Codes

Look For

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Diagnostic Pearls

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Differential Diagnosis & Pitfalls

• Subepidermal calcified nodule – Solitary white-to-yellow papule or nodule typically on the head / neck (children) and extremities (adults).
• Verruca vulgaris – Hyperkeratotic, verrucous, white-to-tan papule or plaque.
• Epidermal inclusion cyst – A well-circumscribed nodule with or without a central punctum.
• Molluscum contagiosum – Small skin-colored or translucent papules with umbilication and/or a white central core.
• Milia – Small white-to-yellow papules, typically on the cheeks and periorbital skin.
• Cutaneous horn – Thick, columnar-like hyperkeratotic debris that arises from an actinic keratosis, verruca, squamous cell carcinoma, or keratoacanthoma.
• Pilomatricoma (calcifying epithelioma of Malherbe) – Solitary, firm, skin-colored or bluish-appearing nodule or tumor often found upon the head / neck or upper extremities.
• Precalcaneal congenital fibrolipomatous hamartoma

Best Tests

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Management Pearls

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Therapy

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References

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