MRI PELVIS WITHOUT CONTRAST
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SENIOR
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FAMILY
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NABH Accredited
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About The Test
What is MRI Pelvis Without Contrast?
MRI (Magnetic Resonance Imaging) uses powerful magnets and radio waves to create detailed pictures of soft tissues, bones, and organs inside the pelvis. “Without contrast” means no gadolinium-based dye is injected, making the procedure quicker and safer for people with kidney issues or contrast allergies.
List of Parameters
- Pelvic Organs: Uterus (size, position, junctional zone), ovaries (follicle count, masses), prostate (volume, zonal anatomy), bladder (wall thickness, diverticula).
- Bony Structures: Hip joints (cartilage, effusion), sacrum, coccyx, pelvic inlet width.
- Soft Tissues: Ligaments (round, broad, uterosacral), pelvic-floor muscles, lymph nodes (short-axis diameter >8 mm is flagged).
Why This Test
- Unexplained pelvic pain – rule out endometriosis, adenomyosis, or musculoskeletal strain.
- Fertility assessment – evaluate uterine anomalies, tubal patency by MRI, or low seminal vesicle volume.
- Tumour or cyst detection – characterise ovarian cysts, solid masses, or prostate nodules.
- Post-surgical follow-up – check for residual tumour, scar tissue, or post-operative collections.
When to Take Test
Benefits
Advantages of an MRI Pelvis Without Contrast
- No gadolinium exposure – eliminates rare but serious nephrogenic systemic fibrosis risk.
- Safe for kidney-compromised patients – no need for creatinine blood test beforehand.
- Detailed soft-tissue definition – excellent contrast for uterine layers, endometrium, and bowel wall.
- Shorter scan time vs contrast exams – saves 10–20 minutes on the table.
Illnesses Diagnosed with MRI Pelvis Without Contrast
| Condition | Key MRI Findings |
|---|---|
| Uterine fibroids | Well-defined hypointense masses on T2 |
| Endometriosis | T1 bright spots (blood) in ovaries or pelvic ligaments |
| Ovarian/testicular masses | Cystic vs solid components, septations |
| Bladder disorders | Wall thickening, diverticula, outpouchings |
| Inflammatory bowel involvement | Bowel-wall oedema, fistula tracts |
Preparing for test
Instructions
- Fasting not required – eat and drink normally.
- Remove metal objects – jewellery, belts, piercings, credit cards.
- Inform staff about implants – pacemaker, aneurysm clips, IUD strings (copper or hormonal).
Prerequisites
- Fill a short safety questionnaire.
- Change into metal-free hospital gown.
- Lockers provided for valuables.
Best Time to Take the MRI Pelvis Without Contrast
- Any day is acceptable.
- For women, mentioning your menstrual phase helps correlate endometrial thickness.
Eligibility
- Pregnancy: Generally safe in second/third trimester if clinically urgent; first-trimester scans postponed unless essential.
- Claustrophobia: Mild sedation available after doctor’s approval.
Procedure for Taking an MRI Pelvis Without Contrast
- Lie supine on the MRI table.
- Pelvic coil placed over lower abdomen for signal boost.
- Earplugs + headphones to reduce noise.
- Hold still while table slides into magnet; breathe normally.
- Total time: 30–45 minutes.
Caution Before Taking the Test
Tell the technologist if you have:
- Cardiac pacemaker
- Cochlear implant
- Orthopaedic screws or plates that may heat up
- Metallic eye injury history
Test Results
Results and Interpretations
| Finding/Observation | Description (Example from a Report) | General Interpretation/Significance (Example) |
|---|---|---|
| Normal uterus | Homogeneous myometrium, 8–10 mm endometrium | No abnormality |
| T2 dark fibroid | Sharply marginated mass | Benign leiomyoma |
| T1 bright ovarian spot | High signal <1 cm | Likely haemorrhagic cyst |
| Enlarged lymph node | Short axis >8 mm | May need follow-up or biopsy |
| Bladder diverticulum | Outpouching on posterior wall | Usually incidental |
| Enlarged Pelvic Lymph Node(s) | One or more pelvic lymph nodes are noted to be larger than the typical size threshold (e.g., >1cm in short axis). Location described. | Can be a non-specific finding due to past or current inflammation, infection, or less commonly, malignancy. Clinical correlation and possibly further investigation or follow-up may be needed by your doctor. |
| Degenerative Changes in Pelvic Bones | Mild degenerative changes, such as osteophytes or joint space narrowing, are noted in the visualized portions of the sacroiliac joints or pubic symphysis. | Common age-related wear-and-tear changes; may or may not be related to current symptoms. |
Risks & Limitations
- Minimal risk: No radiation or dye-related side effects.
- Limitations: Very small lesions (<5 mm) may be harder to see. Motion artefacts can blur images if you move.
- Contraindications: Pacemakers, certain cochlear implants, or metallic fragments inside the eye may prevent scanning.
FAQs
Is MRI Pelvis Without Contrast effective for detecting cancer?
Yes. Most pelvic cancers (cervical, endometrial, ovarian, prostate) produce visible masses or signal changes even without contrast. Additional contrast may be requested if finer vascular detail is needed.
How long does the scan take?
Between 30 and 45 minutes, depending on whether high-resolution sequences are added.
Will I feel claustrophobic?
The bore is open at both ends. Open-bore MRI machines and mild sedation are options at Cadabams Diagnostics for anxious patients.
Can I eat or drink beforehand?
Absolutely. No fasting is required for an MRI Pelvis Without Contrast.
When will my doctor receive the report?
Scans are interpreted the same day; reports are dispatched electronically within 24 hours.
What are the main mri pelvis no dye benefits?
The key mri pelvis no dye benefits are a significant advantage for many patients. Primarily, it eliminates the risks associated with intravenous contrast dye, such as potential allergic-like reactions and the rare risk of nephrogenic systemic fibrosis in individuals with severe kidney disease. This makes it an excellent and safe imaging choice for patients with contrast allergies or impaired kidney function, while still offering highly detailed and diagnostically valuable images for many pelvic conditions.