F. Vural

Raccoon eye as the sole presenting sign of AL amyloidosis associated with a low-burden clonal plasma cell neoplasm.

Periorbital purpura ("raccoon eyes") is a rare but characteristic clinical finding associated with systemic amyloidosis and plasma cell disorders. It results from increased vascular fragility due to amyloid deposition within vessel walls and may serve as an important diagnostic clue for underlying hematological disease...