Eyelid microcystic adnexal carcinoma

Area of Science:

• Dermatopathology
• Oncology

Background:

• Microcystic adnexal carcinoma (MAC) is a rare cutaneous neoplasm.
• It often presents with features mimicking benign adnexal tumors like syringoma on initial microscopic examination.

Observation:

• MAC exhibits an asymmetric and infiltrative growth pattern, distinguishing it from benign mimics.
• Despite its local aggressiveness and high recurrence rate, regional metastasis is infrequent.

Findings:

• The histogenesis of MAC remains a subject of ongoing research and debate.
• Definitive diagnosis relies on recognizing specific histopathological features beyond superficial resemblance.

Implications:

• Complete surgical excision with clear margins is the recommended treatment approach for MAC.
• Understanding the infiltrative nature is crucial for surgical planning and preventing recurrence.