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Educating pediatric eczema patients and caregivers on appropriate product selection and avoidance of common irritants or allergens is a crucial aspect of eczema management. This study surveyed 80 pediatric caregivers in an academic pediatric dermatology clinic to assess influential factors in caregivers' selection of pediatric eczema-care products and identify ways to improve patient counseling on appropriate product selection and avoidance of common irritants or allergens. Caregivers frequently reported positive perceptions of commonly recommended ingredients for eczema but had inconsistent perceptions of fragrant plant oils and extracts, regardless of previous counseling on fragrance avoidance. These findings demonstrate uncertainty and misperceptions perpetuated by product labeling and a need for improved counseling strategies for avoiding fragrance and excessive product costs., (© 2023 Wiley Periodicals LLC.)

An 8-year-old female with chronic oral candidiasis and severe seborrheic dermatitis was found to have a heterozygous mutation (p.R14X c.40 C>T) of the IL-17RC gene, which was predicted to possibly represent a new pathogenic variant via truncation or nonsense-mediated mRNA decay. Given previously reported IL-17RC-related disorders are autosomal recessive, we would expect an affected individual to have two mutated alleles whereas our patient was heterozygous. Given the overlapping clinical picture, this variant could be responsible for altered immunity against both Candida and Malassezia species. This is the first report to our knowledge of chronic oral candidiasis and severe seborrheic dermatitis in a patient with a heterozygous variant (p.R14X c.40 C>T) for the IL-17RC gene., (© 2023 Wiley Periodicals LLC.)

Trachyonychia (or twenty-nail dystrophy) is an uncommon chronic disorder manifesting as thin, flattened, brittle nails with excessive longitudinal ridging and loss of luster creating a "sandpaper-like" texture that most commonly presents spontaneously in childhood as an isolated phenomenon; however, it has been historically associated with numerous dermatoses. Rarely, trachyonychia has been reported to occur in families, suggesting a potential hereditary predisposition. We report trachyonychia occurring simultaneously in dizygotic twins, further supporting a possible underlying genetic basis of this idiopathic nail disorder., (© 2021 Wiley Periodicals LLC.)

Congenital multiple clustered dermatofibroma (MCDF) is a rare, idiopathic, benign tumor presenting at birth as an asymptomatic hyperpigmented patch that is stable until puberty, at which time it enlarges and develops papules. Ultimately, MCDF appears to follow a stable, benign course. We present a case of a 12-year-old girl with congenital MCDF. To our knowledge, this is only the third reported case of congenital presentation of MCDF and the only case featuring atrophoderma-like depression., (© 2011 Wiley Periodicals, Inc.)

We describe three teenage siblings with confluent and reticulated papillomatosis, all presenting during a 6-month period. Two of the three patients had confirmed tinea versicolor, with positive potassium hydroxide scrapings, in association with this entity. This is the largest series of siblings with confluent and reticulated papillomatosis, and the only report describing family members having both confluent and reticulated papillomatosis and tinea versicolor. This report lends further evidence to the hypothesis that confluent and reticulated papillomatosis may be etiologically linked to tinea versicolor, and also suggests a genetic predisposition for it.

We report a case of congenital primary cutaneous rhabdomyosarcoma, solid alveolar type, presenting as a solitary skin lesion on the right upper lip of a 2-week-old infant boy. Rhabdomyosarcoma originates from the embryonic mesenchyme precursor of striated muscle. Histologically it belongs to the group of "small round cell tumors." Its myogenic origin is ascertained by immunohistochemical studies positive for myogenin, muscle-specific actin, desmin, and myoglobin. Malignancy in the neonatal period is uncommon and the clinical management presents considerable challenges. Congenital alveolar rhabdomyosarcoma is a highly malignant tumor with no record of long-term survivors. Treatment options include chemotherapy, excision, and radiotherapy. This infant's tumor was responsive to chemotherapy and surgery and he was free of disease at the 6-month follow-up.

Congenital self-healing reticulohistiocytosis (CSHR) represents the benign end of the spectrum of Langerhans cell histiocytoses, with spontaneous resolution of lesions within the first year of life. However, involvement of organ systems other than the skin has been described occasionally and recurrence of disease at sites distant from the skin has been documented. We report a case of CSHR with eye involvement that spontaneously resolved concurrent with resolution of skin lesions. Because multiple organ systems can be involved and recurrences are possible, long-term follow-up of these patients is indicated.

We describe a 10-day-old term infant who presented to the emergency room with an acute pustular eruption. Laboratory tests and clinical outcome confirmed the diagnosis of erythema toxicum neonatorum. A full septic workup was performed and all cultures were negative. Wright-stained smear of pustular contents showed a predominance of neutrophils with 10% eosinophils. The white blood cell count was 19,000/mm3 with 10% eosinophils. The eruption resolved spontaneously at 15 days of age leaving no sequelae. This is the first fully documented case of erythema toxicum in a term infant occurring as late as 10 days of age. When erythema toxicum presents in an atypical fashion, diagnostic tests are important to exclude other causes of pustular dermatoses of the neonate.