It is considered useful in identifying microscopic metastases of breast carcinoma in lymph nodes, and in distinguishing Paget's disease from malignant melanoma. It also reacts with neuroendocrine tumors.
This marker is valuable in pinpointing microscopic spread of breast cancer to lymph nodes, as well as distinguishing Paget's disease from malignant melanoma. Additionally, it reacts with neuroendocrine tumors.