Final Mix Flashcards
Lead poisoning
Inhibits Ferochelase and ALA dehydratase
^ ALA/ Protopophyrin
*Macrocytic anemia, Kidney dz
BASOPHILIC STIPPLING
Langerhans histocytosis
Birbeck granules (tennis racket)
Lytic bone lesion + rash and otitis media
Glanzman Thromboblasthenia
Decreased GpIIb/IIIa- aggregation defect
Hodgkins Lymphoma
Reed Steinberg cells
Continuous spread EBV associated
-Generally good prognosis
Prognosis better when Lymphocytes>Reed steinberg
Usually in younger or older
Fever, weight loss, night sweats,
Essential Fructosuria
Fructokinase D (AR)
Benign
fructose in urine
McArdle DZ
MYOPHOSPHORYLASE (skeletal M glycogen phosphorylase) D AR
*^ Muscle glycogen, painful muscle cramps and osmotic lysis of muscle cells with exercise.
*rare arrhythmias
Pompe DZ
Lysosmal alpha 1-4 Glucosidease D (AR)
*endsosomal glycogen deposits
*CARDIOMYOPATHY –>Death (heart)
*SYSTEMIC DISEASE –>Death (liver muscle)
Folate B9
Deficiency: Phenytoin, sulfonamides, MTX
*Increased cysteine with normal methylmmmalonyc acid
Glycolysis
PFK1
^AMP, F2-6P
v ATP, Citrate
De Novo Purine Synthesis
PRPP amidotransferase
v AMP, IMP, GMP
Minimal Change Dz
Nephrotic
LM-Normal
EM- Foot process effacement
*Kids
*infection, immunization etc.
*Hodgkins
TX: CORTICOSTEROIDS
Acute Intermittent Pophyria
Porphobilinogen Deaminase D causes ^ PORPHOBILINOGEN ,ALA, Coporhobilinogen
*Early Heme synthesis
*Painful abdomen, PORT WINE URINE- darkens on standing, Polyneuropathy, psychological
*PRECIPITATED BY DRUGS, ETOH, STARVATION TX: Glucose and HEME –IALA synthase
Irreversible enzymes of Gluconeogenesis
Pyruvate carboxylase
PEP carboxyKinase
F1-6Pase
G6Pase
Tay-Sachs disease
Hexosaminidase A D (AR) Buildup of GM2 GANGLIOSIDE
*Cherry red spot on macula,
ONION SKINNING of lysosomes
*Progressive neurodegeneration
DEATH BY AGE 4
Urea Cycle
Carbamoyl phosphate synthetase I
^ N-Acetyl glutamate
Diffuse Proliferative GN
SLE/MPGN “Wire looping” of capillaries
SubENDOthelial and intramembranous IgG with C3 deposition
NEPHROTIC OR NEPHRITIC
MOST COMMON CAUSE OF DEATH IN SLE
HUS
Hemolysis, uremia, thrombocytoopenia
Post EHEc common
Lysosomal Storage Diseases
I Cell DZ
Fabry
Gauchier
Niemann-Pick
Tay Sachs
Krabbe
Metachromatic leukodistrophy
Hurler syndrome
Hunter Syndrome
Von Gierke DZ
G6Pase D (AR)
*Severe fasting hypoglycemia
*^ Glycogen in liver/ HEPATOMEGALY
*^ Blood lactate
TX: Oral cornstarch and frequent feeding.
Avoid galactose and fructose
Membranous Nephropathy
Nephrotic LM- diffuse capillary and GBM thickening
IF- granular immune deposition
EM- Spike and Dome w/SUBEPITHELIAL deposits
*Most common 1ary caucasian nephrosis
*Anti-phospholipid A2 receptor
*HBV, HCV, SLE, TUMOR
RPCGN
Goodpasture Wegener’s GPA
Microscopic polyangiitis
Crescent moon shaped fibrin, protein, and leukocyte infiltration
Classic Galactosemia
Galac1P Uridyltransferase D (AR) causes ^GALACTITOL
*Infantile Cataracts
*Failure to thrive
*jaundice
*hepatomegaly
*intellectual Disability
TX: Exclude galactose and Lactose from diet
Kawasaki disease
Fever 4 days + CRASH - Conjunctivitis, Rash, Adenopathy, Strawbery tongue, Hands and feet.
