Dermatology

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A 7-year-old African American girl presented with an asymptomatic gray lesion beneath her right eye that had appeared before her first birthday. She was a healthy child with macular gray discoloration on the right infraorbital skin. There was no abnormal pigment noted on the conjunctiva.

A 12-year-old girl presented to the emergency department with progressing generalized inflammatory symptoms (fever and malaise), visual difficulty, severe inspiratory dyspnea, and 2 painless lesions on the right upper lip that had persisted for a few days. She had been well until 2 days before presentation, when she noticed a small pimple-like lesion above the right upper lip that was followed rapidly by facial edema, erythema, and constitutional symptoms.

Baby girl born at 37 weeks’ gestation to a gravida 2 para 1, 25-year-old mother by spontaneous vaginal delivery. Apgar scores, 8 at both 1 and 5 minutes. Placenta grossly normal with a 3-vessel cord. Prenatal course uncomplicated. Mother’s blood type, A-positive. Results of prenatal testing negative for hepatitis, syphilis, rubella, group B streptococcal disease, and HIV infection. No significant maternal or family history.

Most children who present with undifferentiated rash and fever-or fever and rash and nonspecific physical findings-have a benign viral illness. However, identifying those few who have an early or atypical presentation of a more serious disease is vitally important. Here-clues that can help.

A papulosquamous rash spread from this boy’s head and neck to cover most of his body; however, areas on his trunk were spared.

This 11-year-old girl has had an intensely itchy rash on her left leg for the past 10 years. It has been slowly progressing, to the point that it now extends the entire length of the leg. She has become extremely frustrated by the recurring bouts of itchiness and is desperate for relief.

A 16-year-old girl presented to the emergency department (ED) with an anaphylactic reaction to a bee sting on the right side of her neck. Within 15 minutes of her arrival, swelling, numbness, and pain developed at this site. She also had headache, shortness of breath, and vague abdominal pain associated with nausea.

A 20-month-old boy brought to the emergency department with swelling on the right side of the neck and fever (temperature, 39.3°C [102.7°F]) of 1 day’s duration. The parents reported that the child had had intermittent fevers and poor weight gain for the past 3 months but no vomiting, diarrhea, rash, drooling, or difficulty in swallowing.

This asymptomatic swelling above a 3-month-old boy's left eyebrow had not changed since birth. The 15 × 13-mm, soft, nontender, freely mobile nodule had no punctum, hair tuft, or other skin anomaly. The infant was born at term and was otherwise healthy. At the parents' request, the nodule was excised without complications by a pediatric surgeon. Pathological findings showed lamellated keratin within the mass and surrounding pilosebaceous units opening into the mass, consistent with a dermoid cyst.

Allergy testing can aid the diagnosis of allergic disorders; however, it is not diagnostic. With skin testing, in particular, a positive result does not necessarily indicate clinical allergy, and a negative result does not always exclude clinical relevance.

Bullous impetigo caused multiple areas of denuded skin, consisting of ruptured bullae with underlying erythema, on the face, lower abdomen, and thighs in this infant.

Type 1 diabetes mellitus (T1DM) is the most common type of diabetes encountered in children. The incidence of T1DM in children is increasing in some populations. Early recognition of symptoms of T1DM is critical to avoid life-threatening metabolic decompensation. Such symptoms can include polyuria, polydipsia, fatigue, weight loss, urinary tract infection, vaginal candidiasis, and “fruity” breath. In the presence of clinical symptoms of hyperglycemia, diagnosis requires just 1 laboratory blood glucose measurement above the established threshold for the child’s age. In the absence of typical symptoms, a second abnormal blood glucose measurement on a different day is needed.

Acanthosis Nigricans

A 5-ft 1-in, 183-lb 14-year-old girl was concerned about the areas of thickened hyperpigmentation on her posterior neck and in her cleavage.