PMC5668386_01
Initial axial T2-weighted brain magnetic resonance imaging shows bilateral symmetrical signal increase at the medial part of the thalami (A) and periaqueductal area (B).
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T2-weighted images with no other abnormalities in the brain parenchyma or extra-axial space (Fig. 1).
Positron emission tomography demonstrates uptake in the spleen, bone marrow, and multiple lymph nodes in both parotid, bilateral cervical, supraclavicular, axillary, mediastinal, pulmonary, hilar, peribronchial, hepatoduodenal, abdominal para-aortic, pericaval, both iliac chains, and both inguinal areas.
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Positron emission tomography demonstrated high uptake in the spleen, bone marrow, and multiple lymph nodes in cervical, thoracic and abdominal areas (Fig. 2).