Cutaneous secretory carcinoma McKee, Grishakov, Arida & Hernane

Primary cutaneous secretory carcinoma is exceedingly rare. Before making the diagnosis it is important to make sure that it is not arising in a salivary gland or breast. Although considered to be a low grade tumor, a recent publication where a patient developed nodal and lung metastases challenges this supposition. Most tumors are associated with the ETV6-NTRK3 fusion gene.

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Lovely cases!😍

[@ahmedkhalilm.dmsc.9620]

Is it possible to clarify in details how to differentiate it from cribriform, adenoids cystic and apocrine Ca. Thank you so much