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Inverted Follicular Keratosis on the Lower Lip
This asymptomatic lesion had been present on a 75-year-old man's right buttock for 2 to 3 years. The 0.5 cm in diameter nodule featured an irregular, flesh-colored surface.
This asymptomatic lesion had been present on a 75-year-old man's right buttock for 2 to 3 years. The nodule, which was 0.5 cm in diameter, featured an irregular, flesh-colored surface. Dr Robert P. Blereau of Morgan City, La, performed a shave excision of the lesion and electrocauterized its base. Pathologic examination of a specimen revealed an inverted follicular keratosis. This benign tumor of the follicular infundibulum occurs most often in men; the head and neck-particularly the cheeks and upper lip-are the most common sites. Typically, the flesh-colored nodular or filiform lesions are between 0.3 and 1 cm in diameter. Occasionally, a predominant cutaneous horn may be present. Inverted follicular keratosis is considered by some to be a variant of seborrheic keratosis or verruca vulgaris.
Atopic Dermatitis: The Pipeline and Clinical Approaches That Could Transform the Standard of Care
September 24th 2025Patient Care tapped the rich trove of research and expert perspectives from the Revolutionizing Atopic Dermatitis 2025 conference to create a snapshot of the AD care of the future.
