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56 Cards in this Set

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Responses to injury from Porencephaly.
asctrocytic necrosis.
Responses to injury from Hydrancephaly.
asstrocyte cell processes repair the "cavities"--no fibroblasts unless fibroblasts from meninges get involved.
Responses to injury from Neonatal Bacterial Meningitis.
neutrophils in meninges.
Responses to injury from Adult Bacterial Meningitis.
( recall 3 phases of inflammation: vascular, inflammatory and reparative) neutrophils in meninges, subacute inflammatory response, fibrin.
Responses to injury from Rabies.
lymphomonocyic inflammation, neuronal degradation.
Responses to injury from Brain Abscesses.
necrotic debris and neutrophils, walled off by proliferation of fibrous astrocyte processes.
Responses to injury from Spinal Cord Abscesses.
same as brain abscess.
Responses to injury from Fungal encephalomyelitis.
granulomatous inflammation.
Responses to injury from Congential Hepatic Encephalopathy.
neuronal and atrocytic cell swelling, myelin edema.
Responses to injury from Acquired Congential Hepatic Encephalopathy.
neuronal and atrocytic cell swelling, myelin edema.
Responses to injury from Renal Encephalopathy (aka Uremic Encephalopathy).
neuronal and atrocytic cell swelling, myelin edema.
Responses to injury from Brain swelling.
acute hyperemia, increased vascular flow to injured region of brain.
Responses to injury from Increased ICP.
pressure effects vital nuclei for .
Responses to injury from Cerebellar coning.
cerebellum pushed our foramen magnum.
Responses to injury from Cerebellar (Cortical) Abiotrophy.
degeneration and gradual loss of Purkinje cells, neurons in brain stem nuclei, astrogliosis.
Responses to injury from Massive Trauma .
hematoma, edema, increased ICP is usu what causes death, not the wound itself.
Responses to injury from Subtle Trauma due to parasitic larval migrans..
ischemic encephalopathy--obstruction of middle cerebral artery.
Responses to injury from Subtle Trauma due to emboli..
microvascular infarction.
Responses to injury from Trauma due to atherosclerosis.
infarction.
Responses to injury from Trauma due to Pia-Arachnoid Hemorrhage.
ascending and descending hemorrhage, if bleeding is uncontrolled if neuro signs continue to ascend.
Responses to injury from Transectional Axonopathies.
proliferation of replacement tissue (oligodendroglial cells--brain or Schwann cells--cord) before axon can regenerate--blocks regeneration-->collapse of endoneurial tube, phagocytosis of axonal debris.
Responses to injury from Intervertebral Disc Disease.
Wallerian degeneration.
Responses to injury from Vertebral Malformations.
compression, Wallerian degeneration.
Responses to injury from Choroid Plexus Tumor.
usu. excess CSF pdc'd by tumor is adequately absorbed, but if flow is obstructed-->hydrocephaly.
Responses to injury from Canine Distemper.
1° demyelination, Wallerian degeneration 1/3 die, 1/3 recover, 1/3 chronically ill with inflammatory/demyelinating disease.
Responses to injury from Canine Distemper--Demyelinating phase.
extensive loss of myelin with gitter cells (monocytes filled with lipid debris)--direct viral effects on myelinating cells, indirect glial cell effects on myelinating cells, lymphomonocytic perivascular inflammation.
Responses to injury from Chronic CDV Encephalitis (aka old dog encephalitis).
compression injury--large lymphocytic perivascular cuffs, loss of myelin.
Responses to injury from Granulomatous meningoencephalitis.
lymphocytes, macrophages, plasma cells around vessels, granulomatous inflammation--"back into" this diagnosis if you see granulomatous inflammation w/o fungi or mycobaceria.
Responses to injury from Inflammatory reticulosis.
lymphocytes, macrophages, plasma cells around vessels, granulomatous inflammation--"back into" this diagnosis if you see granulomatous inflammation w/o fungi or mycobaceria.
Responses to injury from Neoplastic Reticulosis.
whorls of reticuloendothelial cells around vessels, reticulin fibers around vessels.
