neurocutaneous melanosis (ncm) is a rare, congenital non-hereditary syndrome, characterized by multiple pigmented nevi. we report the radiologic findings of a newborn who had extensive cutaneous melanotic nevus with satellite lesions in the brain. ultrasound showed multiple echogenic foci in the cerebral parenchyma. subsequent mri confirmed these lesions as characteristic deposits of melanin. t...

BACKGROUND Congenital melanocytic nevi (CMN) are present at birth. It is well known that the presence of large-sized congenital nevus in early life could predict a major risk of developing melanoma. OBJECTIVE To investigate the clinical and dermoscopic features of the CMN, to search for and highlight any differences between small-sized, medium-sized, large-sized CMN. METHODS A nonrandomized...

Congenital melanocytic nevi are commonly encountered in clinical practice. Although the development of malignant melanoma arising in small and intermediate congenital melanocytic nevi is rare, there is a significant risk of malignant degeneration associated with large congenital melanocytic nevi, in particular those that arise on the torso in the so-called "bathing trunk" distribution, where th...

Background: Large congenital melanocytic nevus (LCMN) is considered a risk factor for melanoma, although the magnitude of this risk is controversial. Objective: To evaluate the risk of melanoma development in patients with LCMN seen at a dermatology referral center in Brazil during a twelve-year period. To the best of our knowledge, there are no published similar studies on large congenital m...

Congenital nevocellular or nevomelanocytic nevi (CNN) are considered to be hemartomatous lesions of melanocytes apparent at birth(l-3). Though CNN has an incidence of 1% of all newborns, its spectacular variantthe giant or bathing trunk nevus is extremely rare, occuring once in 5,00,000 live births(l). Giant CNN is of devastating consequence due to the cosmetic disfigurement and the great risk ...

Agminated nevus is a cluster group of melanocytic nevi confined to a localized area of the body. There are many pigmented lesions described in the literature as agminated, such as blue nevi, multiple lentigines and Spitz nevi, but only a few cases of congenital agminated melanocytic nevi have been described. We report a case of a male child who presented with congenital agminated nevi, emphasiz...