Case for diagnosis. Atypical fibroxanthoma.

Area of Science:

• Dermatology
• Oncology
• Pathology

Background:

• Atypical fibroxanthoma is a rare superficial fibrohistiocytic tumor.
• It commonly affects elderly individuals, presenting as a slow-growing, ulcerated nodule on sun-exposed skin, particularly the head and neck.

Observation:

• This case highlights an atypical fibroxanthoma presenting on the ear.
• The clinical presentation is typically painless and solitary.

Findings:

• Diagnosis relies on histopathological and immunohistochemical analysis.
• Immunohistochemistry is crucial for differentiating it from other conditions.

Implications:

• Atypical fibroxanthoma has an indolent clinical course.
• Surgical excision is considered adequate treatment.
• Early diagnosis and treatment can prevent potential complications.