PMC3237024_01
a) Right paratesticular gray-scale ultrasound of the scrotum in longitudinal plane demonstrates a well-defined solid paratesticular mass with spoke-wheel appearance (arrows). (b) Corresponding color flow Doppler image demonstrates increased internal vascularity.
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F1
Gray-scale ultrasound of the scrotum revealed a right side, well-defined paratesticular, solid mass at the superior pole of the testis with spoke wheel appearance [ Figure 1a]. Color flow Doppler examination demonstrated increased vascularity of this mass [Figure Figure 1b].
(a) Hematoxylin and eosin stain (100x original magnification) demonstrates amyloid deposition (asterisk) with tumoral cell infiltration (arrowheads). (b) Hematoxylin and eosin stain (400x original magnification) of the tumoral infiltration area reveals typical clock face pattern nuclei (arrowheads) in plasma cells diagnostic of plasmacytoma.
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F2
Amyloid deposition was present along with the neoplastic changes [Figure 2a].