Linear and Unilateral Basaloid Follicular Hamartoma Along Blaschko's Lines in an Elderly Patient: A Rare Presentation

This article reports a rare case of linear and unilateral basaloid follicular hamartoma (BFH) in a 68-year-old male, presenting as asymptomatic skin-colored to brown papules and plaques along Blaschko’s lines. BFH is a rare follicular hamartoma that can appear in various forms, including congenital, familial, sporadic, or acquired. The patient's lesions were examined using dermoscopy and histopathology, revealing basaloid and squamoid proliferation of epithelial cells. The condition was diagnosed as BFH, and radio-frequency ablation was planned for treatment. BFH can be mistaken for other conditions like basal cell carcinoma due to similar histological features, but it lacks systemic associations and malignant potential. There is no standard treatment protocol, but timely identification and intervention are crucial to prevent complications.