Signet‐ring cell large B‐cell lymphoma: A potential diagnostic pitfall with signet‐ring cell carcinoma

Abstract

Key Clinical Message This study reveals the importance of recognizing uncommon histologic variants in diffuse large B‐cell lymphoma, such as the signet‐ring cell variant, which may result in an erroneous or delayed diagnosis with potential impact in patient treatment.

Keywords

• differential diagnosis
• lymphoma
• morphology
• pitfall
• signet‐ring
• variant