Carcinoma in an Aberrant Thyroid at Base of Tongue

Aberrant thyroid tissue in the tongue is unusual. Carcinoma occurring in such an aberrant thyroid is almost unknown. Bérard and Dunet1state that there is not yet on record a proved case of cancer of a lingual thyroid. The following is the history and pathologic report of such a case: REPORT OF CASE A. C., a man, aged 56, admitted to the Episcopal Hospital, Nov. 22, 1916, complained of a lump on the back of his tongue near the right lower molar teeth. This lump had been noticed for more than twenty years; first as a small hard mass that very gradually grew larger. After about five years, it began to give him pain. Thirteen years previous to his admission to the Episcopal Hospital (i. e., in 1903), this mass had been removed at the Methodist Hospital, Philadelphia, by Dr. Walter Roberts, who reported to us that it was