Langerhans Cell Histiocytosis Mimicking a Meningeal Lesion with Temporal Bone and Muscle Compromise in an Adult Patient: A Case Report.

 Langerhans cell histiocytosis (LCH) is a rare proliferative systemic disease characterized by the growth of abnormal dendritic cells and wide-ranging organ involvement. This condition can affect individuals of all ages, but most commonly children, with a peak incidence in toddlers. Symptoms may vary depending on the affected organ or system.

Balo's concentric sclerosis: An atypical demyelinating disease in pediatrics.

Background: Baló's concentric sclerosis (BCS) is a rare subtype of tumefactive demyelinating disease with characteristic radiological and pathological features. In the medical literature, less than 10 BCS cases have been reported in the pediatric population.

Case: We report the case of a 5-year-old boy who presented to the emergency department with 2 days of left-sided weakness.