An American text-book of genito-urinary diseases, syphilis and diseases of the skin (1898) (14779494131)

Identifier: americantextbook00bang (find matches)

Title: An American text-book of genito-urinary diseases, syphilis and diseases of the skin

Year: 1898 (1890s)

Authors: Bangs, Lemuel Bolton, 1842-1914 Hardaway, W. A. (William Augustus), 1850-1923

Subjects: Urogenital System Urination Disorders Syphilis Skin Diseases

Publisher: Philadelphia, W. B. Saunders

Contributing Library: Columbia University Libraries

Digitizing Sponsor: Open Knowledge Commons

Text Appearing Before Image:

numerous calculi.The bladder has been opened in front, and the prostate divided from the roof of the urethradirectly upward. A and B represent the cut surfaces of the prostate, widely separated, showingthe tension that existed; between these is the floor of the urethra; C, enlarged median lobe; D<numerous vesical calculi; behiud the middle lobe a nest of these is seen. CHANGES IN URETHRA AND NECK OF BLADDER. 277 sluggish venous return. In this condition the mucous membrane offers butslight resistance to microbic invasion. The presence of pathogenic microbesin the bladder frequently depends upon the introduction of instruments thathave not been surgically clean, or the germs may have been carried in byfailing to cleanse the anterior urethra before the instrument was introduced.Cystitis develops, however, independently of these causes. The infectionmay be conveyed by way of the urethral mucous membrane apart frominstrumentation, or may gain access, as claimed by some authors, through

Text Appearing After Image:

Fig. 76.—.4, very large median lobe ; B, floor of urethra (verumontanum).masses. (Original.) No enlargement of the lateral the kidneys, or, as shown by others, directly through the walls of the rectumand bladder. According to the researches of Clado and Albarran, septiccystitis almost invariably depends upon the bacterium pyogenes. This issaid to be identical with the bacillus coli communis. As a result of the irri-tating properties of the germs themselves or their ptomaines an intenseinflammation of the vesical mucous membrane is caused. The urea is decom-posed and ammonia is set free, which acts as a further irritant. The important change produced in the bladder from the standpoint of the 278 DISEASES OF THE PBOSTA TE. surgeon is the loss of power to evacuate its contents even when the mechanicalobstruction is relieved. This may be due to over-distention, sacculation, ormore commonly to crippling of the detrusor muscles as a result of the chronicobstruction. In the early stages of

Ein amerikanisches Lehrbuch über Urogenitalerkrankungen Syphilis und Erkrankungen der Haut 1898 Buchillustrationen Lehrbuch Syphilis Medizin sexuell übertragbare Krankheiten und Störungen Krankheiten Bilder aus dem Internetarchiv botanische Illustrationen

1898

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