Maru, Dog with Post-surgical Lumbar Disc Extrusion

MLS® Laser Therapy Case Study

Maru, Dog with Post-surgical Lumar Disc Extrusion

Species: Dog

Breed: Mixed Breed

Gender: Male

Age: 6 Years Old

Clinical Case

Right hip osteoarthritis, hemilaminectomy surgery following L1-L2 disc extrusion, carried out two months prior to clinical presentation.

Referred to the rehabilitation centre due to delay in postoperative recovery.

Radiographic examination: right coxarthrosis
MRI: disc extrusion with L1-L2 spinal cord oedema

Clinical Examination

  • Gait paraparesis, ataxia AP
  • Scoliosis
  • Sensitivity
  • Bilateral proprioceptive deficit, left knuckling when walking
  • Serious myotrophy to thigh and rump muscles
  • Bladder and bowel incontinence


Acupoints BL23 BL40 BL54 GB29 GB30 GB34 ST36 GV4 Hua-to-jia-ji(T11-L2) Bai-hui
Frequency Nogier A (292 Hz)
Intensity 1%
Treatment Time 6 seconds/point
Dose 0.41J (3.26J/cm²)
Frequency of the Treatments 1/2 per week


  • The patient is able to walk for longer, with improved stability and correct proprioceptive posture
  • Improvement in bladder incontinence

Courtesy of Doctor Po Wei Pi – Affinity Veterinary Center – Taichung, Taiwan

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