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Fig. 3 | Cerebellum & Ataxias

Fig. 3

From: Cerebellar ataxia and exercise intolerance in Erdheim-Chester disease

Fig. 3

Bone scans findings suggestive of ECD. 99Tc-MDP bone scintigraphy (a) demonstrating multiple areas of abnormally increased radiotracer uptake including the distal femurs and symmetric uptake in the tibiae, with additional areas of weak uptake in the ulnae, radii, right mandible, left maxilla, thoracic vertebrae. Orthopantomogram (b; panorex) demonstrating lucency (arrow) in the right mandible. CT scans of distal portions of the thighs (c) and legs (d) showing medullary areas of osteosclerosis without cortical erosions in the femurs and tibiae. Similarly, PET (e) showing increased FDG uptake in multiple skeletal locations. As in the case of the bone scan, the symmetric uptake in the lower extremities (arrows) is strongly suggestive of ECD

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