Differential Diagnosis in Dermatopathology

Images

Apocrine mixed tumor Eccrine mixed tumor…

Differential Diagnosis in Dermatopathology

Images

Apocrine (clear-cell) hidradenoma Eccrine (poroid) hidradenoma…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Apocrine (clear-cell) hidradenoma Eccrine (poroid) hidradenoma 1. Connects to infundibula often 1. No connection to infundibula; merges with surface epidermis rarely 2. Glandular structures usually 2. Ductal structures usually 3. “Dec…