Author: Tamás Constantin

Background and Rationale for Reclassification Systemic juvenile idiopathic arthritis (sJIA), formerly known as Still’s disease in chi...

Summary: Septic arthritis and juvenile idiopathic arthritis (JIA) can both cause joint swelling and pain in children, but it is crucial...

Overview of Pediatric Stroke Pediatric stroke is an uncommon but serious cause of neurological problems and death in children. It is ge...

Definition and Pathophysiology Macrophage Activation Syndrome (MAS) is a serious hyperinflammatory condition caused by uncontrolled act...

Lymphadenopathy refers to lymph nodes that are abnormally enlarged or have altered consistency. In children, lymphadenopathy is very co...

Introduction Pericarditis and pleuritis are inflammatory conditions affecting the pericardium (heart lining) and pleura (lung lining), ...

Introduction When a child presents with muscle weakness or pain in the hospital, clinicians must differentiate between various causes o...

Introduction Thrombotic microangiopathy (TMA) and antiphospholipid antibody syndrome (APLA, also called antiphospholipid syndrome or AP...

Overview of CNS Vasculitis in Children Central nervous system (CNS) vasculitis is an inflammatory disease that targets the blood vessel...

Overview of Pediatric Vasculitis Vasculitis refers to inflammation of the walls of blood vessels, which can lead to tissue ischemia and...