Identification of hip surface arthroplasty failures with TcSC/TcmDP radionuclide imaging

Journal Article · Thu Jul 01 00:00:00 EDT 1982 · Clin. Orthop.; (United States)

DOI:https://doi.org/10.1097/00003086-198207000-00014· OSTI ID:6705163

Thomas, B J; Amstutz, H C; Mai, L L; Webber, M M

The roentgenographic identification of femoral component loosening after hip surface arthroplasty is often impossible because the metallic femoral component obscures the bone-cement interface. The use of combined technetium sulfur colloid and technetium methylene diphosphonate radionuclide imaging has been especially useful in the diagnosis of loosening. In 40 patients, follow-up combined TcSC and TcmDP scans at an average of three, nine, and 27 months postoperation revealed significant differences in the isotope uptakes in patients who had loose prostheses compared with those without complications. Scans were evaluated by first dividing them into eight anatomical regions and then rating the uptake in each region or 'zone' on a five-point scale. Results were compared using the Student's t-test and differences were noted between normal controls and patients who had femoral component loosening. Combining both TcSC and TcmDP studies increased the statistical significance obtained when comparing patients who had complications to those in the control group.

• Research Organization: Division of Orthopaedic Surgery, UCLA School of Medicine, Los Angeles, CA
• OSTI ID: 6705163
• Journal Information: Clin. Orthop.; (United States), Vol. 167
• Country of Publication: United States
• Language: English

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62 RADIOLOGY AND NUCLEAR MEDICINE
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DIAGNOSTIC USES
FEMUR
ISOMERIC NUCLEI
PATIENTS
PHOSPHONIC ACID ESTERS
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INTERMEDIATE MASS NUCLEI
ISOMERIC TRANSITION ISOTOPES
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MEDICAL SUPPLIES
NUCLEI
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
ORGANS
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