Dermoscopy of lentigo maligna on the face has reliable and well-tested parameters for its diagnosis. However, some benign lesions such as pigmented actinic keratoses have dermoscopic aspects that are common in malignant lentigo, making the correct diagnosis difficult. This fact often leads to unnecessary excisions of benign lesions. The present article discusses these morphological parameters in light of the dermoscopic analysis of the commonalities between lentigo maligna and pigmented actinic keratosis, also touching upon the aspects already described for the diagnosis of pigmented actinic keratoses.

Keywords: DERMOSCOPY; HUTCHINSON'S MELANOTIC FRECKLE; KERATOSIS, ACTINIC; FACE.

Filler injections are among the most popular cosmetic procedures performed worldwide. Although fillers have a safety profile, there has been a rise in litigation as a result of treatments in the USA. In the Brazilian scenario, the number of non-surgical procedures has increased in the past years, mainly due to the increase of filler options available in the Brazilian market, as well as in the type of professionals allowed to perform injectable procedures. Therefore we sought to review the related literature regarding semi-permanent and temporary fillers adverse effects and outline a practical guide for complications avoidance, diagnosis and management.

Keywords: GRANULOMA; ISCHEMIA; ESTHETICS; HYALURONIC ACID; DERMIS; SUBCUTANEOUS FAT; BIOFILMS; INFECTION