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CHORUS

Collaborative Hypertext of Radiology

Breast

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halo sign

narrow, radiolucent ring surrounding breast lesion
  • indicates benign tumor

  • rare exceptions:
    • intracystic carcinoma
    • papillary carcinoma
    • carcinoma arising in fibroadenoma

Charles E. Kahn, Jr., MD  -  2 February 1995
Last updated:  1 October 2013


 

Related CHORUS documents:
big axillary nodes & normal breasts
stellate breast lesions
circumscribed breast lesions
large, dense breast lesions
Paget disease of breast
coarse breast architecture

 

Copyright © 2013, Charles E. Kahn, Jr.