By Sage Pet Hospital
When your veterinarian recommends an abdominal ultrasound for your dog or cat, you may assume the examination is focused on whatever problem first brought your pet to the hospital.
Maybe your dog has been drinking more water.
Perhaps your cat has been losing weight.
Maybe bloodwork showed something unusual.
Or your veterinarian is trying to understand a collection of symptoms that haven’t quite added up.
Those concerns are important.
But a thorough pet ultrasound can reveal much more than the one problem that initially prompted the examination.
During a complete abdominal scan, the veterinary team evaluates multiple organs and structures throughout the abdomen. Some are large and relatively straightforward to identify. Others are smaller, more difficult to visualize, and easy to overlook without the right experience and technique.
The adrenal glands fall into that second category.
They aren’t organs most pet owners think about until a veterinarian mentions them.
Yet these small glands can provide important information about a pet’s health, particularly when hormonal or endocrine disease is a concern.
At Sage Pet Hospital, our ultrasound team works from established scanning protocols designed to evaluate abdominal organs from multiple views. This includes measuring structures such as the kidneys and adrenal glands rather than simply looking at the most obvious areas of concern.
That attention to the smaller details is one of the reasons a dog ultrasound or cat ultrasound can provide information that isn’t available from a physical examination alone.
The Adrenal Glands Are Small, But Their Job Is Important
The adrenal glands are small structures located near the kidneys.
Their size can make them easy to overlook, especially when an ultrasound examination is being performed by someone who isn’t experienced with identifying them.
But their importance has little to do with how large they are.
The adrenal glands are involved in producing hormones that influence several functions throughout the body.
When something affects these glands, the changes may not always look like a problem with the adrenal glands themselves.
A dog may develop changes in thirst or urination.
A cat may experience changes in weight or appetite.
Another pet may show skin or coat changes.
Some animals develop more complicated patterns of symptoms that can be difficult to connect without additional diagnostic information.
This is one reason endocrine disease can sometimes take time to identify.
The symptoms may involve several different parts of the body.
An abdominal ultrasound doesn’t replace bloodwork or other endocrine testing, but it can provide another important piece of information.
Why Adrenal Glands Are Included in a Thorough Pet Ultrasound
When performing a full abdominal ultrasound, it can be tempting to focus only on the organs most closely associated with the pet’s symptoms.
But that approach can leave important information behind.
The ultrasound specialists interviewed for our diagnostic discussion explained that the team intentionally images the adrenal glands during almost every full abdominal scan because evaluating them can help assess for endocrine disease that may otherwise be overlooked.
That doesn’t mean every pet undergoing an abdominal ultrasound has adrenal disease.
Most don’t.
It means that the adrenal glands are important enough to include as part of a comprehensive examination.
A good ultrasound isn’t simply about finding the organ you expected to be abnormal.
It’s about making sure the examination is complete enough to identify abnormalities you weren’t necessarily expecting.
Why Adrenal Glands Can Be Difficult to See
This is where experience becomes particularly important.
The adrenal glands are not among the easiest structures to visualize during an ultrasound examination.
One of the veterinary diagnostic transcripts described locating the adrenal glands as one of the more advanced skills for someone learning veterinary ultrasound.
That’s important for pet owners to understand because ultrasound is not an automated imaging process.
The person performing the examination has to know where to look.
They have to recognize the anatomy.
They have to adjust the probe.
They may need to change angles.
And they need to know when an image doesn’t look quite right and deserves another look.
The quality of the equipment matters, but the skill of the sonographer matters too.
The diagnostic ultrasound material emphasizes that ultrasound is highly operator-dependent and requires real-time technical decision-making.
That human element is especially important when evaluating small structures such as the adrenal glands.
Your Dog’s Symptoms May Not Point Directly to the Adrenal Glands
One of the challenges with endocrine disease is that symptoms can be broad.
A pet owner isn’t going to look at their dog and think, “I wonder if something is happening with the adrenal gland.”
Instead, they notice something at home.
Maybe the water bowl needs to be filled more often.
