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[Temporal arteritis in young subjects. A trial of nosological classification apropos of 6 cases]
T Genereau1, S Herson, J C Piette
1Service de Médecine Interne de la Salpêtrière, Groupe Hospitalier Pitié-Salpêtrière, Paris.
Insights
Temporal arteritis in young adults can be a manifestation of systemic vasculitis or a distinct entity. Differentiating these forms is crucial for appropriate management, with potential treatment varying from steroids to monitoring.
Area of Science:
- Rheumatology
- Vascular Medicine
- Pathology
Context:
- Temporal arteritis is typically diagnosed in older adults, but can occur in younger individuals.
- Young adult temporal arteritis presents unique diagnostic challenges and potential underlying causes.
- Distinguishing juvenile temporal arteritis from other vasculitides is essential for effective treatment.
Purpose:
- To describe the clinical characteristics of temporal arteritis in young adults.
- To differentiate between systemic vasculitis with temporal involvement and primary juvenile temporal arteritis.
- To explore potential treatment strategies for different forms of young adult temporal arteritis.
Summary:
- Six young adults (19-32 years) with temporal arteritis were studied.
- Three had systemic vasculitis (thromboangiitis obliterans, Churg-Strauss), and three had isolated temporal arteritis.
- Juvenile temporal arteritis differs from giant cell arteritis in younger patients, with distinct clinical features and potential for unique entities.
Impact:
- Highlights the heterogeneity of temporal arteritis in young adults.
- Suggests distinct clinical subtypes within juvenile temporal arteritis.
- Informs diagnostic approaches and potential therapeutic interventions for this rare condition.
Abstract:
Six young-adult patients (19- to 32-years-old) are described: 3 men with temporally localized systemic vasculitis (thromboangiitis obliterans 2, Churg-Strauss angiitis 1) and 3 patients (2 men, 1 woman) with isolated temporal arteritis. Temporal arteritis in subjects under 40 years of age consists of either a temporal localization of systemic vasculitis (thromboangiitis obliterans or Buerger's disease, Churg-Strauss angiitis or polyarteritis nodosa) or a distinct entity of which only 12 biopsy-proven cases have been reported to date. The latter is differentiated from temporal (giant cell) arteritis of the older patient by a higher incidence in men, and the absence or rarity of general symptoms, ocular complications and an accelerated erythrocyte sedimentation rate. Two types of temporal arteritides in young adults seem to be distinguishable: an asymptomatic form with an isolated temporal nodule and a more symptomatic one. In some cases, temporal arteritis in young adults corresponds to a unique entity "juvenile temporal arteritis", which seems to be different from Takayasu's arteritis, localized forms of polyarteritis nodosa and Kimura's disease. Although its treatment remains difficult to define, therapy of the symptomatic form could include steroids, whereas the asymptomatic one seems to require only simple monitoring.