Breast Ultrasound (Unilateral)
A unilateral breast ultrasound scan examines one breast using safe, radiation-free imaging. It is commonly used to assess lumps, pain, swelling or changes detected on examination.
Turnaround time
1 day
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Details about Breast Ultrasound (Unilateral)
What is a Breast Ultrasound Scan (Unilateral)?
A Breast Ultrasound Scan is a non-invasive imaging test that uses high-frequency sound waves to produce real-time images of breast tissue. It does not use radiation and is considered very safe.
A unilateral breast ultrasound focuses on one breast only, making it ideal when symptoms or findings are localised to a single side. The scan assesses breast tissue, ducts and surrounding structures to identify cysts, solid masses, inflammation or fluid collections.
Breast ultrasound is commonly used as a first-line investigation, particularly in younger patients or alongside mammography for targeted assessment.
Why do I need a Breast Ultrasound Scan?
A unilateral breast ultrasound scan is recommended when symptoms, physical findings or clinical concerns affect one breast. It helps determine the nature of changes and whether further tests are required.
You may need a breast ultrasound scan if you notice:
- A lump in one breast
- Localised breast pain or tenderness
- Swelling or thickening in one area
- Changes in breast texture
- A palpable area found on examination
- Redness or signs of inflammation
- Nipple discharge from one side
- Follow-up of a previously detected finding
- Further assessment after mammography
- Reassurance for new or persistent symptoms
Early assessment helps provide reassurance and guides appropriate next steps.
Benefits of a Breast Ultrasound Scan
- Targeted assessment of one breast
Focuses precisely on the area of concern. - No radiation exposure
Safe for repeated imaging and younger patients. - Real-time imaging
Allows immediate evaluation during the scan. - Differentiates cysts and solid masses
Helps identify benign versus suspicious findings. - Comfortable and non-invasive
No compression or needles required. - Fast diagnosis
Often performed and explained on the same day. - Complements mammography
Adds detail where mammograms are inconclusive. - Provides reassurance
Quickly rules out serious causes in many cases.
Step-by-Step – How We Offer Breast Ultrasound Scans
Clinic-Based Breast Ultrasound Scan (UK-wide)
- Choose your nearest UK clinic
- Attend your scheduled appointment
- The scan typically takes 15–30 minutes
- Performed by an experienced clinician
- Findings are explained during or shortly after the scan
Important:
Breast ultrasound scans are performed in clinic only. Home visits are not available. Services are available across the UK.
Your Breast Ultrasound Results Explained
Breast ultrasound results are interpreted based on tissue appearance and structure, not numerical values.
Normal Results
What this means:
- Normal breast tissue appearance
- No cysts, masses or abnormal fluid
What it suggests:
Symptoms may be hormonal or benign in nature.
Mild to Moderate Abnormal Findings
What this may show:
- Simple or complex cysts
- Benign solid masses (such as fibroadenomas)
- Localised inflammation
What it suggests:
Often managed with monitoring or follow-up imaging.
Significant or Concerning Findings
What this may show:
- Solid masses with irregular features
- Suspicious tissue changes
- Abnormal vascular patterns
What it suggests:
Further tests such as biopsy, mammography or specialist referral may be recommended.
How It Works
Simple steps to get your results
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Visit or Test at Home
Attend one of our UK or London clinics, arrange a home nurse visit, or use a finger-prick kit where available.
Get Your Results
Your sample is analysed by accredited UK laboratories, with secure results delivered directly to you.
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WhatsApp UsHow to Prepare for Your Test
Follow these guidelines for accurate results
Sample Timing
Where possible, attend your blood test between 7am and 12pm. Please wait until any short-term illness or infection has fully resolved before testing. Avoid intense exercise for 24–48 hours beforehand, as this can affect certain markers.
Fasting & Hydration
Fasting is not always required, but some tests may recommend it. If fasting is advised, avoid food for 8–12 hours before your appointment and drink water only. Stay well hydrated, as this helps with sample collection and accuracy.
Medications & Supplements
Continue prescribed medications unless advised otherwise by your clinician. Avoid vitamin, mineral, or biotin supplements for at least 24–48 hours before your test, as these can interfere with results. If you are unsure about any medication or supplement, please let us know before your appointment.
Hormones & Menstrual Cycle
For hormone-related tests, timing within your menstrual cycle may be important. If relevant, follow any specific guidance provided on your test page.
If you have any questions or special circumstances, our team is happy to advise before your appointment.