Codes

Look For

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Diagnostic Pearls

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Differential Diagnosis & Pitfalls

• Basal cell carcinoma – Pearly papule with telangiectasia and erosions on a background of sun-damaged skin.
• Milia – Small, white cystic papules filled with keratin.
• Xanthelasma – Favor upper eyelids; white to yellow plaques.
• Sebaceous hyperplasia – Yellow umbilicated papule with crown vessels.
• Steatocystoma multiplex – White to yellow smooth papules and nodules.
• Flat warts – Characteristically flat-topped papules.
• Trichoepitheliomas – Favor alar creases; flesh-colored, rubbery papules.
• Trichilemmomas – Common on the lips; may be verrucous.
• Sarcoidosis – Infiltrative papules and plaques that can be seen around the nares. The micropapular variant may resemble syringomas.
• Microcystic adnexal carcinoma – Should be considered if a solitary syringoma-like lesion appears on the lip.

Best Tests

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Management Pearls

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Therapy

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References

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