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Biopsy of a 5 mm cystic lesion on the right heel of a 48-year-old woman

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Unknown: Biopsy of a 5-mm cystic lesion on the right heel of a 48-year-old woman
Todd Stevens MD, Deba P Sarma MD
Dermatology Online Journal 17 (6): 6

Department of Pathology, Creighton University Medical Center, Omaha, Nebraska.

These are the microscopic images from an excisional biopsy of an asymptomatic cystic lesion that had been present for several years on the right heel of a 48-year-old woman.

Figure 1 Figure 2
Figure 1. Epithelium-lined cyst in the subcutaneous tissue. Note the lack of skin appendages in tissue surrounding cyst.

Figure 2. Note the cilia on the luminal border of the columnar epithelium.

Figure 3 Figure 4
Figure 3. Pan-CK (CK AE 1/3): Positive cytoplasmic cytokeratin immunostain.

Figure 4. CEA immunostaining: Negative.

Figure 5 Figure 6
Figure 5. ER (Estrogen Receptor) immunostain: Positive nuclear stain.

Figure 6. PR (Progesterone Receptor) immunostain: Positve nuclear stain.

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