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Why it happens

The hip joint wears with age and load; its cartilage rim (labrum) can tear; the gluteal tendons and the bursa over the bony point of the hip become painful with weakness and overuse; the piriformis muscle can irritate the sciatic nerve; and a skin nerve at the front of the thigh is easily compressed by belts and posture. Groin pain usually means the joint; outer hip pain usually means tendon or bursa.

How Dr. Kiruthika assesses it

Examination to separate joint, tendon, muscle and nerve sources — and to exclude the back, which often refers pain to the hip. Ultrasound for tendons, bursa and joint fluid; X-ray for arthritis; MRI for labral tears and early avascular necrosis.

Conditions treated

Hip osteoarthritis

Wear of the joint cartilage; groin pain, stiffness, reduced rotation. Ultrasound-guided intra-articular injection — steroid for flares, hyaluronic acid or PRP in earlier stages. Replacement is the right answer when bone-on-bone change limits walking and sleep.

Trochanteric bursitis and gluteal tendinopathy

Pain on the outer hip, worse lying on the side and climbing stairs, from the gluteal tendons and the bursa over the greater trochanter. Ultrasound-guided PRP or steroid injection, with a strengthening programme for the gluteal muscles.

Labral tear

A tear of the cartilage rim of the socket; deep groin pain with clicking or catching. An ultrasound-guided joint injection is both diagnostic and therapeutic; PRP in selected cases. Arthroscopic repair is discussed when mechanical symptoms persist in a young, active patient.

Early avascular necrosis

Loss of blood supply to the femoral head, often after steroid use or alcohol excess. In the earliest stages, regenerative injection (BMAC) may be considered alongside protected weight-bearing; established collapse needs orthopaedic surgery. Early diagnosis matters most.

Piriformis syndrome

The piriformis muscle in the buttock irritates the sciatic nerve; buttock pain radiating down the leg, worse on sitting. Ultrasound-guided injection into the muscle, with stretching.

Hamstring tendinopathy

Pain at the sitting bone where the hamstrings attach, worse on sitting and running. Ultrasound-guided PRP with a loading programme.

Meralgia paresthetica

Burning or numbness on the outer thigh from compression of the lateral femoral cutaneous nerve, often by a belt, weight gain or pregnancy. Ultrasound-guided nerve block or hydrodissection, and removing the cause.

Treatment options, least to most invasive

  1. Activity modification and a gluteal strengthening programme
  2. Ultrasound-guided injection — bursa, tendon, joint or muscle
  3. PRP for tendons, labrum and early arthritis
  4. Nerve block or hydrodissection for meralgia paresthetica
  5. BMAC for selected early avascular necrosis
  6. Surgery — advanced arthritis, collapsed femoral head, persistent mechanical labral symptoms. Referred directly.

On the day

Fifteen to thirty minutes under ultrasound guidance. Hip joint injections are done with a longer needle under continuous ultrasound view and local anaesthesia; most patients walk out and drive.

Questions patients ask

Is my hip pain actually from my back?

Often. Buttock and outer thigh pain frequently comes from the lumbar spine or sacroiliac joint. Examination separates them.

Can an injection delay a hip replacement?

For flares in moderate arthritis, yes, often by months. It does not reverse bone-on-bone wear.

Is a hip joint injection risky?

Under ultrasound it is a controlled procedure; infection is rare. Steroid is not given within the three months before a planned replacement.

Why does lying on my side hurt?

Pressure on the gluteal tendons and bursa over the bony point of the hip — gluteal tendinopathy, not usually the joint.

Do I need an MRI?

For groin pain that does not settle, or where a labral tear or avascular necrosis is suspected. Not for outer hip pain, which ultrasound assesses fully.