9. Genitourinary Infection

9. Genitourinary Infection - 9. Common Diseases Transmitted...

Info iconThis preview shows pages 1–14. Sign up to view the full content.

View Full Document Right Arrow Icon
    9. Common Diseases Transmitted by Genitourinary Infection
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
    2 Syphilis - the Great Pox caused by a spirochete - Treponema pallidum not seen in gram stain (too thin) visible by darkfield microscopy transmission : by contact - usually sexual intercourse penetrates skin surface through mucous membrane, wound, abrasion, or hair follicle incubation : ~ 3 weeks causes disease in three stages Sexually-Transmitted Bacterial Infections Syphilis
Background image of page 2
    3 Primary syphilis chancre painless circular, purplish ulcer with a raised margin chancre teems with spirochetes -extremely infectious develops at site of infection genitals, lips, pharynx, breasts, etc. rectal, vaginal, uterine chancres not detected but infectious !!! persists for 2-6 weeks, then disappears spontaneously Sexually-Transmitted Bacterial Infections Syphilis
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
    4 Sexually-Transmitted Bacterial Infections Syphilis Chancres
Background image of page 4
    5 Secondary syphilis occurs 3 - 4 months after primary syphilis has become systemic symptoms : fever and swollen lymph nodes skin rash - extremely infectious begins with palms and soles, spreads to other tissue painless and itchless lesions on mucous membranes: mouth, genitals patchy hair loss rash leads to pockmarks damage to liver, spleen, nervous system secondary stage also spontaneously resolves in 2-6 weeks death may occur Sexually-Transmitted Bacterial Infections Syphilis
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
    6 Sexually-Transmitted Bacterial Infections Syphilis Infectious Rash
Background image of page 6
    7 outcomes: one-third recover completely remainder - latency not infectious by sexual contact organism can cross placenta can relapse to secondary syphilis one-third develop tertiary syphilis (3-40 y later) Sexually-Transmitted Bacterial Infections Syphilis
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
    8 Tertiary syphilis may occur in many forms most involve skin, cardiovascular system, and nervous system symptoms : gumma formation (a soft granulomatous lesion of skin or support tissue) immune response to residual treponemes tissue destruction Sexually-Transmitted Bacterial Infections Syphilis
Background image of page 8
    9 Sexually-Transmitted Bacterial Infections Syphilis Gummas of the Skin Skin disfigurement
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
    10 Sexually-Transmitted Bacterial Infections Syphilis Gummas of the Cardiovasculature Aneurysm - cardiovascular gumma weakens arterial wall vessel balloons may rupture normal aorta thoracic aortic aneurysm
Background image of page 10
    11 Neurosyphilis gummas of spinal cord or meninges paralysis gummas of brain blindness, insanity Sexually-Transmitted Bacterial Infections Syphilis Gummas of the CNS
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
    12 Congenital syphilis spirochetes can cross placenta after 4th month newborn may have skin lesions or symptoms may develop later may suffer from poor bone formation meningitis Hutchinson’s triad deafness impaired vision notched, peg-shaped teeth over 50% miscarriage and stillbirth Sexually-Transmitted Bacterial Infections Syphilis
Background image of page 12
    13 Sexually-Transmitted Bacterial Infections Syphilis Congenital Syphilis
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 14
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/07/2008 for the course MBI 111 taught by Professor Clark during the Spring '07 term at Miami University.

Page1 / 78

9. Genitourinary Infection - 9. Common Diseases Transmitted...

This preview shows document pages 1 - 14. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online