A Rapidly Enlarging Squamous Inclusion Cyst in an Axillary Lymph Node following Core Needle Biopsy

<table>In the parts of the cyst showing multiple polygonal squamous cells without a granular cell layer or hyperkeratosis, the inner cyst cells are immunopositive for carcinoembryonic antigen. Immunostain; magnification: ×400.</table>

Case Reports in Pathology

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Figure 6

Figure 6: A Rapidly Enlarging Squamous Inclusion Cyst in an Axillary Lymph Node following Core Needle Biopsy 