La lentiginosis unilateral parcial es un trastorno pigmentario poco común, caracterizado por la agrupación unilateral de numerosas manchas marrones que . Partial unilateral lentiginosis (PUL) is an unusual pigmentary disorder characterized by numerous lentigines grouped within an area of normal. Partial unilateral lentiginosis colocalized with naevus depigmentosus. S. I. In. Department of Dermatology, Ajou University School of Medicine.

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A 9-year-old Taiwanese girl had an unusual combination of multiple lentigines clustered on her left face, 3 cafe-au-lait spots on her left arm and ipsilateral axillary freckling. J Clin Cosmet Dermatol.

Guys Hosp Rep Also, scarring, long downtime, and pain are important issues. Sign up for further access to Scientific Publications and Authors! YAG laser treatment does not provoke side effects, such as petechiae, crusts, pain, and PIH, during the laser treatment. There are exceptional clinical case reports with eyes involvement and nevus of Ota, among others [ 23 – 26 ].

Partial unilateral lentiginosis with associated developmental abnormalities. These results revealed that low-fluence QS Nd: Request Full-text from Authors. Partial unilateral lentiginosis PUL is a rare pigmentation disorder characterized by multiple lentigines located in only one side of the body, which histopathologically show typical finding of lentigine [ 12 ]. We can help you send a request to the authors directly. Physical examination revealed multiple brown macules measuring 1.

Although our patient’s treatment outcome was satisfactory, recurrence may also be an issue as low-fluence treatment for melasma has shown recurrence. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Print Send to a friend Export reference Mendeley Statistics. This case provides further evidence in favor of the concept that partial unilateral lentiginosis represents a mosaic manifestation of type 1 neurofibromatosis. These nevi should be monitored for ABCDE changes as in any other melanocytic lesion but do not necessitate treatment unless clinically worrisome.

It may affect either the right or the left side, and generally begins in the occipital region. Support Center Support Center. Communications through our website or via email are not encrypted and are not necessarily secure.

Human fibroblasts secrete several melanogenic cytokines, such as bFGF, HGF, and SCF, when they are rapidly growing or during inflammation, which suggests the possibility that overexpression of these cytokines by dermal fibroblasts may activate melanocytes in the overlying epidermis [ 13 ].

Low-fluence Q-switched neodymium-doped yttrium aluminum garnet laser lentuginosis melasma with pre- or post-treatment triple combination cream. Also, other cases of PUL, coexisting with ipsilateral Lisch nodules, axillary freckling, or skeletal alterations, seem to suggest that many cases of PUL represent a particular form of segmental NF1 lacking neurofibromas, i.

J Am AcadDermatol 8: Guidelines Upcoming Special Issues. YAG laser with low pulse energy.

Melanocytic Nevi – Partial Unilateral Lentiginosis | Perri Dermatology

Please do not submit any personal or private information unless you are comfortable doing so. October Pages It may achieve good cosmetic results in the treatment of PUL parcisl a very safe and effective profile. The patient was treated at 1-week intervals starting with a spot size of 6 mm, a fluence of 2. A year-old female presented with a history of unilateral hyperpigmented macules on her left cheek and periorbital area since early childhood.


Select your language of interest to view the total content in your interested language. J Electron Microsc Tokyo ; It is characterized by small, well delimited, hyperchromic macules, distributed in a limited area of the body, which can affect one or more dermatomes and stop at the median line. Laser therapy is also effective, as Q-switched Nd: Partial unilateral lentiginosis with ipsilateral Lisch nodules and axillary freckling.

Abstract Partial unilateral lentiginosis PUL is an unusual pigmentary disorder characterized by numerous lentigines grouped within an area of normal skin. No family members have similar lesions.

Partial unilateral lentiginosis, 1,nm Q-switched neodymium-doped yttrium aluminum garnet laser. Subscriber If you already have your login data, please click here. Then, press uni,ateral to send the authors a message. It should be mentioned that all these alterations are considered as findings without an established relation with the disease.

Partial Unilateral Lentiginosis is a rare melanocytic condition that I occasionally encounter in both my The Woodlands dermatology and Conroe dermatology offices. LUP is a rare pigmentation disorder, which should be well known by dermatologists, since it may have association to other diseases and individual lesions may evolve into melanomas, despite its rarity.