*Necrotising vasculitis of medium arteries including coronaries (risk for aneurysm/thrombosis/rupture)
TX: IVIG and ASPIRIN
IL12R Deficiency
Decreased Th1- TB all the time (and fungal)
v IFN gamma (treat with supplemental)
Acute post strep GN
Hypercellular glomeruli with “lumpy bumpy” immune complexes along BM and mesangium
SubEPITHELIAL humps on EM
cola colored urine, HTN, decreased complement levels
N-Acetylglutamate deficiency
Needed for CPS 1 –> hyperammonemia ^ornathine without orotic aciduria
Normal urea cycle enzymes/ No enzyme deficiency
Maple Syrup Urine Disease
Alpha Keto-acid Dehydrogenase D (AR) B1 FAD NAD dependent
I Love Vermont- Isoleucine, Leucine, Valine
*CNS Defects
*Intellectual diability
*death
TX: Restrict ILV, Thiamine supplement
Nephrotic syndrome
>3.5g Proteinuria
Hyperlipidemia Fatty casts
Thromboembolism (ATIII loss)
^ Risk of infection
FSGS, Membranous Nephropathy, Minimal change Dz, Amyloidosis, Membranoprolferative GN, Diabetic Glomerulonephropathy
Weber syndrome
Paramedian stroke
*Ipsilateral Oculomotor nerve palsy
*Contralateral Hemiparesis
*Contralateral Hypoglossal palsy
*Contralateral parkinsonism
B6 Pyridoxine
Pyridoxal Phosphate Vital to ALT and AST function
Transamination, decarbox, glycogenolysis, many neurotransmitters etc Defieciency-
*GABA deficiency- Convulsions, hyperirritability, peripheral neuropathy
*Can be caused by INH and OCP
*Sideroblastic anemia
Follicular lymphoma
t14:18 IgG BCL2
vApotosis Adults Indolent with “WAXING AND WANING LYMPHEDENOPATHY
Hartnup Dz
Cant uptake neutral AA Tryptophan/ Niacin Deficiency
*Pellagra: Dermatitis, diarrhea, dimentia
TX: Niacin supplements
Focal Segmental Glomerulosclerosis
Nephrotic
LM- Segmental sclerosis and hyalinosis LM
EM- Foot process effacement- Like minimal change
AA/Hispanic HIV, SS Dz, Heroin abuse, Obesity, IFN treat, CKD- congenital or removal
Niacin- B3
NAD factor- can be derived from tryptophan
Deficiency- Pellagra
*Dermatitis *Dementia *Diarrhea
Excess- Facial flushing Hyperglycemia Hyperuricemia
Alport syndrome
IV collagen problem
BM thinning Glomerulonephritis, deafness, eye problems
“Cant pee, cant see, cant hear high C”
Temporal Giant Cell Arteritis
Most common in elderly females
Unilateral headache
Focal granulomatous inflammation of carotid artery branches
can cause blindness due to ophthalmic occlusion.
TX: CORTICOSTEROIDS
Associated with Polymyalgia rheumatica
Alport syndrome
IV collagen problem BM thinning Glomerulonephritis, deafness, eye problems “Cant pee, cant see, cant hear high C”
Mantle cell lymphoma
Older males
- 11:14 translocation
- IgG and Cyclin D
Gaucher DZ
MOST COMMON GLUCOCEREBROCIDASE D (XR) leads to ^ GLUCOCEREBROSIDE
*hepatosplenomegaly
*pancytopenia
*Aseptic necrosis of femur
*bone crises
*Gaucher Cells- LIPID LADEN MACs RESEMBLING CRUMPLED TISSUE PAPER
TX:rGLUCOCEREBRSIDASE
Acyl- CoA Dehydrogenase D
*decreased FA B- Oxidation *v Gluconeogeneis (Acetyl CoA is activator) * Decreased fasting glucose
I-Cell DZ
Problem attaching M6P to lysosomal proteins in golgi (phosphotransferase D)
Proteins secreted instead (in secretory granules)
*Coarse facial features
*Clouded corneas
*Restricted joint mvt.
*high plasma lysosomal proteins
OFTEN FATAL IN CHILDHOOD
Adenosine Deaminase deficiency
(AR) Purine salvage deficiency causing hyper ATP and dATP Negative feedback on purine synthesis Results in a severe combined immunodeficiency -Failure to thrive -Chronic diarrhea -Recurrent infections of all types (Signs: No thymic shadow, v TRECs, no T cells
IgA nephropathy
Mesangial proliferation with Mesangial Immune Complexes
Henoch- schonnlein purpura
URI/ gastroenteritis preceeding
Hematuria, RBC casts, arthritis, rash
Gluconeogenesis
F1-6Pase
^ATP , Acetyl CoA
v AMP, F2-6P
Cori DZ
Debranching Enzyme D (AR)
*Branched Glycogen in liver
*Mild hepatomegaly and low fasting glucose
Mycoses fungoides- Sezary
Cerebreform nuclei CD4+
cutaneous patches and lymph tumors
Indolent course