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Patient transverse T2 magnetic resonance imaging results. The swallow-tail sign (red arrow) was absent.
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F1
Transverse T2 MRI images of the patient showed no swallow-tail signs indicating degeneration of the reticular parts of the substantia nigra and red nuclei (Fig. 1).
Patient single-photon emission computed tomography images. There was asymmetrical uptake in the caudate nucleus (white arrows).
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F2
In addition, SPECT and PET images showed asymmetrical oval-shaped, rather than comma-shaped, dopamine uptake (Figs. 2 and 3).
Patient positron emission tomography-computed tomography images. The comma-shape deteriorated to an oval-shape.
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F3
In addition, SPECT and PET images showed asymmetrical oval-shaped, rather than comma-shaped, dopamine uptake (Figs. 2 and 3).
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