2020年8月15日 · Immunoglobulin A (IgA) vasculitis, formerly known as Henoch-Schönlein purpura, is defined as a systemic, immune complex–mediated, small-vessel leukocytoclastic vasculitis...

2024年10月28日 · Immunoglobulin A vasculitis (IgAV; formerly called Henoch-Schönlein purpura [HSP]) , is the most common form of systemic vasculitis in children, with an incidence range of 3 to 27 per 100,000 . Ninety percent of cases occur in the pediatric age group. In contrast to many other forms of systemic vasculitis, IgAV is typically self-limited.

2023年9月26日 · IgA vasculitis, formerly known as Henoch-Schönlein purpura, is a complex immune-mediated vasculitis characterized by the involvement of small blood vessels in various organ systems. IgA vasculitis primarily affects the small vessels of the joints, kidneys, gastrointestinal tract, skin, and, in rare instances, the central nervous system and lungs.

2023年6月28日 · Henoch-Schönlein purpura (HSP; also referred to as Schönlein-Henoch purpura, anaphylactoid purpura, or purpura rheumatica) is an acute immunoglobulin A (IgA)–mediated...

2021年9月21日 · No single laboratory test can confirm Henoch-Schonlein purpura, but certain tests can help rule out other diseases and make a diagnosis of Henoch-Schonlein seem likely. They may include: Blood tests. Your blood may be tested if your diagnosis isn't clear based on your signs and symptoms. Urine tests.

In many fewer cases, primarily in adults, HSP can progress from hematuria (blood in the urine) to renal insufficiency (decreased kidney function). HSP patients who experience this symptom should be followed more closely, with regular testing of their urine for blood and protein.

Serum IgA levels are elevated in the majority of patients with HSP, and in patients with renal involvement higher IgA levels are detected. The routine blood tests CBC (complete blood count), metabolic profile, urinalysis are usually inconclusive. Patients with occult GI …

2025年2月12日 · Physical exam reveals palpable purpura on his buttocks and bilaterally on his legs and abdominal tenderness. On laboratory evaluation, there is no thrombocytopenia. The physician reassures his mother that this will resolve on …

2024年7月15日 · Henoch-Schönlein purpura (HSP) is a disease that inflames small blood vessels. The inflammation causes blood vessels in the skin, intestines, kidneys, and joints to start...

Henoch–Schönlein purpura (HSP) is a form of leukocytoclastic or small-vessel vasculitis, most often observed in children. It is sometimes called anaphylactoid purpura. HSP results from inflammation of the small blood vessels in the skin and various other tissues within the body.