Nephrocalcinosis

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Male urinary system

There are generally no early symptoms. Later symptoms related to nephrocalcinosis and associated disorders may include the following:

• Increased urine volume or urine output, decreased
• Urinary hesitancy (difficulty initiating the flow of urine)
• Dribbling of urinary incontinence
• Decrease in the force of the urinary stream, stream small and weak
• Increased urinary frequency or urgency
• A need to urinate at night (nocturia)
• Painful urination ( burning or stinging with urination )
• Feeling of incomplete emptying of the bladder
• Blood in the urine
• Flank pain or back pain
  • one or both sides
  • progressive
  • severe
  • spasm-like (colicky)
  • may radiate or move to lower in flank, pelvis, groin, genitals
• Nausea , vomiting
• Generalized swelling , fluid retention
• Decrease in sensation , especially the hands or feet
• Changes in mental status
  • drowsy , lethargic , hard to arouse
  • delirium or confusion
  • coma
• Seizures
• Blood in the vomit or stools
• Easy bruising or bleeding

An examination but may indicate disorders that occur as a consequence of nephrocalcinosis. There may be signs of fluid overload, such as abnormal heart and lung sounds, if kidney function is poor.

• An abdominal film shows renal calcification.
• An abdominal CT scan shows nephrocalcinosis.

Other tests may be performed to diagnose and determine the extent of associated disorders.

Review Date: 09/13/2005
Reviewed By: Robert Mushnick, M.D., Clinical Assistant Professor, SUNY Downstate Health Center, Brooklyn, NY. Review provided by VeriMed Healthcare Network.