Calcinosis Circumscripta
Regions of mineralization and degeneration in a fibrous tissue matrix are present in subcutaneous tissues. Often these masses are found in the cranial cervical region between the C1 and C2 vertebrae. In some instances, these masses will compress the spinal cord. Intramuscular hemorrhage secondary to abnormalities of coagulation may result in calcification of the axial or appendicular muscles. This may occur secondary to systemic bleeding disorders such as von Willebrand’s disease and other coagulation factor deficiencies.
Age of Onset: Any age of animal can be affected
Sex Predisposition: Any sex of animal can be affected
Clinical Course:
Clinical signs may worsen over time
Clinical signs may worsen over time
Clinical Signs:
Posture and Appearance
Excessive wear on nails of hind limbs
Movement
Collapse when circling or on slippery floors
Pelvic limb ataxia
Pelvic limb paresis
Difficulty righting itself from lateral recumbency
Loss of truncal strength
Increased muscle tone
Proprioception
Symmetrical proprioceptive deficit in hind limbs
Special Reflexes (e.g. cutaneous trunci)
No panniculus reflex cut off
Special Functions (e.g. respiration; urination)
Urinary retention and incontinence
Posture and Appearance
Excessive wear on nails of hind limbs
Movement
Collapse when circling or on slippery floors
Pelvic limb ataxia
Pelvic limb paresis
Difficulty righting itself from lateral recumbency
Loss of truncal strength
Increased muscle tone
Proprioception
Symmetrical proprioceptive deficit in hind limbs
Special Reflexes (e.g. cutaneous trunci)
No panniculus reflex cut off
Special Functions (e.g. respiration; urination)
Urinary retention and incontinence
Cervical or thoracic spine
Unknown
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