Unusual presentations of primary and metastatic adenoid cystic carcinoma involving the skin
Adenoid cystic carcinoma (ACC) is most commonly seen in the salivary glands but may
occur at other sites. Primary or metastatic involvement of the skin is unusual. We report 2
cases of ACC with unusual presentation. In the first case, a 55-year-old woman presented
with a cutaneous lesion on the right shin, and final pathology showed ACC. An
extracutaneous origin was excluded by clinical and imaging studies. In the second case, a
49-year-old woman presented with a nodule on the breast, and biopsy confirmed high-grade …
occur at other sites. Primary or metastatic involvement of the skin is unusual. We report 2
cases of ACC with unusual presentation. In the first case, a 55-year-old woman presented
with a cutaneous lesion on the right shin, and final pathology showed ACC. An
extracutaneous origin was excluded by clinical and imaging studies. In the second case, a
49-year-old woman presented with a nodule on the breast, and biopsy confirmed high-grade …
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