allergic contact dermatitis

Stubborn ring of rash around a boy's mouthThe mother of a healthy 11-year-old boy brings him to the office for help to clear a rash that has persisted around his mouth for 3 months. Although the boy rarely licks his lips, he does not use lip products and has not changed his dental products.
Acute pruritic eruption on a child’s face and handsYou are asked to evaluate a healthy 9-year-old girl with an itchy rash on her face, neck, and hands for a week. She had a similar eruption 1 month ago that resolved over several days. Although she has a history of poison ivy, her parents knew of no exposure. There was no history of new topical skin products. However, she had begun to eat more seasonal fruits recently, including strawberries, grapes, and mangos.
Pruritic vesicles erupt on a boy’s legsA healthy 12-year-old boy with eczema shows up at the office with an incredibly itchy rash on his legs that has exploded over the last 48 hours. He has a history of dry skin to which his mother regularly applies various moisturizers, including calendula oil.
Patch testing in atopic dermatitisPatch testing is a standard part of the diagnostic regimen for ACD. However, patch testing in patients with AD represents a conundrum for clinicians.
Contact dermatitis and common culpritsDermatologists should note that a new contact allergen is becoming a more prevalent cause of irritation as it is now found more frequently in personal care and laundry products, which are resulting in a greater number of contact allergies now than fragrances and dyes.
Black spots on a toddler’s skinYou are called to the emergency room to evaluate a healthy 2-year-old boy with black spots on his legs that were noted yesterday evening. His younger brother developed similar black spots this morning. The boys are healthy, and the lesions are not symptomatic and appear to be superficial.
Deciphering challenging eczema requires thinking outside and inside the box
Deciphering challenging eczema requires thinking outside and inside the boxAlthough the vast majority of children who present with a challenging eczematous eruption have refractory atopic dermatitis or poor medication compliance, clinicians need to perform a good history and clinical examination to rule out other underlying causes or comorbidities.
Patch testing may prove useful pre- and postimplant surgeryWhatever the medical indication, patients with a clinical history of jewelry or metal allergy who are scheduled to receive metal implants could benefit from patch testing prior to prosthetic device implantation, as the screening test can help identify a patient’s potential hypersensitivity to the implant chosen by the surgeon, says James Taylor, M.D.