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This case report details a rare childhood disease, diffuse cutaneous mastocytosis with bullous formation. Prompt dermatologic diagnosis is crucial for managing this condition and its associated anaphylaxis risk.

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Area of Science:

  • Pediatric Dermatology
  • Rare Diseases

Background:

  • Diffuse cutaneous mastocytosis (DCM) is a rare pediatric skin disorder.
  • It is characterized by widespread skin involvement and can present with bullous lesions.
  • DCM carries a risk of anaphylaxis, necessitating careful management.

Purpose of the Study:

  • To report a case of diffuse cutaneous mastocytosis with bullous formation in a 5-month-old infant.
  • To emphasize the importance of prompt dermatologic diagnosis in managing this rare condition.
  • To highlight challenges in DCM management due to lack of established treatment guidelines.

Main Methods:

  • Clinical presentation and examination findings of a 5-month-old male infant.
  • Diagnostic procedures including laboratory and imaging workup.
  • Histopathological confirmation via punch biopsy of a cutaneous vesicle.

Main Results:

  • The patient presented with cutaneous bullae, pruritus, erythema, and indurated skin.
  • Laboratory and imaging studies were normal.
  • Punch biopsy confirmed diffuse cutaneous mastocytosis. An EpiPen was prescribed due to anaphylaxis risk.

Conclusions:

  • Diffuse cutaneous mastocytosis with bullous formation is a rare pediatric condition.
  • Early dermatologic diagnosis is essential for appropriate workup and management.
  • The absence of official treatment guidelines presents a management challenge.