Responses to injury from Neuropododermatitis.
loss of neurons in DRG, axonal degeneration.
Responses to injury from Idiopathic Polyradiculoneuritis.
1° demyelination, lymphomonocytic inflammation (viral?), 2° axonal degeneration, permanent axon loss and paresis if left untreated.
Responses to injury from Congential Myasthenia Gravis.
NONE.
Responses to injury from Acquired Myasthenia Gravis.
NONE.
Responses to injury from Dural Ossification.
bone, bone marrow inmeninges.
Responses to injury from Cerebrovascular Atherosclerosis.
smooth muscle cells filled with lipid, ruptured cells with released lipids, fibroblastic repair, thrombogenesis--clotting.
Responses to injury from Brain-Heart Syndrome.
acute myocardial necrosis.
Responses to injury from Degenerative Myelopathy in dogs.
axonal degeneration, secondary demyelination (Wallerian), all funiculi involved and mid-thoracic cord most severe.
Responses to injury from Degenerative Myelopathy in cats.
axonal degeneration, secondary demyelination (Wallerian), all funiculi involved and mid-thoracic cord most severe.
Responses to injury from Dysautonomia.
Enteric ganglia: neuronal chromatolysis, nuclear pyknosis, neuron loss, satellite cell proliferation.
Responses to injury from Viral Cerebellar Hypoplasia.
viral-induced neuronal necrosis, alteration of cerebellar organogenesis: abnormal folia, poorly demarcated white matter, poorly differentiated granular and molecular cell layers, reduced # of purkinje cells, purkinje cells in abnormal location.
Responses to injury from Genetic Cerebellar Hypoplasia.
viral-induced neuronal necrosis, alteration of cerebellar organogenesis: abnormal folia, poorly demarcated white matter, poorly differentiated granular and molecular cell layers, reduced # of purkinje cells, purkinje cells in abnormal location.
Responses to injury from Degenerative Encephalomyelopathy.
neuronal degeneration, axonal swelling, loss of myelin in certain tracts.
Responses to injury from Cholesteatoma.
cholesterol clefts, chronic inflammation.
Responses to injury from Equine Lower Motor Disease.
degeneration and swelling of neuron s.
Responses to injury from Listeriosis: brain stem of cow gives it away.
BRIAN STEM localized, proximal spinal cord (c1-c3).
Responses to injury from Thrombic Meningiencephalitis.
thrombotic necrotizing vasculitis--infarcts.
Responses to injury from Laminar Cortical Necrosis.
Acute neuronal degeneration and necrosis.
Responses to injury from Symmetrical Encephalomalacia.
Neuronal necrosis, Axonal degeneration, Perivascular inflammation.
Responses to injury from Spongiform Polioencephalopathy.
Vacuolar degeneration of neurons, Neuronal degeneration and loss, Astrogliosis, No inflammation.
Responses to injury from Lentivirus Encephalitis.
Loss of myelin, Destruction of paraventricular white matter gliosis, Granulomatous perivasculitis, Severe inflammation.
Responses to injury from Viral Leuko-encephalomyelitis.
White matter, Granulomatous vasculitis, Loss of myelin primary demyelinating disease.
Responses to injury from Caprine Arthritis Encephalitis.
White matter, Granulomatous vasculitis, Loss of myelin primary demyelinating disease.
Responses to injury from Pseudorabies.
Multifocal neuronal degeneration, Multifocal neuronal necrosis, Lymphomonocytic perivasculitis, Acidophilic intranuclear inclusions.
Responses to injury from Eosinophilic Meningoencephalitis.
Laminar cortical neuronal degeneration, Edema, Eosinophilic leukocyte and lymphomonocytic perivasculitis and meningitis, Necrosis with gitter cells.
Responses to injury from Cerebrospinal Angiopathy.
Fibrinoid vasculitis and perivasculitis, Focal axonal swelling, Edema, Neuronal degeneration, Nuclear lesions can be symmetrical in brain stem.