LYZ and benign neoplasm: They often only affect older individuals and present as quasi-tender, subcutaneous nodules.6 Although the tumour often arises de novo, it can potentially result from previously present benign tumours like apocrine hyperplasia or apocrine adenoma.7 Several studies have shown that utilising CD15 and lysozyme staining can assist differentiate Apocrine malignancy from Eccrine malignancy.