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Systemic conditions may have pigmentary associations. Prompt recognition of these associations allows the practitioner to initiate the appropriate workup and therapy when indicated. This contribution highlights some of the clinical features of neurofibromatosis 1, LEOPARD syndrome, acanthosis nigricans, hypomelanosis of Ito, incontinentia pigmenti, CHILD syndrome, and piebaldism to assist the dermatologist in making the proper diagnosis., (Copyright © 2015 Elsevier Inc. All rights reserved.)

In this article, we delineate some of the unique features of dermatoses in adolescents of color. The information provided should help assist practitioners in making accurate and timely diagnoses so that appropriate therapies can be prescribed.

In this article, we have presented evidenced-based recommendations for primary care providers in their approach to the treatment of acne in adolescents. Table 2 summarizes the treatment recommendations proposed in this article.

This article has addressed some of the recent discoveries in pathogenesis and treatment options of 4 papulosquamous disorders: atopic dermatitis, psoriasis, seborrheic dermatitis, and nickel contact dermatitis.

Benign dermatoses in newborns must be distinguished from more serious disorders with cutaneous manifestations. Erythema toxicum neonatorum, transient neonatal pustular melanosis, sucking blister, miliaria and mongolian spots are among the many benign skin conditions that can occur in newborns. Recognition of these dermatoses allows the physician to proceed appropriately, reassure the parents and initiate further evaluation or treatment as necessary. To avoid adverse sequelae, special attention must be given to more persistent conditions and those with the potential for complications or malignant transformation. Consultation with a pediatric dermatologist, a plastic surgeon or a neurosurgeon may be necessary.

Cutaneous lesions of anaplastic large cell (CD30+) lymphoma (ALCL) typically present as solitary or multiple ulcerated nodules. This tumor is histologically characterized by a diffuse dermal and sometimes subcutaneous infiltrate composed of bizarre, pleomorphic, neoplastic cells that may be occasionally multinucleated. We report a case of extranodal spread of ALCL to the skin in a 2 1/2-year-old boy presenting as a widespread papular eruption that on biopsy showed lymphoma restricted to the perivascular and periadnexal dermis.