“…Furthermore, keratin positivity in a breast FNA showing large malignant cells among abundant lymphoid population can confirm the diagnosis of medullary carcinoma, which may pause diagnostic difficulties. Histological study, which followed, confirmed the unexpected cytological diagnosis, reporting a classical HL of nodular sclerosis subtype, commonly observed involving the breast [4, 5, 12, 14, 15, 17, 20, 22].…”