Chapter 10
Diseases of the Urinary System
Organs and Function
Kidneys – Filter blood plasma, maintain
water and electrolyte balance, produce urine,
maintain pH levels (regulate body fluids)
Ureters – transport urine to the bladder
Urinary bladder – Serves as a reservoir for
urine
Urethra – conveys urine to exterior
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Diseases of the Kidney
Signs and symptoms
Hydronephrosis –pain, hematuria, pyuria
and fever if infection is present
Polycystic kidney – hypertension, uremia,
leads to renal failure
Urinary calculi – kidney stones – intense
pain radiating to groin
Cancer – hematuria, pelvic pain, frequent
urination (all later in disease, no
symptoms at first)
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Diseases of the Kidney
Signs and symptoms
Hydronephroma – painless hematuria,
later pain, loss of appetite, weight loss,
anemia, elevated white blood count
Wilms’ tumor – in young children, similar
to hydronephroma in adults
Pyelonephritis – pyuria, chills, high fever,
sudden back pain, dysuria, hematuria,
uremia, eventual renal failure
Pyelitis – dysuria, urgency, frequency
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Glomerulonephritis – Acute: follow strep
infection, chills, fever, loss of appetite,
weakness, edema, hematuria, albuminuria,
casts; Chronic: remission of acute – ends
with contracted kidneys, uremia.
Renal failure – Acute: oliguria, anuria,
headache, GI distress, muscle weakness,
ammonia smell; Chronic: slow
development, increase in urinary blood,
nausea, vomiting, diarrhea, dim vision,
CNS affected, convulsions, coma
Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc.
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Diseases of the Bladder
Signs and symptoms
Cancer – hematuria, dysuria, fatigue,
anorexia
Cystitis – urinary frequency, urgency,
burning sensation during urination, blood
in urine
Urethritis – burning sensation during
urination, itching, discharge, in females it
accompanies cystitis
Incontinence – involuntary loss of urine
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