DMSA Renal in Hyderabad: What Parents and Patients Should Know
By Focus Diagnostics
9 October 2026
10 min readDMSA Renal Scan in Hyderabad: What Parents and Patients Should Know
A DMSA renal scan is a nuclear medicine examination used to evaluate the renal cortex, the outer functional portion of the kidneys. It can provide information about how the kidney tissue is functioning and whether there are areas of reduced or abnormal tracer uptake.
A DMSA scan in Hyderabad may be recommended for selected kidney and urinary tract conditions, particularly when a doctor needs information about renal cortical function or wants to evaluate whether there are areas of cortical abnormality.
DMSA renal imaging can be useful in both children and adults when clinically indicated. The examination uses a small amount of a radiotracer and a gamma camera to create images of the kidneys.
What Is a DMSA Renal Scan?
DMSA stands for Dimercaptosuccinic Acid.
A DMSA renal scan is a type of nuclear medicine imaging examination in which a DMSA-based radiotracer is administered to the patient. The tracer is taken up by functioning renal cortical tissue.
A gamma camera detects the radiation emitted by the tracer and creates images of the kidneys.
The resulting images can help doctors assess the distribution of functioning renal cortical tissue and identify areas where tracer uptake is reduced.
What Is the Renal Cortex?
The renal cortex is the outer portion of the kidney and contains important structures involved in kidney function.
A DMSA scan specifically provides information about the distribution of functioning cortical tissue.
This makes the examination different from some other renal scans that primarily focus on blood flow, filtration or urinary drainage.
Why Is a DMSA Scan Done?
A doctor may recommend a DMSA scan when information about renal cortical function is required.
Depending on the clinical situation, it may be used for:
- Evaluation of selected kidney infections
- Assessment of renal cortical abnormalities
- Evaluation of suspected renal scarring
- Assessment of relative function of the kidneys
- Evaluation of selected congenital kidney abnormalities
- Follow-up of certain urinary tract conditions
- Assessment of kidney damage in selected clinical situations
The exact reason for the scan depends on the patient's age, symptoms, medical history and the doctor's clinical question.
DMSA Scan in Children
DMSA renal scans are sometimes recommended for children when doctors need to evaluate the renal cortex.
Children with selected urinary tract or kidney conditions may undergo DMSA imaging when the doctor needs to assess renal cortical involvement or possible scarring.
The decision is based on the child's clinical history and previous investigations.
Parents should follow the preparation instructions provided by the nuclear medicine team and inform the team about the child's medications and medical history.
How Does a DMSA Renal Scan Work?
The DMSA radiotracer is usually administered through an intravenous injection.
After administration, the tracer circulates through the bloodstream and is taken up by functioning renal cortical tissue.
A waiting period is generally required before imaging so that sufficient tracer uptake can occur in the kidneys.
The patient is then positioned for imaging, and a gamma camera captures images of the kidneys.
The images are processed and interpreted by the appropriate medical professional.
What Does a DMSA Scan Show?
A DMSA scan shows the distribution of the radiotracer within the renal cortex.
Areas with good tracer uptake generally represent functioning cortical tissue.
Areas with reduced or absent uptake may require further evaluation depending on the clinical context.
Reduced uptake can have different possible causes, and the scan should be interpreted together with the patient's symptoms, medical history and other investigations.
DMSA Scan and Kidney Scarring
One of the important applications of DMSA renal imaging is evaluation of selected cases where renal cortical scarring is suspected.
Previous kidney infections or other renal conditions can sometimes cause changes in the renal cortex.
A DMSA scan may help identify areas with reduced tracer uptake that could represent cortical abnormalities.
However, scan findings should always be interpreted by the appropriate medical professional and correlated with the patient's clinical history.
Can a DMSA Scan Measure Both Kidneys?
Yes. A DMSA scan can provide information about the distribution of functioning cortical tissue in both kidneys.
It can also help estimate the relative contribution of each kidney to overall renal function in appropriate examinations.
This information may be useful when there is concern about unequal kidney function or selected structural and functional kidney conditions.
DMSA Scan Procedure
A typical DMSA renal scan involves several stages.
Step 1: Registration and Preparation
The medical team reviews the doctor's prescription and provides instructions for the examination.
Step 2: Radiotracer Administration
A small amount of DMSA radiotracer is administered, usually through an intravenous injection.
Step 3: Waiting Period
The patient waits for a specific period to allow the tracer to be taken up by the renal cortex.
The exact waiting time depends on the examination protocol.
Step 4: Kidney Imaging
The patient is positioned appropriately, and the gamma camera acquires images of the kidneys.
Different views may be obtained to evaluate the distribution of tracer within the renal cortex.
Step 5: Image Processing
The acquired images are processed using specialized nuclear medicine software.
The images are then reviewed and interpreted for reporting.
How Long Does a DMSA Scan Take?
A DMSA renal scan usually takes longer than the actual image acquisition because a waiting period is required after radiotracer administration.
The total appointment time can vary depending on the protocol, patient's age and whether additional images are required.
Parents should allow sufficient time for the complete examination when bringing a child for a DMSA scan.
How Should You Prepare for a DMSA Scan?
Preparation depends on the patient's age and the specific examination protocol.
In many cases, patients can eat and drink normally unless specific instructions are provided.
Adequate hydration may be recommended depending on the clinical situation.
Before the scan, inform the medical team about:
- Current medications
- Kidney or urinary tract conditions
- Previous kidney infections
- Previous imaging
- Pregnancy or possible pregnancy
- Breastfeeding
For children, parents should inform the medical team about any relevant medical history and medications.
Do not stop prescribed medication unless specifically instructed by the doctor or nuclear medicine team.
Is a DMSA Scan Painful?
The imaging itself is generally painless.
