Sarcoidosis on tattoo – low magnification

Formation of granulomas characterized by collections of histiocytes.

Granulomas are well-circumscribed within the dermis.

The epidermis is spared.

Sarcoidosis

LEGEND

No necrosis within the granulomas

  • Granulomas are well-circumscribed and “naked”, meaning there are few surrounding lymphocytes

Sarcoidosis

Granulomas are well-circumscribed and “naked”

Presence of tattoo pigment phagocytosed by macrophages

Sarcoidosis

LEGEND

  • Multinucleated giant cells present within the granuloma

  • Phagocytosed tattoo pigments