<![CDATA[Actinic keratosis (AK) is a skin neoplasm consists of proliferation of cytologicallyabrnormal epidermal keratinocytes that evolve in response to exposure to prolonged ultraviolet radiation (UV).Signs and symptoms of AK are pruritus, burning, stinging, and bleeding. AK typical lesion is tthe discovery of papule measuring 2-6 mm, flat, rough as sand and squamous. There are some clinical and histopathologic variants, one of the histopathological variants is hypertrophic actinic keratoses (Cutaneous Horn). Which has the hypertrophic conical skin-colored bulge that come out from the base. A patient, male, 40 years old, came to the Dermatology Polyclinic at H. Adam Malik Hospital. His main complaint was small nodules that looked like hard white horn on the right cheek curve since 2 years ago.On the status of dermatological, in the region of the sulcus nasobasalisdextra, papule with hypopigmentation, verrucosis surface, demarcated, hard consistency measuring 1 cm x 0.5 cm x 0.5 cm shaped like a horn was found. The shave excision that was done to this patient brought good result. The establishing actinic keratosis diagnosis of this patient was based on the anamnesis, clinical presentation and histopathologic examination. Management of this patient was shave excision that was done in accordance with the location of the lesion and also aim for in terms of cosmetics and patient's comfort. It was reported a 40 years old patient with actinic keratoses, shave excision was conducted in the region of the sulcus nasobasalis dextra. One week after surgery, good result was showed and the patient was satisfied. Key words : hypertrophic type actinis keratosis, shave excision]]>
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