. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. 1010 TESTICLE (ABNORMAL ANATOMY). largements of so great a magnitude as ence- phaloid cancer. M. P. Boyer removed a testicle converted into an encephaloid tumour which weighed more than nine pounds.* The vessels of" the cord undergo great enlargement in this disease. In one case which I examined, the spermatic artery was found as large as the radial artery at the wrist. Cancerous germs have also been found in the blood contained in the spermatic veins. Encepha- loid cancer of the testicle occurs at all periods of li
. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. 1010 TESTICLE (ABNORMAL ANATOMY). largements of so great a magnitude as ence- phaloid cancer. M. P. Boyer removed a testicle converted into an encephaloid tumour which weighed more than nine pounds.* The vessels of" the cord undergo great enlargement in this disease. In one case which I examined, the spermatic artery was found as large as the radial artery at the wrist. Cancerous germs have also been found in the blood contained in the spermatic veins. Encepha- loid cancer of the testicle occurs at all periods of life: no age, indeed, can be said to be exempt from it. There are examples on record of operations for the removal of tes- ticles thus affected, within a twelvemonth after birth. On the other hand I have met with the disease as late in life as the age of sixty-four. It more commonly occurs, how- ever, in the middle period of life, or between the ages of twenty and thirty. Carcinoma has, in some few instances, been found to originate from the tunica va- ginalis, the glandular part of the testicle re- maining for some time unaffected. Cases of the kind have been recorded by Sir E. Homef and Sir A. Cooper. The other two forms of cancer, colloid and melanosis, have rarely been observed in the testicle. A preparation of the former disease is contained in the Museum of Guy's Hospital. The organ is enlarged to four or five times its natural size, but pre- serves its oval form : there is scarcely any trace of the natural structure remaining, its place being supplied by colloid matter. Cru- veilhier has related the case of a man who died of melanosis affecting the hand, lungs, heart, stomach, and other parts. There was a deposit of the same character in each tes- ticle. Cystic Disease. — The cysts developed in the substance of the testicle and constituting this disease vary very much both in number and size, and in the appearance of their con- tents. They may be only two or three in nu
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