Paediatric Psoriasis
Fig. 34.1 Well-defined salmon-coloured plaques, topped with silvery scales in chronic plaque psoriasis Histologically, there is an increase in multiplication and turnover of keratinocytes. Three key features are a thickened…
Metabolic Hyperpigmentation: Carotenemia, Pernicious Anemia, Acromegaly, Addison’s Disease, Diabetes mellitus, and Hemochromatosis
Fig. 13.1 Carotenemia. Yellow-orange discoloration on the palms as compared with that of a normal control Pathogenesis Humans do not synthesize carotene; carotene must be ingested. Fruit and vegetables are…
Pediatric Mastocytosis
Cutaneous mastocytosis (a) Solitary mastocytoma (b) Maculopapular cutaneous mastocytosis/urticaria pigmentosa (c) Telangiectasia macularis eruptiva perstans (d) Diffuse cutaneous mastocytosis Indolent systemic mastocytosis (ISM) Systemic mastocytosis with associated clonal hematologic disease…
Skin Cancer Epidemic in American Hispanic and Latino Patients
Fig. 49.1 Advanced stage melanoma in a Hispanic patient The incidence of cutaneous melanoma has been growing over the past decades [12]. In the past 20 years in the USA…
Pityriasis Rosea
Source Location Population No. of patients Incidence Male:female ratio Age range Peak age Seasonal variation Jacyk [6] Nigeria All 138 2.42/100 Dermatologic patients 1.0:1.12 18 months to 55 years 15–24…
Atopic Dermatitis in Pediatric Skin of Color
Major Criteria • Pruritus • Typical Morphology and Distribution – Flexural lichenification in adults – Facial and extensor involvement in infancy • Chronic or chronically relapsing dermatitis • Personal or family history of…
Becker’s Nevus
(1) Hospital del Niño Jesús, Tucumán, Argentina Abstract Becker’s nevus is characterized by the presence of a light or dark brown patch or plaque with a sharply outlined but…
Normal Color Variations in Children of Color
Race/ethnicity Fitzpatrick types Skin reactions Asian/East Asian II–IV Risk of sun damage, dyspigmentation/melasma, facial sensitivity, and keloids Black/African American/Afro-Caribbean IV–VI Risk of dyspigmentation, especially hyperpigmentation Obfuscation of diagnosis due to…
Seborrhoeic Dermatitis in Children
Fig. 31.1 Seborrhoeic dermatitis affecting the scalp and face, especially the eyebrows and perinasal regions (photo courtesy of Prof. Ruiz-Maldonado, MD) Fig. 31.2 Infantile seborrhoeic dermatitis affecting the diaper area…
Kawasaki Disease
Epidemiological case definition (classic clinical criteria)a Fever persisting at least 5 daysb Presence of at least 4 principal features: 1. Changes in extremities (a) Acute: Erythema of palms, soles; edema…
