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CT Left-sided Mineralized Disc Extrusion in a FS Dachshund

Case Study

CT Left-sided Mineralized Disc Extrusion in a FS Dachshund

The patient was presented for not wanting to go up the stairs or jump on the couch. RDVM who took radiographs patient was placed on Tramadol, Carprofen and strict activity rest for two weeks. Despite rest the patient’s hind legs continued to become more weak. The patient was treated with a tapering dose of Prednisone and Tramadol. Hind leg weakness continued and patient was was referred specialty clinic. The owner noted the left leg is stronger than the right. Upon physical exam the patient was BAR with a body condition score of 5/9. The gait was weakly ambulatory in the hind legs.

The patient was presented for not wanting to go up the stairs or jump on the couch. RDVM who took radiographs patient was placed on Tramadol, Carprofen and strict activity rest for two weeks. Despite rest the patient’s hind legs continued to become more weak. The patient was treated with a tapering dose of Prednisone and Tramadol. Hind leg weakness continued and patient was was referred specialty clinic. The owner noted the left leg is stronger than the right. Upon physical exam the patient was BAR with a body condition score of 5/9. The gait was weakly ambulatory in the hind legs. Musculoskeletal system appeared to be normal. Pain Score (Colorado 0-4) – 0-1 Neurologic: Mentation was BAR, cranial nerves were evaluated and found normal. Conscious proprioception was present but delayed hind legs spinal reflexes were normal panniculus was present to mid lumbar both sides. Cervical manipulation normal. Epaxial palpation was normal/tense. Withdrawal was normal. Pain status was present. CBC showed low reticulocyte count 4.0 (10.0-110.0) and blood chemistry was WNL.

Image Interpretation

1. Amorphous, very large volume, partially mineralized, extra dural lesion extending from the level of mid body T12 through the cranial aspect of L1. This is almost exclusively left sided. There is right sided deviation of the spinal cord. There is severe compression of the spinal cord.
2. Vacuum phenomena is seen within the disc space at T13-L1.
3. Mineralized disc is seen throughout the disc spaces of the thoracolumbar junction.
4. There appears to be 8 lumbar vertebrae. The aforementioned lesion is at the junction of the thoracic segments (with the ribs) and first lumbar vertebra. It is unknown the number of thoracic vertebra, so what I am referring to as T13 is the last thoracic segment (although the exact number cannot be determined on these images without the entire thoracic spine).

DX

Large volume, left sided mineralized disc extrusion extending from the cranial aspect of T12 through the cranial aspect of L1.

Outcome

Patient was recommend for decompressive surgery, left sided, extending from cranial aspect at T12 through T13-L1 disc space level.

Patient Information

Patient Name : Megan Duncan Sierra Veterinary Specialist by KV 6/11/2015
Gender : Female, Spayed
Species : Canine
Type of Imaging : Ultrasound

Clinical Signs

  • Decreased mobility
  • Difficulty walking
  • Lameness
  • Weakness

History

  • Weakness

Clinical Signs

  • Decreased mobility
  • Difficulty walking
  • Lameness
  • Weakness