The radiotracer is usually administered through an intravenous injection, which may cause brief discomfort.
For children, parents can help by explaining the procedure in simple terms and helping the child remain calm during the examination.
The child or adult generally needs to remain still while the images are being acquired.
Is a DMSA Scan Safe?
A DMSA scan involves exposure to a small amount of radiation from the radiotracer.
The amount of radiotracer is selected according to the examination protocol and, for children, may be adjusted according to appropriate clinical and patient factors.
Nuclear medicine examinations are performed when the expected clinical benefit is considered appropriate.
Pregnancy or possible pregnancy should always be reported before the examination.
DMSA Scan vs DTPA Renal Scan
DMSA and DTPA are both nuclear medicine renal examinations, but they provide different types of information.
A DMSA scan primarily evaluates the distribution and function of renal cortical tissue.
A DTPA renal scan can provide information about renal perfusion, tracer handling and urinary drainage.
The choice between DMSA and DTPA depends on the clinical question the doctor needs to answer.
One test is not universally better than the other because they are designed to assess different aspects of kidney function.
DMSA Scan vs Ultrasound
A kidney ultrasound primarily provides anatomical information about the kidneys and urinary tract.
It can help evaluate kidney size, structure and certain urinary tract abnormalities.
A DMSA scan provides functional information about the renal cortex through radiotracer uptake.
Depending on the clinical situation, a doctor may recommend ultrasound, DMSA imaging or both.
DMSA Scan vs CT Scan
CT provides detailed anatomical images of the kidneys and surrounding structures.
A DMSA scan focuses on the functional distribution of a radiotracer within renal cortical tissue.
These examinations provide different types of information and may be used separately or together depending on the clinical requirement.
What Happens After a DMSA Scan?
Most patients can return to their normal activities after the examination unless specific instructions are provided.
Patients may be advised to drink fluids to support normal elimination of the radiotracer.
The images are processed and interpreted by the appropriate medical professional, and the report is provided to the referring doctor.
DMSA Scan Cost in Hyderabad
The cost of a DMSA scan in Hyderabad can vary depending on the examination protocol, radiotracer, patient-specific requirements and reporting.
For an accurate price, patients should provide the exact examination name mentioned on the doctor's prescription when contacting the diagnostic centre.
DMSA Scan in Hyderabad
Patients looking for a DMSA renal scan in Hyderabad can contact Focus Diagnostics to enquire about the examination, preparation requirements, availability and appointment details.
When contacting the centre, it is useful to have the doctor's prescription or referral available so the exact examination can be confirmed.
Why Choose Focus Diagnostics?
Focus Diagnostics provides diagnostic imaging and laboratory services for patients in Hyderabad.
If your doctor has recommended a DMSA renal scan or another nuclear medicine kidney examination, you can contact Focus Diagnostics to enquire about the required test and preparation instructions.
The appropriate examination should be selected according to your doctor's clinical recommendation.
When Might a Doctor Recommend a DMSA Scan?
A doctor may consider DMSA renal imaging when information about renal cortical function is required.
The decision may depend on:
- Previous kidney infections
- Suspected renal scarring
- Kidney function concerns
- Urinary tract conditions
- Congenital kidney abnormalities
- Previous imaging findings
- Symptoms and medical history
The DMSA scan may complement other investigations such as ultrasound, blood tests and other renal imaging studies.
Book a DMSA Renal Scan in Hyderabad
If you have been advised to undergo a DMSA renal scan, contact Focus Diagnostics with your doctor's prescription or referral.
The diagnostic team can provide information about the examination, preparation, availability and appointment requirements.
For appointments and enquiries: 91213 77123
Conclusion
A DMSA renal scan is a specialized nuclear medicine examination that provides information about the renal cortex and the distribution of functioning kidney tissue.
It may be recommended in selected kidney and urinary tract conditions, including evaluation of suspected renal cortical abnormalities or scarring.
DMSA and DTPA renal scans are different examinations designed to answer different clinical questions. The appropriate test depends on the information required by the treating doctor.
If you are looking for a DMSA scan in Hyderabad, speak with your doctor and contact the diagnostic centre with your prescription to confirm the appropriate examination and preparation requirements.
Frequently Asked Questions
What is a DMSA renal scan?
A DMSA renal scan is a nuclear medicine examination that evaluates the distribution and function of renal cortical tissue using a DMSA radiotracer and gamma camera.
Why is a DMSA scan done?
It may be recommended to evaluate renal cortical function, suspected scarring, selected kidney infections and certain kidney or urinary tract conditions.
Is DMSA scan used for children?
Yes. DMSA scans may be recommended for children when evaluation of renal cortical function is clinically indicated.
Does a DMSA scan show kidney scarring?
A DMSA scan can identify areas of reduced tracer uptake that may be associated with renal cortical abnormalities or scarring. The findings need to be interpreted with the clinical history and other investigations.
Can a DMSA scan measure both kidneys?
Yes. The examination can provide information about both kidneys and may help assess their relative contribution to overall renal function in appropriate cases.
Is a DMSA scan painful?
The imaging is generally painless. The intravenous injection used to administer the radiotracer may cause brief discomfort.
How long does a DMSA scan take?
The total appointment takes longer than the actual imaging because a waiting period is usually required after the radiotracer injection.
Do I need to fast before a DMSA scan?
Preparation depends on the examination protocol. Follow the instructions provided by the nuclear medicine team.
What is the difference between DMSA and DTPA scans?
DMSA primarily evaluates renal cortical tissue, while DTPA can provide information about renal perfusion, tracer handling and urinary drainage.
Where can I get a DMSA scan in Hyderabad?
You can contact Focus Diagnostics at 91213 77123 to enquire about DMSA renal scan availability, preparation requirements and appointments.