Maybe the dog is asking to go outside more frequently.
Maybe the coat doesn’t look the same.
Maybe their body shape seems different.
Maybe they are gaining weight.
Maybe they’re losing weight.
Those observations are important, but they don’t tell us exactly what is happening.
That’s where the diagnostic process comes in.
Your veterinarian may combine the history you provide with a physical examination and laboratory testing.
If those findings raise concerns about an endocrine disorder or another abdominal problem, a dog ultrasound may provide additional information about the adrenal glands and surrounding organs.
The ultrasound isn’t being used in isolation.
It’s being used to add another layer to the picture.
Cats Can Present Their Own Diagnostic Challenges
Cats are especially good at hiding illness.
A cat may continue eating, grooming, and behaving relatively normally while a medical condition develops gradually.
Sometimes the first noticeable change is subtle.
A little weight loss.
A change in appetite.
More time spent sleeping.
A different appearance to the coat.
Changes in drinking or urination.
A cat doesn’t have to appear critically ill before a veterinarian starts investigating an abnormality.
When a cat ultrasound is recommended, the goal is often to understand what’s happening internally while the patient is still relatively stable.
That can be valuable because the ultrasound may identify changes involving the adrenal glands or other organs that aren’t apparent during a routine physical examination.
The Adrenal Glands Don’t Exist in Isolation
Another reason a comprehensive veterinary ultrasound is useful is that the adrenal glands need to be considered alongside other structures.
They’re located near the kidneys.
The surrounding anatomy matters.
So does the appearance of the kidneys themselves.
The veterinary team may evaluate the kidneys, adrenal glands, and other abdominal organs during the same examination.
The transcript describes protocols that include multiple views of abdominal organs as well as measurements of the adrenal glands and kidneys to help assess for disease processes that could cause organs to become enlarged or smaller than expected.
This broader approach matters because one abnormal finding may make another finding more meaningful.
The goal isn’t to examine one organ in isolation.
It’s to understand the patient as a whole.
What Does an Ultrasound Actually Tell Us About the Adrenal Glands?
Ultrasound can provide structural information.
The veterinary team can evaluate the adrenal glands’ appearance and measurements and determine whether they look different from what would be expected.
That information can be useful when considered alongside clinical signs and laboratory results.
But it is also important to understand what ultrasound cannot do.
An abnormal-looking adrenal gland does not automatically equal a specific endocrine diagnosis.
Similarly, an ultrasound that doesn’t show an obvious adrenal abnormality doesn’t necessarily rule out every endocrine disorder.
This is why veterinary medicine relies on multiple forms of evidence.
Bloodwork can provide functional information.
Clinical signs provide information about how the patient is behaving and feeling.
Ultrasound provides structural information.
Together, those pieces can help veterinarians make better decisions.
When Bloodwork and Ultrasound Work Together
One of the most useful aspects of veterinary diagnostics is the ability to connect different types of information.
A laboratory test may tell your veterinarian that something is abnormal.
It may not explain why.
Ultrasound can sometimes help investigate that question.
For example, if laboratory findings raise concerns about an endocrine disorder, an abdominal ultrasound may allow the veterinary team to evaluate the adrenal glands and other organs for structural changes.
This doesn’t mean the ultrasound will always provide a definitive answer.
Instead, it may help narrow the possibilities or determine whether additional testing is appropriate.
The veterinary diagnostic materials emphasize that ultrasound may confirm disease, rule out major concerns, identify abnormalities, or determine which areas need additional testing, but it doesn’t always provide the final diagnosis by itself.
That distinction is important.
The value of an ultrasound isn’t limited to finding one specific disease.
It is valuable because it gives veterinarians more information.
Why Measuring Matters During a Pet Ultrasound
Looking at an organ isn’t always enough.
Measurements can provide useful information too.
During the ultrasound process described in the meeting transcript, the team measures the adrenal glands and kidneys as part of the abdominal protocol.
Measurements allow veterinarians to document what they see.
That can become especially useful when a pet needs follow-up imaging later.
If the ultrasound is repeated, previous measurements can provide a point of comparison.
