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"Cold" reflex sympathetic dystrophy in an adult
S Turpin1, R Taillefer, R Lambert
1Department of Nuclear Medicine, Hotel-Dieu de Montréal, Canada.
Clinical Nuclear Medicine
|February 1, 1996
Summary
This study presents a rare case of adult reflex sympathetic dystrophy (RSD) showing decreased bone scan uptake, contrasting with typical increased uptake. The review covers RSD in both adults and children.
Area of Science:
- Nuclear medicine
- Radiology
- Skeletal imaging
Background:
- Reflex sympathetic dystrophy (RSD), also known as complex regional pain syndrome, is a poorly understood condition.
- Classical triple-phase bone scintigraphy in RSD typically shows increased periarticular uptake in all phases.
Observation:
- This report details a rare case of acute adult RSD.
- The patient presented with an unusual pattern of hypofixation (decreased uptake) of Tc-99m MDP on bone scintigraphy.
Findings:
- The observed hypofixation is atypical for the classical presentation of RSD.
- This case challenges the conventional scintigraphic findings associated with RSD.
Implications:
- The findings suggest that RSD diagnosis requires considering atypical presentations.
- Further research is needed to understand the mechanisms behind hypofixation in RSD.
- This case highlights the importance of integrating imaging findings with clinical presentation.