the 5 L's ddx
• | AKA Spiegler-Fendt sarcoid; cutaneous lymphoid hyperplasia (CLH), cutaneous B-cell pseudolymphoma |
• | an infiltrative benign lymphocytic condition (B-cells) of the skin, especially of the head and neck |
• | mnemonic: B-cells, Borrelia borgderferi |
ddx:
• | primary lymphoma (absence of follicle formation, presence of atypia) |
• | Jessner’s (lesions characteristically wax and wane; absence of follicle formation; a T-cell proliferation) |
• | tumid LE (evidence of basal-cell liquefaction degeneration) |
• | angiolymphoid hyperplasia with eosinophilia, metastatic carcinoma |
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