Dermatologic
Basal cell CA suspected -> basal cell CA Bullous disease -> bullous pemphigoid Bullous disease -> mucous membrane pemphigoid Collagen vascular disease suspected (any) -> discoid lupus (asympt controls) Collagen vascular disease suspected (any) -> discoid lupus (CVD controls) Herpes encephalitis suspected -> herpes encephalitis Herpes zoster suspected -> herpes zoster Melanoma (palpable nodes) -> distant metastases Melanoma -> lymph node metastasis Onychomycosis suspected -> onychomycosis Pemphigoid -> bullous pemphigoid Pemphigoid -> mucous membrane pemphigoid Pemphigoid -> pemphigoid gestationis Pemphigoid suspected -> pemphigoid Pemphigus -> pemphigus foliaceus Pemphigus -> pemphigus vulgaris Pemphigus suspected -> pemphigus Pigmented lesion -> melanoma or other high grade lesion Skin abscess suspected -> skin abscess Subcutaneous mass or nodule -> epidermal cyst Subcutaneous mass or nodule -> ganglion cyst Subcutaneous mass or nodule -> lipoma Varicose veins -> venous reflux