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J. S. PRITCHARD, M.D.

Arch Intern Med. 1923;32(2):259-282.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Before considering the following cases of calcareous degeneration found in the thoracic region, a brief review of the subject seems advisable. The chemical, physical and clinical evidences of pathologic calcifications have been noted from time to time for many years; interesting cases have been reported in the literature and important treatises written regarding cause and effect.

Aristotle and Galien¹ mentioned cases of "stone in the lung" in their records. Sommering² in 1769 wrote of a case of pulmonary calcification which he considered as a secondary manifestation (metastasis). In 1824, Rullier³ reported a case of primary calcification of a right upper lung in which a great number of calcified fragments were found. Furhmann⁴ thought that the deposition of calcium salts might follow any chronic irritation of the body tissues, and that this explanation accounted for "exercise bone" (calcium formation in deltoid muscle) and "the riders' bones," which proved to be calcium . . . [Full Text PDF of this Article]

Author Affiliations
BATTLE CREEK, MICH.

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