Could the left hip pain that wraps from posterior to anterior groin and shoots sharply down the lower leg in a patient without abdominal pain be due to a nerve problem such as sciatica?

Yes, this presentation strongly suggests a nerve problem, most likely radicular pain from lumbar spine pathology or nerve entrapment.

The pain pattern you describe—wrapping from posterior hip to anterior groin with sharp shooting pains down the lower leg—is classic for nerve involvement, particularly sciatica or other lumbosacral radiculopathy, rather than primary hip pathology. 1

Key Clinical Reasoning

Why This Points to Nerve Pathology

The distribution pattern is the critical diagnostic clue:

• Posterior-to-anterior wrapping pain suggests nerve root or peripheral nerve involvement following anatomical nerve pathways
• Sharp shooting pain to the lower leg is pathognomonic for radicular pain, not typical of intra-articular hip disease
• Absence of abdominal pain makes intra-abdominal or intrapelvic referred pain unlikely 1

Differential Diagnosis to Consider

Most likely diagnoses:

1. Lumbar radiculopathy/sciatica - L5 or S1 nerve root compression from disc herniation is the most common cause of this presentation 2, 3

2. Deep gluteal syndrome (formerly "piriformis syndrome") - sciatic nerve entrapment in the deep gluteal space causing buttock pain radiating down the leg 4

3. Ischiofemoral impingement syndrome - narrowing of the ischiofemoral space causing quadratus femoris muscle edema and sciatic nerve irritation, presenting with progressive hip pain and lower limb symptoms 5

Less likely but important to exclude:

• Femoral nerve entrapment (though this typically causes anterior thigh pain)
• Obturator nerve entrapment (causes medial thigh pain)
• Meralgia paresthetica (lateral thigh only) 6

Diagnostic Approach

Essential Clinical Examination Elements

Look for these specific findings:

• Straight leg raise test - reproduces leg pain with hip flexion and knee extension (positive suggests nerve root compression) 2
• Neurological examination - check for dermatomal sensory changes, myotomal weakness, and reflex asymmetry corresponding to specific nerve roots
• Palpation of sciatic notch - tenderness suggests deep gluteal syndrome 4
• Lumbar spine examination - range of motion, palpation for tenderness, assess for radicular pain reproduction

Imaging Strategy

Initial imaging: AP pelvis and lateral hip radiographs to exclude hip joint pathology 7

If radiographs are normal and nerve pathology suspected:

• Lumbar spine MRI is the gold standard for identifying disc herniation, nerve root compression, or spinal stenosis 2, 3
• MR neurography can visualize peripheral nerve compression and surrounding anatomical structures with high precision 6
• High-resolution ultrasound is increasingly useful for evaluating peripheral nerve entrapments 6

Critical Pitfall to Avoid

Never diagnose based on imaging alone. 7 Incidental findings on MRI (disc bulges, labral tears) are extremely common in asymptomatic individuals. The diagnosis must correlate clinical presentation with imaging findings. A comprehensive examination screening the spine and pelvis is mandatory when evaluating hip-related pain 7.

Management Implications

For sciatica with confirmed disc herniation:

• Conservative management first for 6-8 weeks unless severe progressive neurological deficits are present 2
• Discectomy provides moderate short-term leg pain relief compared to non-surgical treatment, but effects diminish over time 3
• Avoid epidural steroid injections - strong recommendation against their use for chronic radicular spine pain based on latest evidence 8

The absence of abdominal pain combined with the specific radiation pattern makes this a neurological problem until proven otherwise, not a primary hip joint issue.