Abnormal Urinary Epithelial Cells and Bacteria in Urinalysis - Urology

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Abnormal urinary epithelial cells


In a urinalysis, the presence of 5-10 epithelial cells per high power field (HPF) and a bacterial count of 2+ may indicate some degree of irritation or inflammation in the urinary tract.
The epithelial cells could suggest a possible shedding of the bladder or urethral lining, while the presence of bacteria may indicate a urinary tract infection (UTI) or contamination of the sample.
It is advisable to correlate these findings with clinical symptoms and possibly perform further tests to determine the underlying cause and appropriate treatment.

Huang Mama, 40~49 year old female. Ask Date: 2015/06/08

Dr. Li Yilun reply Urology


Epithelial cells indicate the presence of epithelial shedding, but there are many reasons for this shedding.
Bacterial infection and inflammation are among the causes, so it cannot be determined solely from this finding.
Typically, this is combined with other indicators, such as the presence of white blood cells or red blood cells under microscopic examination.
A result of 2+ for bacteria indicates that bacteria have been observed.
If there are symptoms such as painful urination and frequent urination, it may suggest a urinary tract infection.
However, the condition can vary among different patients, and it is important to note that a simple description cannot determine the diagnosis.
A thorough evaluation, including a medical history, physical examination, and appropriate tests, is necessary for accurate diagnosis and treatment.
It is advisable to seek consultation and examination from a qualified urologist for any health concerns.

Reply Date: 2015/06/08

More Info


When interpreting urinalysis results, particularly concerning urinary epithelial cells and bacteria, it is essential to understand the implications of these findings. In your case, the presence of 5-10 urinary epithelial cells per high power field (HPF) and a bacterial count of 2+ raises some important considerations.

Firstly, urinary epithelial cells are typically derived from the lining of the urinary tract, including the bladder, urethra, and kidneys. A small number of epithelial cells in urine can be considered normal, as they can be shed during the natural process of cellular turnover. However, when the count exceeds the normal range, it may indicate irritation or inflammation in the urinary tract. In your case, 5-10 epithelial cells per HPF is slightly elevated, which could suggest some degree of irritation or inflammation, but it is not necessarily indicative of a severe pathology.

On the other hand, the presence of bacteria in the urine, indicated by a count of 2+, suggests a potential urinary tract infection (UTI) or contamination during the collection process. In a healthy individual, urine is typically sterile, and the presence of bacteria can lead to symptoms such as dysuria (painful urination), frequency, urgency, and sometimes fever or flank pain if the infection ascends to the kidneys. However, it is important to consider the context of the findings. If you are asymptomatic, meaning you do not experience any urinary symptoms, the significance of these findings may be different.

The combination of elevated epithelial cells and the presence of bacteria could suggest a mild urinary tract infection or contamination. It is also worth noting that the method of urine collection can influence the results. For instance, if a midstream clean catch urine sample was not collected properly, it could lead to contamination with bacteria from the skin or genital area, which may not represent an actual infection.

In clinical practice, further evaluation is often warranted when there are abnormal findings in urinalysis. If you are asymptomatic, your healthcare provider may recommend monitoring the situation with repeat urinalysis after a certain period. However, if you develop symptoms or if the findings persist, further investigation may be necessary, including urine culture to identify the specific bacteria and determine appropriate antibiotic treatment if an infection is confirmed.

In summary, while the presence of 5-10 urinary epithelial cells and 2+ bacteria in your urinalysis may suggest some degree of irritation or potential infection, the clinical significance largely depends on your symptoms and the context of the findings. It is advisable to discuss these results with your healthcare provider, who can interpret them in light of your overall health and any symptoms you may be experiencing. Regular follow-up and monitoring may be necessary to ensure that any underlying issues are addressed appropriately.

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