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DAVID SASHIN, M.D.

Arch Surg. 1931;22(4):527-547.

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

Intervertebral disk extensions into the adjacent vertebral bodies or into the spinal canal have until recently been unknown. Schmorl,¹ in 1926, was the first to direct attention to this pathologic condition. On removal and sagittal sectioning of the vertebral column in routine postmortem examinations, he found one or more intervertebral disk extensions in the vertebral bodies in 38 per cent of the spines examined. Schmorl named these areas of disk invasions of the bodies cartilage nodes (Knorpel Knötchens). In 1929, both Andrae² and Schmorl³ described similar disk extensions into the spinal canal.

Since Schmorl's first description of the pathologic picture of the intervertebral disk extensions into the vertebral bodies, a number of papers dealing with the clinical phase of this subject have appeared in the German literature. Schanz,⁴ in a paper on the vertebral column and trauma, suggested the possibility of a direct causal relationship between . . . [Full Text PDF of this Article]

Author Affiliations
Frederick Brown Research Fellow, Hospital for Joint Diseases NEW YORK

Footnotes
Submitted for publication, June 21, 1930.

The pathologic specimens were removed by the author on autopsy at the Pathologic Institute of the Stadt Krankenhaus Dresden Friedrichstadt, of which Geheimrat Prof. Schmorl is the director. The roentgenograms and clinical cases are from the roentgenologic and orthopaedic departments of the Hospital for Joint Diseases, New York.

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