BREAST CYTOPATHOLOGY

Lipoma 77
Figure 3.23. Chondroid syringoma. A polymorphous appearance
of the tumor with nests of epithelium and branching fascicles of
spindled cells embedded in a myxoid matrix. Histology of the
corresponding tumor is shown on the right. (Smear, Papanicolaou;
histologic section, hematoxylin and eosin.)
Pitfalls and Differential Diagnosis
• Fibroadenoma
• Cystosarcoma phyllodes
• Metaplastic carcinoma
Lipoma
Clinical Features
• Lipomas in the breast are usually subcutaneous and occur
most commonly in patients between the ages of 40 and
60 years.
• The patients usually present with a slow-growing soft,
solitary mass.
• Lipomas are well circumscribed, sometimes encapsulated,
round masses usually less than 5 cm in diameter.