Meningioangiomatosis
Meningioangiomatosis is a rare proliferative disorder of the vasculature of the CNS. It is most common in the brainstem, but unifocal and multifocal lesions have been reported in the spinal cord as well. In some animals, these lesions can be found in conjunction with other abnormal masses, such as neoplasia or hamartomas.
Age of Onset: 3 months - 14 years of age. Young animals are more commonly affected
Sex Predisposition: Any sex of animal can be affected
Clinical Course:
Clinical signs typically worsen over time but may be highly variable based on lesion location.
Clinical signs typically worsen over time but may be highly variable based on lesion location.
Clinical Signs:
Behavioral/Mental Awareness
Seizures
Posture and Appearance
Altered posture
Head tilt
Movement
Ataxia
Progressive paresis
Circling
Proprioception
Reduced or absent conscious proprioception
Cranial Nerves
Facial nerve paralysis
Positional ventral strabismus
Nystagmus
Diminished pupillary light reflexes
Anisocoria
Special Functions (e.g. respiration; urination)
Fecal and/or urinary incontinence
Behavioral/Mental Awareness
Seizures
Posture and Appearance
Altered posture
Head tilt
Movement
Ataxia
Progressive paresis
Circling
Proprioception
Reduced or absent conscious proprioception
Cranial Nerves
Facial nerve paralysis
Positional ventral strabismus
Nystagmus
Diminished pupillary light reflexes
Anisocoria
Special Functions (e.g. respiration; urination)
Fecal and/or urinary incontinence
Brain and spinal cord
Unknown
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