Figure 2. lymphocytes in onion bulb appearance (H & E X200)

From

Unicentric Mixed Variant Castleman Disease Associated with Brachiocephalic Vein Thrombosis: A Rare Presentation

Imene Boukhris, Hana Zoubaidi, Ines Kechaou, Eya Cherif, Nadia Znaidi, Aicha Ben Miled, Narjes Khalfallah

American Journal of Medical Case Reports. 2016, 4(10), 339-342 doi:10.12691/ajmcr-4-10-3