Malignant pilomatricoma in a child with a previous vascular malformation

Area of Science:

• Dermatopathology
• Pediatric Oncology
• Surgical Pathology

Background:

• Malignant pilomatricoma (MP) is the rare malignant counterpart of pilomatricoma.
• MP is a low-grade malignancy typically presenting in elderly males, often arising from a pre-existing pilomatricoma.

Observation:

• This report describes an unusual case of malignant pilomatricoma in an 8-year-old girl.
• The pediatric patient presented with a rare manifestation of this typically adult-onset malignancy.

Findings:

• The case highlights the potential for malignant pilomatricoma to occur in pediatric populations.
• This finding expands the known demographic profile for this rare tumor.

Implications:

• This case underscores the importance of considering malignant pilomatricoma in the differential diagnosis of pediatric skin lesions.
• Further research into the etiology and presentation of MP in children may be warranted.