urination foreign body sensation
Introduction
Introduction The foreign body sensation of urination is due to the feeling of foreign body sensation when urinary calculi patients urinate. Urinary calculi are rare in clinical practice. Most are derived from the urinary system above the bladder and bladder, such as kidney stones, ureteral stones or bladder stones. Stones can stay in the urethra or invade the urethra, scaphoid or urethra of the prostate when discharged. A small number of secondary to urethral stricture, urethral atresia, foreign body or urethral diverticulum. Stones that originate in the urethra are quite rare. Usually a single stone. Most of the stones in the combined infection are ammonium magnesium phosphate. Most female urethra stones occur in the urethral fistula.
Cause
Cause
Urethral calculi are divided into primary and secondary types, and the causes are as follows:
1. Primary urethral stones: refers to the stones that are formed in the urethra at the beginning, urethral stricture, infection, retention cysts, mucosal damage, diverticulum and foreign bodies are the causes.
2. Secondary urethral calculi: refers to the formation of stones in the urinary system above the urethra and then into the urethra and stays in the urethra, staying in the urethral physiology and the proximal part of the stenosis, so the urethra stones are more common in the urethra Department, ball, penis, scaphoid, and urethra.
Examine
an examination
Related inspection
Urine routine prostate examination semen citric acid
Diagnosis of urethral stones In addition to careful medical history, physical examination is very important. It mainly includes the following points:
1. Male anterior urethra stones can be touched with stones or induration in the penis or perineum and have tenderness. The posterior urethra stones can be touched in the perineum or through the rectum. Stones located in the scaphoid and urethra can even be seen. Female patients can touch the stones and diverticulum through the vagina.
2. Use a metal probe to check the urethra: When the probe touches the stone, it can feel hard and rubbing.
Diagnosis
Differential diagnosis
Urinary dysfunction: symptoms of urinary tract dysfunction or urinating due to ureteral obstruction.
Poor urination: The main cause of poor urination is due to obstruction on the urinary tract or lack of contraction of the bladder.
