PMC7992414_01
ultrasound images of cervical lymph nodes located in left IIB and V levels
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F1
Ultrasound echography showed a 4 centimeters well-limited hypoechoic oblong mass with central and peripheral vascularization of the level IIb with multiple centimeter lymph nodes at level V (Figure 1).
cervical CT scan with contrast enhancement showing cervical lymph node in left IIB and V levels with a strong enhancement of the IIB level lymph node (white arrow)
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F2
Computed tomography (CT) showed multiple lymphadenopathies of the left levels II and V with an important enhancement after contrast sized between 20 and 41 millimeters in their largest dimension (Figure 2).
A) (HE x 100) the follicle is surrounded by a broad mantle zone consisting of a concentric layering of lymphocytes resulting in an "onion-skin" appearance; B) (HE x 400). The follicle is penetrated radially by a sclerotic blood vessel
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F3
The diagnosis of hyaline Castleman s disease was made based on final histological findings (Figure 3).