I recall having examined within the past twelve years five cases of colloid carcinoma of the breast— cases in which the colloidal portion (or portions) of the new growth was large enough and near enough to the surface to be palpable. In all but one of these there was conveyed to the finger on testing for elasticity a peculiar sensation which in the first instance made me apprehensive lest I had ruptured a possible capsule of the nodule, although there was no apparent alteration in its size or shape.
I find it difficult to describe the tactile impression. It might be defined as a delicate swish or crush of a jellylike structure under tension, with the suggestion of a delicate bursting.
In no instance have I obtained the sensation twice in the same case, nor has any assistant felt it on making the examination before or after mine. Presumably there