. The principles and practice of surgery. roperlyof overflowing of the bladder, due to over-distention; in which thewater is constantly dribbling away in small quantities, and which some-times, greatly to the injury of the patient, have been mistaken for trueincontinence. This condition depends upon a variety of causes, butmost often upon atony of the bladder. It is more frequently ob-served in women than in men. Whenever a doubt exists as to the truecharacter of the incontinence, a catheter should be introduced in orderto establish the diagnosis and to relieve the viscus if it is found to bed


. The principles and practice of surgery. roperlyof overflowing of the bladder, due to over-distention; in which thewater is constantly dribbling away in small quantities, and which some-times, greatly to the injury of the patient, have been mistaken for trueincontinence. This condition depends upon a variety of causes, butmost often upon atony of the bladder. It is more frequently ob-served in women than in men. Whenever a doubt exists as to the truecharacter of the incontinence, a catheter should be introduced in orderto establish the diagnosis and to relieve the viscus if it is found to bedistended. Chronic Enlargement of the Prostate. Syn., Amplificatio Longa Prostatee, R. O. According to the observations of Sir Henry Thompson, the prostatehas been found appreciably enlarged in men who have died after thesixtieth year, in 34 per cent, of all the cases; but such a degree of en-largement as occasioned urinary obstruction during life existed in only15 or 16 per cent, of the whole number. ENLARGEMENT OF THE PROSTATE. 817 Enlarged Middle Lobe of ProstateGland. In general the hypertrophy is exceedingly slow and uniform in itsprogress, and implicates all portions of the gland alike. In other andexceptional examples, either one of the lateral or the central lobe maybe alone involved. It may attain the size of a small orange, and it notunf recpiently extends so far along the bas-f ondof the bladder that its summit cannot bereached by the finger in the rectum. Its struc-ture is usually not changed, although in the pro-gress of its growth the fibrous or the glandu-lar elements may be found in some measurepredominating. Sir Henry Thompson andothers have observed, however, that in mostcases of hypertrophy of this gland there exist,in the interior, minute isolated tumors. Theglandular follicles are also occasionally en-larged and occupied by calculi, or by flattenedpolygonal or spheroidal epithelium in variousconditions of desiccation or of outgrowt


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