Vascularity of the femoral head; 99Tc(m) diphosphonate scintigraphy validated with tetracycline labeling

R. D. D'Ambrosia, R. S. Riggins, R. C. Stadalnik, Gerald L Denardo

Research output: Contribution to journalArticle

22 Scopus citations

Abstract

(99m)Tc diphosphonate scintigraphy and tetracycline labeling were performed on 22 hips in 20 patients in whom the femoral heads were subsequently removed. Twelve of the hips had acute neck fractures, and 10 hips had roentgenographic evidence of avascular necrosis. This technique is of greater value for recent fractures, for once revascularization begins to occur, increased radioactivity is usually found by scintiscan. There was good correlation between roentgenogram, scintiscan and tetracycline fluorescence. (99m)Tc diphosphonate scintigraphy, which can be performed outside the operating theater with little discomfort to the patient, proved to be a reliable, noninvasive method of assessing the blood flow to the femoral head. (99m)Tc diphosphonate scintigraphy is not a quantitative technique; it detects the presence or absence of femoral head blood flow, not the adequacy of that blood supply.

Original languageEnglish (US)
Pages (from-to)143-148
Number of pages6
JournalClinical Orthopaedics and Related Research
VolumeNo. 121
StatePublished - 1976

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Surgery

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