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Dihydrate birefringent calcium oxalate or Weddellite calcification
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I read with interest the recent article by Singh and Theaker about calcium oxalate crystals within the secretions of ductal breast carcinoma in situ1 and would like to comment on the eponym “Weddellite calcification.”
The term Weddellite is used because originally calcium oxalate was extracted from the Weddell sea. The British explorer and seal hunter James Weddell (1787–1834) on the brigantine “Jane of Leith” (The Jane) of 160 tons, manned by 22 men, in search of fur seals, explored …