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Unilateral Parotid Gland Involvement of Relapsed Acute Lymphoblastic Leukemia Demonstrated by 18F-FDG PET/CT
Xilan Yao1, Hongrong Wang2, Xiao Lei2
1Department of Nuclear Medicine, Beijing Friendship Hospital of Capital Medical University.
Abstract:
The involvement of the parotid gland by acute lymphoblastic leukemia in extramedullary relapse is considered a rare occurrence. A 5-year-old girl with acute lymphoblastic leukemia presented with peripheral facial paralysis, and her symptoms remained unrelieved despite symptomatic treatment. 18F-FDG PET/CT showed hypermetabolic activity not only in the left parotid gland but also in multiple cervical lymph nodes, confirming a relapse of T-cell acute lymphoblastic leukemia.
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