syndromes, reflexes, signs, quick recall Flashcards
metachromatic leukodystrophy
arylsulfatase A
Fabry
alpha galactosidase
Farber
ceramidase
Gaucher
beta glucosidase
Krabbe
galactosyl ceramide beta galactosidase
Nieman Pick
sphingomyelinase
Sandhoff
hexosaminidase A/B (HSM)
Tay Sachs
hexosaminidase A
Pompe
acid maltase def
rosenthal fibers
Alexander disease
NAA high
Canavan
CPT 2 (canitine palmitoyl 2 def)
recurrent myoglobinuria w/ exercise
systemic issue with galactosemia
ecoli sepsis
glutaric acidemia
movement disorder in baby, bat shaped MRI
Lesch Nyan
self mutilation, HGPRT, purine metab
Hurler
alpha L iduroniase
Hunter
iduronate sulfatase
PLP gene, hypomyelination leukencephalopathy
Pelizaeus Merzbacher
ataxia, neuropathy, steatorrhea, retinitis pigmentosa, acanthocytosis
abetalipoproteinemia, Bassen-Kornzweig syndrome
(a beta: I better head to the bathroom… or look for a Basin)
BASSEN: B apolipoprotein, Acanthocytosis, Ataxia, Areflexia, vitAdef, Steatorrhea, Sensory loss, Spinocerebellar degen, Eye findings, Neuropathy
Infant with : macroglossia, cardiomegaly, hepatomegaly, PAS positive membrane bound vacuoles
Pompe’s disease
adult with fatigue, weakness, respiratory failure, increased CK, myotonia in paraspinal muscles, intracranial aneurysms
Dx
Muscle biopsy finding
Adult pompe/acid maltase deficiency
vacuolar myopathy / lysosome stain PAS
dystonia, athetosis, tongue thrusting, torticollis, oculogyric crisis, ptosis, autonomic dysfunction w/ apnea, hypothermia, sweating
AADC deficiency:
Aromatic L-amino Acid decarboxylase Deficiency
sudanophilic material in macrophages
adrenoleukodystrophy
genetics of neonatal adrenoleukodystrophy?
AR as opposed to X-linked like older forms
progression of demyelination in adrenoleukodystrophy
occipital to frontal
deficiency of aspartoacylase
increased NAA on MRS
macrocephaly but loss of white matter
canavan
Think Spartan/ living in Caravan and caNAAvan
seizures, developmental delay, coagulopathy, GI sx, inverted nipples, abnormal fat distribution
CDG 1
most common etiology of recurrent myoglobinuria
chr 1p32, CPT II deficiency
See Pee Tea with 2 much exercise (CPT 2)
4 month old with irritability and sleep disturbance followed by neurologic / vision sx and hearing loss and
SLOWED head growth
Treatment
cerebral folate deficiency
Tx w/ folinic acid (leucovorin)
periumbilical rash, corneal deposits, GI/renal issues, heart issues
Fabry
lipogranulomatosis, cherry red spots, subcutaneous nodules, hoarseness, joint issues
Farbers, lipogranulomatosis from ceramidase deficiency
ceramidase deficiency
Farbers
cataracts, poor feeding, HSM, E. coli sepsis
galactosemia
PAS + histiocytes containing lipid
Gaucher cells
acquired microcephaly in first few months of life, spasticity, ataxia
Dz and tx
Glucose Transporter Type 1 deficiency, treat with ketogenic diet
frontotemporal atrophy w/ prominent sylvian fissures and bat wing MRI appearance. Retinal hemorrhages and subdural effusions
Glutaric acidemia type 1
What does Glutaric acidemia type II cause (2 syndromes)
neonatal hypotonia, sweaty feet odor
OR
Reye-type syndrome later in life
hypobetalipoproteinemia, acanthocytosis, retinitis pigmentosa, pallidal degeneration (HARP)
What gene?
PANK2 gene
Intermittent ataxia and nystagmus, photosensitive rash, amino acids in urine
low tryptophan
HARTNUP