Sign of the school knapsack: myositis of the trapezius muscles caused by overload.
Guerrero
M
M
Nuclear Medicine Service, Hospital Universitario 12 de Octubre, Madrid, Spain.
Manrique
A
A
Del Rio
S
S
Ruiz
S
S
Haro
E
E
Díaz
L
L
Arnaiz
F
F
D002648:Child; D019343:Citric Acid; D005710:Gallium Radioisotopes; D006801:Humans; D008297:Male; D018482:Muscle, Skeletal / Q000000981:diagnostic imaging*; D009220:Myositis / Q000000981:diagnostic imaging* / Q000209:etiology; D011877:Radionuclide Imaging
D005710:Gallium Radioisotopes; D019343:Citric Acid