[External nose eccrine poroma：a case report]

Area of Science:

• Dermatology
• Oncology
• Pathology

Background:

• Eccrine poroma is a benign neoplasm originating from the terminal sweat duct.
• Typically found on distal extremities, its occurrence in the head and neck region is rare.
• Understanding its presentation in unusual locations is crucial for accurate diagnosis.

Observation:

• This report focuses on a specific case of eccrine poroma located on the external nose.
• The case involves detailed examination of the lesion's pathological and histopathological features.
• Clinical manifestations specific to this nasal location are observed.

Findings:

• Histopathological examination confirmed the diagnosis of eccrine poroma.
• The tumor exhibited characteristics consistent with eccrine differentiation.
• The external nose presentation, while rare, was manageable.

Implications:

• Highlights the importance of considering eccrine poroma in the differential diagnosis of nasal tumors.
• Provides insights into the histopathological nuances of eccrine poroma in an uncommon site.
• Contributes to the literature on the diagnosis and management of rare cutaneous neoplasms.