10/151 Fetal adenoma, which is a formation of gland tissue from the remains of fetal structures in the gland; 3. Gelatinous or interacinous adenoma, which consists in an enlargement of the acini by an accumulation of colloid material, and an increase in the interacinous tissue by a growth of round cells. It is this latter form in which cysts are frequently found. The accompanying illustration pictures an extreme ease of cystic goiter shown by Warren. A small tumor of the middle lobe of the gland, not larger that a hen's egg, will do more damage to the trachea than will a large tumor, such as that shown by Senn, after Bruns. |