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    Catalina Matiz, MD

    Opinion

    A 14-year-old male presents to clinic with a new-onset rash of the hands

    Author:
    Catalina Matiz, MD
    Margaret Appiah
    Publish date: April 15, 2022

    A 14-year-old male presented to clinic with a new onset rash of the hands.

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    Opinion

    A 19-month-old vaccinated female with 2 days of rash

    Author:
    Catalina Matiz, MD
    Elana Kleinman
    Publish date: February 15, 2022

    Female toddler presents with a progressive rash, although she is otherwise asymptomatic.

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    Opinion

    What is the diagnosis?

    Author:
    Catalina Matiz, MD
    Publish date: December 10, 2021

    A 35-day-old female was referred to our pediatric dermatology clinic for evaluation of a red lesion on the right arm.

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    Opinion

    Teen boy’s knee lesion has changed

    Author:
    Catalina Matiz, MD
    Publish date: October 20, 2021

    A teen boy has a violaceous circular plaque on his left knee.

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    Opinion

    What’s under my toenail?

    Author:
    Catalina Matiz, MD
    Publish date: August 17, 2021

    A 13-year-old female was seen by her pediatrician for a lesion that had been on her right toe for about 6 months.

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    Opinion

    An otherwise healthy 1-month-old female presents with lesions on the face, scalp, and chest

    Author:
    Catalina Matiz, MD
    Ayan Kusari
    Publish date: June 15, 2021

    A 1-month-old female infant presented to the dermatology clinic with a 3-week history of recurrent skin lesions on the scalp, face, and chest.

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    Opinion

    A 12-year-old male has persistent purple toes and new red lesions on his hands

    Author:
    Catalina Matiz, MD
    Publish date: April 15, 2021

    A punch biopsy from one of the lesions on the feet showed subtle basal vacuolar interface inflammation on the epidermis and rare apoptotic...

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    Article

    Make the Diagnosis - March 2021

    Author:
    Catalina Matiz, MD
    Publish date: February 19, 2021

    A young boy presents with a violaceous lichenified rash.

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    Opinion

    A girl presents with blotchy, slightly itchy spots on her chest, back

    Author:
    Catalina Matiz, MD
    Publish date: December 15, 2020

    What condition can present in childhood causing pale macules and patches surrounded by erythematous ill-defined patches?

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    Opinion

    A teen presents with a severe, tender rash on the extremities

    Author:
    Catalina Matiz, MD
    Publish date: October 16, 2020

    A 13-year-old girl presents with skin that is red and hot; she has tense bullae on the neck, arms, and legs.

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    Opinion

    A 4-year-old with a lesion on her cheek, which grew and became firmer over two months

    Author:
    Catalina Matiz, MD
    Publish date: August 19, 2020

    A toddler presents with pink, rubbery, nontender, nonfluctuant nodules on the cheek.

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    Opinion

    What presents as deep erythematous papules, pustules, and may form an annular or circular plaque?

    Author:
    Catalina Matiz, MD
    Publish date: June 18, 2020

    It is a cutaneous mycosis in which the fungal infection goes deeper into the hair follicle causing a...

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    Opinion

    What's your diagnosis?

    Author:
    Catalina Matiz, MD
    Publish date: April 16, 2020

    A baby boy presents with purpuric papules on his face, arms, legs, and edematous extremities.

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    Opinion

    Nail dystrophy and nail plate thinning

    Author:
    Catalina Matiz, MD
    Publish date: February 20, 2020

    The child also had longitudinal fissuring of all fingernails on presentation.

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    News

    Make the Diagnosis

    Author:
    Catalina Matiz, MD
    Publish date: December 19, 2019

    What condition presents in children as flesh-colored bumps that may becomes crusty and somewhat itchy?

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