Hematoma

“Injury producing a hematoma or diffuse extravasation of blood without breaking the skin.”

“...Causes include ... Chronic subdural hematoma, or bleeding between the brain lining and brain tissue...”

“...Sclerosis, Brain Tumor, Normal Pressure Hydrocephalus, Parkinson's Disease; Conditions affecting the spinal cord, including Intervertebral Disc Disease, Spina Bifida, Multiple Sclerosis, Spinal Cord Hematoma or Abscess, Spinal Cord Trauma, Spinal Stenosis, Spinovascular Disease, Transverse Myelitis, Spinal Tumors, Cauda Equina Syndrome; Consequences of medical treatment, for example scarring of...”