Has something changed?
Has it remained stable?
Has it become larger?
Has another structure changed?
Monitoring over time can be an important part of veterinary medicine.
The goal isn’t always to make an immediate treatment decision.
Sometimes the goal is to establish a baseline.
A Thorough Scan Looks Beyond the Obvious Problem
Imagine a dog comes to the hospital because of a concern that appears to involve the stomach.
It would be easy to focus entirely on the gastrointestinal tract.
But that’s not necessarily how a complete abdominal ultrasound should be approached.
The sonographer evaluates the abdomen systematically.
The kidneys are assessed.
The adrenal glands are assessed.
The spleen is evaluated.
The liver and gallbladder are examined.
The gastrointestinal tract is followed.
Other structures are considered based on the patient’s history.
This is one reason ultrasound can occasionally produce unexpected findings.
In the transcript, one veterinarian described performing an ultrasound on an older dog that was brought in because she wasn’t eating. The examination unexpectedly revealed a splenic tumor, which led to surgery while the dog was still stable.
That isn’t an example of adrenal disease.
But it demonstrates the broader value of a comprehensive pet ultrasound.
The problem that brings a pet into the hospital isn’t necessarily the only problem happening inside the body.
Sometimes the Most Important Finding Is the One You Weren’t Looking For
Unexpected findings can be unsettling.
But they can also create an opportunity.
If a condition is discovered before it causes a major crisis, the veterinary team may have more time to investigate it and determine what should happen next.
The ultrasound transcript describes this as one of the major benefits of imaging: catching something earlier and potentially turning what could have become an emergency into a more manageable situation while the patient is still stable.
That is one reason comprehensive imaging matters.
You don’t want to look only where you expect to find a problem.
You want to understand what is happening throughout the areas being examined.
What Happens If an Adrenal Abnormality Is Found?
An abnormal finding doesn’t automatically mean your pet needs surgery or immediate treatment.
The next step depends on what the ultrasound shows and how that information fits with everything else known about your pet.
Your veterinarian may recommend additional bloodwork.
They may suggest endocrine testing.
They may recommend monitoring.
They may discuss additional imaging.
Or, depending on the findings, they may recommend sampling or another diagnostic procedure.
The important thing is that the ultrasound helps inform the decision.
It doesn’t force the decision.
Veterinary medicine is about putting the information together and determining what makes sense for the individual patient.
Ultrasound Can Help Rule Things Out, Too
Pet owners sometimes expect diagnostic imaging to provide a dramatic answer.
But ruling things out can be just as valuable.
A veterinarian may perform an ultrasound because several possible conditions are being considered.
If the scan doesn’t show evidence of one of those conditions, that changes the diagnostic picture.
One of the veterinary specialists interviewed for the ultrasound discussion explained that ultrasound can change treatment plans even when it doesn’t identify exactly what is causing the problem, because it can rule out multiple possibilities.
That may allow the veterinarian to move in a different direction.
Sometimes the most useful answer is:
“We don’t see evidence of that.”
That’s still an answer.
Why the Person Performing the Ultrasound Matters
The adrenal glands are a good example of why ultrasound expertise matters.
If a structure is small and technically difficult to visualize, the quality of the examination depends heavily on the person performing it.
The veterinary ultrasound reference material explains that experienced sonographers need to recognize subtle abnormalities, adjust imaging angles in real time, focus on high-risk structures, and understand patterns associated with disease.
This isn’t something a machine does automatically.
The sonographer is actively making decisions throughout the examination.
They are deciding where to position the probe.
They are determining which view provides the clearest image.
They are following anatomy.
They are measuring structures.
They are deciding when something needs additional attention.
That’s why veterinary ultrasound is as much about experience as it is about technology.
What Can Make an Ultrasound More Difficult?
Ultrasound is incredibly useful, but it does have limitations.
Gas can interfere with imaging.
Patient size can make certain structures more difficult to visualize.
Movement can make images harder to obtain.
Bone can interfere with the ultrasound beam.
And some structures are simply more challenging to evaluate than others.
