Neuro Path Flashcards
Over- phosphorylated tau protein. Chromosome of genes responsible for early onset?
ALZ - APP gene (21) and presenilin (14)
Dementia, aphasia and parkinsonian aspects with spherical tau. Affects what brain areas?
Pick’s Disease - Frontal and Temporal Lobes
alpha-synuclein. Presents with dementia, hallucination and what?
Parkinsonism (earlier onset than PD)
Worsening dementia and myoclonus starting 2 months prior. Abnormal Protein gives CTX what appearance?
CJD - PrPsc (Beta-pleated sheet)
Affects MLF among other places. HLA?
MS; DR2
25 y/o woman with replasing incontinence, scanning speech and nystagmus. LP finds this protein.
MS; IgG
Periventricular plaques and oligodendrocyte loss and reactive gliosis. Treat with?
MS; IFN-B
Inflammation and demyelination or peripheral nerves. Associated with what infections?
Guillain-Barre; Campylobactor and CMV
Demylinated seen in AIDs pts. Another virus in the family affects what organ?
Progressive multifocal leukpencephalopathy fom JC Virus - Pylomavirus family.- BK virus - kidney
Multifocal perivenular inflammation and demylination after infection - from what vaccinations?
Rabies or smallpox
Multifocal perivenular inflammation and demylination after infection - from what infections?
Measles or VZV
AR disease that Impairs production of myelin sheath. Malfunctioning enzyme?
Metachromic leukodystrophy; arylsulfatase A deficiency
AR disease. Buildup of galactocerebroside destroys this neural component
Krabbe’s. Myelin Sheath
Seizure - 3Hz
Absence
Seizure - mistaken for fainting
Atonic
Tx for male pt with headache with periorbital pain with lacrimation and rhinnorrhea
Cluster headaches., O2 and Sumatriptan
Bilateral headache lasting 4-6 hours with no photophobia
Tension
Worst headache of my life - LP finding?
subarachnoid hemorrhage; Xanthocrhomic (yellow) findings
Worst headache of my life - associated genetic conditions (3)
subarachnoid hemorrhage, Marfans, Ehlers-Danlos, ADPKD
Worst headache of my life, risk 2-3 days later?
subarachnoid hemorrhage, vasospasm (ischemia)
Rupture of Charcot-Bouchard aneurysm leads to hemorrhage here?
Intreaparenchymal hemorrhage, Basal Ganglia
Hemorrhage associated with CNIII palsy. Can cross falx.
Epidural
Stroke with cystic cavity with reactive gliosis caused by what?
Atherosclerosis
PD exam finding pathology that results from decreased CSF absorption
Communicating hydrocephalus, papilledema
Wet, Wobbly, and Wacky - due to stretching of?
Normal pressure hydrocephalus; increased CSF leads to stretching of corona radiata and dilated ventricles
SC disease where only motor affected. MoA of Tx?
ALS - Riluzole - decreases glutamate
SC injury- spares DCs and Tract of Lissaeur
ASA occlusion
Pt with absense of DTRs, positive romberg and eyes that don’t respond to light. SC Tracts affected?
tertiary syphilus. DCs and roots
Vit B12 defieicy - SC syptoms?
decreased position sense and touch (demylination of DCs) and pain and temperature (spinocerebellar tracts)
Disease that kills LMNs. Caused by a virus that replicates where in body? and cell?
Polio; Oropharynx and small intestine. Cytoplasm
Floppy baby, hypotonia and tongue faciculations. Genetics? Mech?
Werdnig-hoffman. AR. Continual death of ventral horn cells after birth.
Staggering gait and falling with pes cavus and hammer toes. Genetics encodes protein that affects?
Friedreich’s ataxia. Frataxin - mito function
Staggering gait and falling with pes cavus and hammer toes. Cause of death?
Friedreich’s ataxia. Hypertrophic cardiomyopathy
Ptosis, no sweating and pinpoint pupils. Which ganglion affected?
Horner’s. Stellate (T1 level) or Superior cervical.
Paralysis of vertical gaze, can be caused by what tumor?
Parinaud syndrome - lesion in superior colliculi. Pinealoma.
Nuclus that controls taste and baroreceptor funtion?
solitarious
Nuclus that controls swallowing?
ambiguus
occlusion of unilateral MCA. Part of face affected?
Contralateral paralysis of lower face. (upper face has bilateral innvervation)
Facial paralysis with inability to close eye. Caused by these 3 microbes?
Bell’s palsy. Borreglia, AIDS, HSV
Mastication muscles?
Masseter, temoporalis, medial pterygoid.
Inflammation of uveal coat associated with this microbe and this HLA?
Uveitis. TB and HLA-B27
Sudden Painless monocular vision loss? PD finding?
Central retinal artery occlusion, Cherry red spot
Rock hard eye. Do not give?
Closed angle glaucoma. Don’t give Epi (don’t want mydiasis)
Marcus Gunn pupil after swinging flashlight test. Defect
One eye constricts less than the other. From optic nerve damage or retinal detatchment.
Wet Macular degeneration. Tx?
Loss of vision due to bleeding from neovascularization. Tx: Anti-VEGF
Damage to myers loop. Defect?
Superior Contralateral quadrantopia.
Vertigo from Nystagmus. Lesion?
Central vertigo. Vestibular Nuclei
Ipsilateral leptomenigeal angiomas, and large birthmark on face. Commonly will have what other tumor?
Sturge Weber syndrome. Pheochromocytomas
Tuberous Sclerosis sx?
HAMARTOMAS Hamartomas in CNS/skin Adenoma sebaceum Mitral Regurg Ash-leaf spots cardiac Rhabdomyoma Tuberous sclerosis Autosomal dOminent Mental retardation renal Angiomyolipoma Seizures
multiple dark spots with firm nodules on skin. Chromosome?
NF1. 17
VHL - findings?
VHL. Hemangiomas, Renal cell carcinoma, pheochromocytomas, hemangioblastmoa. Chromosome?
Presents with sudden, wild movements of an arm. Usual cause?
Hemiballismus. lacunar stroke.
Pt with decreased wakefulness. Lesion in what area of brain?
midbrain (reticular activating system)
Pt with lower body hemorrhage. Sx due to low brain perfusion?
upper leg/arm weakness and defects in visual processing