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RPORT OF A CASE

WILLIAM J. CROMARTIE, M.D.; OSCAR G. NELSON, M.D.

Arch Surg. 1941;43(4):599-608.

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

The origin of the median anlage of the thyroid gland as a diverticulum from the mesobranchial region of the pharyngeal floor, which lies between the ventral extremities of the first two gill pouches, was conclusively demonstrated by Norris¹ in a study of human embryos. According to Joll,² maldevelopment of the median anlage is known to give rise to a variety of abnormalities, which may be located in the midline from the foramen caecum to the level of the suprasternal notch. They include solid tumors, cysts, sinuses and fistulas. A solid tumor of the thyroglossal tract is most common in the region of the foramen caecum, although microscopic amounts of thyroid tissue may occur in any part of the primitive tract. Such a tumor usually consists of well differentiated thyroid tissue and constitutes a lingual thyroid. Ray³ collected 250 cases of this condition recorded in the literature from . . . [Full Text PDF of this Article]

Author Affiliations
NASHVILLE, TENN.

From the Department of Pathology, Vanderbilt University School of Medicine, and from the Protestant Hospital.

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