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Sonographic evaluation of plantar fasciitis and relation to body mass index
Huseyin Ozdemir1, Erhan Yilmaz, Ayse Murat
1Department of Radiology Firat University, Faculty of Medicine, Elazig 23119, Turkey. ozdemir@firat.edu.tr
Purpose:
We have investigated the role of sonography in the diagnosis of plantar fasciitis.
Materials And Methods:
This study evaluates 39 patients with plantar fasciitis and control group of 22 healthy volunteers. The plantar fascia thickness was measured 5 mm distal to the insertion of the calcaneus of plantar aponeurosis. Qualitative parameters such as decreased echogenity, biconvexity, perifascial fluid and calcification of plantar fascia were also noted.
Results:
Mean plantar fascia thickness was measured 2.9 mm in patients with unilateral heel pain, 2.2 mm for contralateral normal heel and 2.5mm for control group. There was a statistically significant difference between heel with plantar fasciitis, contralateral normal heel and control groups (p=0.009 and 0.0001, respectively). Mean body mass index was 28 kg/m(2) in patients with heel pain and 25 kg/m2 in control group. Body mass index measurements were significantly different between plantar fasciitis and control groups. We found reduced plantar fascia echogenity in 16 cases (41%), calcaneal spur in 20 cases (51%), biconvex appearance in two cases (5.1%) and perifascial fluid in one case (2.5%).
Conclusion:
We conclude that in patients with plantar fasciitis, ultrasound may detect relatively small differences in plantar fascia thickness even in clinically unequivocal plantar fasciitis.