The diagnostic transcript specifically identifies gas, patient size, bone, and the experience of the sonographer as limitations that can affect the quality of an ultrasound examination.
This is another reason a thorough examination shouldn’t be reduced to simply asking whether a clinic “has an ultrasound machine.”
The technology is one part of the process.
How it is used matters too.
Does Every Pet Need an Adrenal Ultrasound?
No.
A pet doesn’t need an ultrasound simply because the adrenal glands exist.
Diagnostic testing should have a reason.
Your veterinarian may recommend an abdominal ultrasound because of:
- Abnormal bloodwork
- Changes in thirst or urination
- Weight changes
- Appetite changes
- Persistent gastrointestinal symptoms
- Suspected endocrine disease
- Abdominal abnormalities
- Concerns involving the kidneys or other abdominal organs
- A need to investigate unexplained clinical signs
The adrenal glands may then be included as part of the broader abdominal examination.
This is one of the advantages of a comprehensive scan.
You aren’t necessarily ordering one test for one organ.
You’re evaluating multiple structures that could help explain what is happening with your pet.
What Should You Expect During a Dog or Cat Ultrasound?
The ultrasound itself is non-invasive.
A small area of fur may be clipped to allow the ultrasound probe to make proper contact with the skin.
Gel is applied to improve the connection between the probe and the skin.
The sonographer then moves the probe across the area being examined while collecting images from different angles.
Many pets can undergo ultrasound without sedation.
Some anxious, painful, or highly active patients may need additional support so the examination can be performed safely and accurately.
The veterinary team considers the individual pet rather than assuming every patient will respond the same way.
A Complete Ultrasound Is About the Whole Patient
The adrenal glands are only one part of the story.
That’s exactly why they’re worth discussing.
They demonstrate how much information can be gathered during a properly performed abdominal ultrasound.
A pet may come in because of one symptom.
Bloodwork may raise another question.
The physical examination may reveal something else.
And the ultrasound can help bring those pieces together.
Maybe the adrenal glands look normal.
Maybe they look different.
Maybe the kidneys provide the more important finding.
Maybe the spleen reveals something unexpected.
Maybe the gastrointestinal tract explains the symptoms.
Maybe everything looks reassuring.
Each result changes what your veterinarian knows about your pet.
And better information leads to better decisions.
When Should You Talk With Your Veterinarian About an Ultrasound?
You don’t need to wait until your pet is seriously ill before asking questions.
If your dog or cat has persistent or unexplained changes, talk with your veterinarian.
That could include:
- Changes in drinking or urination
- Unexplained weight loss
- Unexplained weight gain
- Changes in appetite
- Persistent vomiting or diarrhea
- Abnormal bloodwork
- Changes in behavior or activity
- Repeated urinary problems
- A suspected abdominal abnormality
- Concerns about endocrine disease
None of these signs automatically means your pet needs an ultrasound.
But they may give your veterinarian a reason to consider additional diagnostics.
The important thing is to look at the entire picture.
The Goal Isn’t to Find More Problems. It’s to Understand Your Pet Better.
It’s easy to feel nervous when your veterinarian recommends advanced diagnostic imaging.
You may immediately wonder what they’re expecting to find.
But an ultrasound isn’t about assuming the worst.
It’s about replacing uncertainty with information.
The adrenal glands are a perfect example.
They’re small.
They’re not something you can evaluate from the outside.
And abnormalities involving them may be connected to symptoms that seem unrelated at first.
A thorough dog ultrasound, cat ultrasound, or pet ultrasound gives the veterinary team another way to investigate those questions.
At Sage Pet Hospital, our abdominal ultrasound protocols are designed to evaluate organs from multiple views, including measurements of the kidneys and adrenal glands.
That level of attention matters because sometimes the most important information isn’t found in the place we expected to look.
Sometimes it’s a small structure that could easily be missed
Sometimes it’s an unexpected finding.
And sometimes the most valuable result is simply knowing that something concerning isn’t there.
For your dog or cat, those answers can make a meaningful difference in what happens next.