{"id":15495,"date":"2026-09-05T17:33:06","date_gmt":"2026-09-05T15:33:06","guid":{"rendered":"https:\/\/neurohirurgija.in.rs\/?page_id=15495"},"modified":"2026-09-05T18:35:46","modified_gmt":"2026-09-05T16:35:46","slug":"sacroiliac-joint-pain-causes-diagnosis-treatment","status":"publish","type":"page","link":"https:\/\/neurohirurgija.in.rs\/en\/sacroiliac-joint-pain-causes-diagnosis-treatment\/","title":{"rendered":"Sacroiliac Joint Pain: Different Causes, Different Treatments"},"content":{"rendered":"\n
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\n Author:<\/span>\n \n Dr. Zeljko Kojadinovic, MD, PhD\n <\/a>\n \u2014 Consultant Neurosurgeon\n <\/div>\n\n
\n Specialized Experience:<\/span>\n 30 years of clinical expertise in neurosurgery.\n <\/div>\n\n
\n Last medically reviewed:<\/span>\n August 28, 2026\n <\/div>\n<\/div>\n\n\n\n
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Who This Sacroiliac Pain Page Is For<\/h3>\n <\/div>\n\n

\n This page is intended for patients with persistent or recurrent pain in the lower back, buttock, or posterior pelvic region when the exact cause remains unclear, when MRI or CT findings do not fully explain the symptoms, or when previous treatment has provided only temporary or incomplete relief.\n <\/p>\n\n

\n It may be particularly useful if you have been treated for \u201clow back pain,\u201d \u201csciatica,\u201d lumbar degeneration, or presumed sacroiliac joint dysfunction but no one has clearly identified which structure is actually generating the pain. The page explains how pain may arise from different parts of the sacroiliac joint complex and how other causes of low back or pelvic pain may coexist.\n <\/p>\n\n

\n If pain persists despite medications, physical therapy, injections, radiofrequency treatment, or previous spine surgery, or if it remains unclear whether the sacroiliac region is truly the main pain source, an individualized\n \n neurosurgical and pain second opinion\n <\/a>\n can help reassess the pain generators, contributing factors, and the most appropriate next treatment step.

\n \n Read why this online consultation is not just another consultation.\n <\/a>\n<\/p>\n <\/p>\n<\/div>\n\n\n\n

