Developer site: The content shown here is test data.

MyEClinic
MyEClinic
Health Dictionary AI Health Chat Find an Online Doctor
A serene Zen garden with raked sand and smooth stones, symbolising clarity and calm

Health Dictionary

Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

Back to skin conditions

Halo sign

Introduction

The halo sign is a finding on ultrasound that suggests the diagnosis of temporal arteritis.[1] The standard diagnostic test for temporal arteritis is biopsy; however, ultrasound and MRI[2] show promise for replacing it.

References

  1. ↑ Schmidt W, Kraft H, Vorpahl K, Völker L, Gromnica-Ihle E (1997). “Color duplex ultrasonography in the diagnosis of temporal arteritis”. N Engl J Med. 337 (19): 1336–42. PMID 9358127.
  2. ↑ Bley T, Brink I, Reinhard M (2006). “[Imaging procedures for giant cell arteritis (Horton’s disease)]”. Ophthalmologe. 103 (4): 308–16. PMID 16538476.

Template:Skin and subcutaneous tissue symptoms and signs Template:Nervous and musculoskeletal system symptoms and signs Template:Urinary system symptoms and signs Template:Cognition, perception, emotional state and behaviour symptoms and signs Template:Speech and voice symptoms and signs Template:General symptoms and signs

Template:WikiDoc Sources