Medical Treatment of the Prostate Gland. Part 9
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The Department of Urology of the New York Hospital
(Given January 31, 1941)
Tuberculosis of the Prostate Gland
Etiology and Incidence. Tuberculosis of the prostate is a disease of the young adult and, as a rule, is observed in those in the third and fourth decades of life. It is almost always a secondary involvement in a progressive tuberculosis which is extending throughout the urogenital system. In most instances it is probably an extension from the seminal vesicles. Between 50 and 70 per cent of all cases of tuberculosis of the male genital tract show involvement of the prostate.
Pathology. At first the prostatic lesion may be confined to the region about the ejaculatory duct on the side corresponding to the infected vesicle, whence it spreads, by way of the acini or the lymphatics, to other parts of the gland. In the rare cases in which the prostate is infected by tubercle bacilli conveyed in the urine, the initial lesion is periurethral.
The first pathological change is the formation of tubercles. The tubercle bacilli are apparently first deposited in the walls of the small capillaries. Other tubercles develop from these original foci and extend in the usual manner. Later stages are fibrosis, caseation, and suppuration. Suppuration may result in rupture of an abscess through the prostatic capsule, with the formation of an intractable perineal fistula; or there may be rupture into the urethra. Spontaneous healing is rare. Small caseous areas may become encapsulated and latent, or they may undergo calcification and encapsulation.
Symptoms and Diagnosis. With well-walled-off tubercles, there may be no untoward symptoms whatsoever. If the tubercles have coalesced and finally ruptured into the urethra, there will be frequency, dysuria, hematuria, and pyuria.
Rectal examination reveals a nodular, elastic gland, usually affected on one side only, and differing from a carcinomatous condition in that it lacks the board-like consistency usually associated with the latter. The secretion may show tubercle bacilli. Differential diagnosis is based chiefly on microscopic study of a specimen of diseased tissue.
Treatment. The hygienic, dietary, and therapeutic measures advocated for postoperative and inoperable tuberculosis of the urogenital tract are usually prescribed, and good results have been obtained by us therefrom in some cases. When calcium deposits are present, total prostatectomy is indicated. On the other hand, in acute and subacute tuberculosis of the prostate, operation is distinctly contraindicated. Even in the presence of abscess, it is preferable to allow it to absorb or rupture into the urethra rather than to evacuate it through the perineum, as this is likely to result in a persistent fistula. Radical removal of the genital tract is inadvisable in patients with extensive involvement of the prostate gland.
Cysts of the Prostate Gland
Cysts of the prostate gland are decidedly rare. They may be either congenital or acquired. The most common is the simple retention cyst, which may arise in any portion of the gland and is merely a normal acinus the duct of which has become occluded, causing expansion of the acinus.
Treatment. Smaller retention cysts, producing no symptoms, are best left alone. When treatment is necessary, destruction of the cyst by fulguration, or removal by prostatic resection instruments, is the treatment of choice.
