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Case #8

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Demographics: 62 years old, Male
Indication: Bradykinesia

Case #8

Findings

  • Absence of the normal "swallow tail" sign

Diagnosis

Parkinson disease

Sample Report

Absence of the normal "swallow tail" sign. While this may be artifactual, this appearance can be seen in conjunction with the clinical diagnosis of Parkinson disease.

No acute intracranial abnormality.

Discussion

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References

  • Broski SM, Hunt CH, Johnson GB, Morreale RF, Lowe VJ, Peller PJ. Structural and functional imaging in parkinsonian syndromes. Radiographics 2014; 34: 1273-1292.
  • Schwarz ST, Afzal M, Morgan PS, Bajaj N, Gowland PA, Auer DP. The 'swallow tail' appearance of the healthy nigrosome - a new accurate test of Parkinson's disease: a case-control and retrospective cross-sectional MRI study at 3T. PLoS One 2014; 9(4): e93814.

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