Article Text


Calcium oxalate crystals (Weddellite) within the secretions of ductal carcinoma in situ--a rare phenomenon.
  1. N Singh,
  2. J M Theaker
  1. Department of Histopathology, Southampton General Hospital, UK.


    A case is described in which calcium oxalate (Weddellite) crystals were identified in an area of ductal carcinoma in situ of the breast. Seventy other cases were examined but no evidence of Weddellite was detected. This is evidently a rare phenomenon in carcinoma in situ.

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