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\n When patients seek a second opinion for persistent sacroiliac pain\n <\/div>\n\n
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\u2022 Pain persists despite medications, physical therapy, exercises, activity modification, or ergonomic changes<\/div>\n
\u2022 MRI or CT findings are normal, mild, or do not clearly explain the pain<\/div>\n
\u2022 It is unclear whether the pain comes from the SI joint itself, posterior ligaments, ligament attachments, muscles, nerves, or another nearby structure<\/div>\n
\u2022 Injections or diagnostic blocks provided only partial, temporary, or confusing results<\/div>\n
\u2022 Radiofrequency treatment, repeated injections, or sacroiliac stabilization\/fusion are being considered<\/div>\n
\u2022 Pain appeared or became more prominent after lumbar or lumbosacral surgery<\/div>\n
\u2022 Sacroiliac pain may coexist with disc, nerve-root, facet, hip, piriformis, myofascial, or other causes of low back pain<\/div>\n
\u2022 Different specialists provide different explanations or treatment recommendations, and the next step remains unclear<\/div>\n <\/div>\n\n
\n In persistent sacroiliac pain, the key question is often not simply whether the SI joint is involved, but which structure is actually painful, whether other pain generators coexist, and which factors continue to maintain the problem<\/strong>. An individualized neurosurgical and pain assessment can help clarify the diagnosis and define the most appropriate next treatment step.\n If this reflects your situation, you may request an individualized review here:\n \n Request Second Opinion\n <\/a>\n <\/div>\n\n<\/div>\n\n\n\n
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\n Sacroiliac Pain \u2014 Quick Summary (Read This First)\n <\/h3>\n\n
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  • \n Sacroiliac pain does not necessarily come only from the joint space itself.<\/strong>\n Pain may arise from the sacroiliac joint, capsule, posterior and interosseous ligaments, ligament attachments, muscles, fascia, or small sensory nerve branches around the joint complex.\n <\/li>\n\n
  • \n Sacroiliac joint complex pain is an important and often underrecognized cause of persistent low back and buttock pain.<\/strong>\n It may account for approximately 15\u201330% of chronic mechanical low back pain predominantly below L5 vertebra and should be considered when apparently appropriate lumbar treatments have failed.\n <\/li>\n\n
  • \n Normal MRI or CT does not exclude sacroiliac pain.<\/strong>\n Small ligamentous, entheseal, capsular, or other extra-articular pain generators may be poorly demonstrated or completely invisible on routine imaging.\n <\/li>\n\n
  • \n Pain may remain localized around the posterior pelvis, but it can also spread into the buttock, hip, groin, thigh, or even lower leg.<\/strong>\n In some patients it produces sciatica-like symptoms and may be confused with lumbar nerve-root pain.\n <\/li>\n\n
  • \n No single clinical test proves that the sacroiliac complex is the pain source.<\/strong>\n Diagnosis is based on the complete pattern of symptoms, precise pain mapping, provocation tests, examination of painful structures, imaging, and in selected cases targeted diagnostic blocks.\n <\/li>\n\n
  • \n Autoimmune inflammatory sacroiliitis must be distinguished from mechanical sacroiliac pain.<\/strong>\n Bilateral pain, prolonged morning stiffness, night pain, improvement with movement, or other features of spondyloarthritis may require further evaluation with MRI, CRP, ESR, HLA-B27 testing, and rheumatological assessment.\n <\/li>\n\n
  • \n Finding sacroiliac pain does not mean that all low back pain comes from the SI region.<\/strong>\n Disc, nerve-root, facet, muscular, hip, piriformis muscle, peripheral nerve, and other pain generators may coexist, particularly in patients with long-lasting or previously treated pain.\n <\/li>\n\n
  • \n Contributing factors can keep the painful structure irritated even when the diagnosis is correct.<\/strong>\n Mechanical overload, prolonged sitting, asymmetric loading, gait abnormalities, poor lumbopelvic mechanics, deconditioning, obesity, metabolic and inflammatory factors, poor sleep, central sensitization, medications, and other medical conditions may all influence recovery.\n <\/li>\n\n
  • \n Treatment usually begins with reducing mechanical irritation and correcting the factors that maintain pain.<\/strong>\n Individualized sitting support or cushions, specific SIJ and lumbopelvic exercises, correction of asymmetric loading, activity modification, rehabilitation, and in selected patients an SI belt may be useful.\n <\/li>\n\n
  • \n Medication and injections should be selected according to the actual pain mechanism and anatomical target.<\/strong>\n An intra-articular injection, posterior ligament injection, enthesis treatment, muscle injection, or nerve-targeted procedure are not interchangeable and should follow a specific diagnostic hypothesis.\n <\/li>\n\n
  • \n Radiofrequency treatment is generally considered only when appropriate conservative and targeted treatment has failed.<\/strong>\n It is most relevant when pain from posterior SI structures supplied by the appropriate sensory branches has been confirmed, often with diagnostic or prognostic blocks.\n <\/li>\n\n
  • \n Surgery is needed only in a small minority of patients.<\/strong>\n Minimally invasive sacroiliac stabilization or fusion, usually using screws or other implants placed across the joint, is reserved for carefully selected patients with a clearly demonstrated structural disorder or instability after non-surgical treatment has failed.\n <\/li>\n
  • \n Even after failed injections or radiofrequency treatment, surgery is not automatically the next step.<\/strong>\n In many patients, treatment should first be reassessed and may include a targeted combination of medications adjusted over 6\u20138 weeks<\/strong>, mechanical unloading, specific exercises, and correction of contributing factors. Fusion is reserved for selected patients with a confirmed structural problem.\n<\/li>\n\n
  • \n The key to successful treatment is identifying the exact painful structure and why it remains painful.<\/strong>\n Persistent sacroiliac pain often improves only when both the local pain generator and the mechanical, systemic, or neurological factors maintaining it are addressed.\n <\/li>\n\n <\/ul>\n<\/div>\n\n

    \n Most readers benefit from the Quick Summary together with the sections on Diagnosis<\/strong>, Factors That Can Trigger or Maintain Sacroiliac Pain<\/strong>, and Treatment<\/strong>. The remaining sections explain the anatomy, symptom patterns, associated causes of low back pain, and reasons why previous treatment may have failed.\n<\/p>\n\n\n\n