 2014 and a left total hip arthroplasty in 2018, and a posterior spinal fusion from L2 to L5 with pedicle screws and rods in 2019.
770 words, about 4 min