KEY ANTIBODIES + PATHOGNOMONIC BLOODS Flashcards
Autoimmune hepatitis type 1
Anti-actin
ANA
Anti-SLA/LP
SMA
Autoimmune hepatitis type 2
anti-LKM1
anti-LC1
PSC
p-ANCA
PBC
AMA
Wilson’s disease
Caeruloplasmin
Hereditary haemochromatosis
Raised ferritin
Active hep B infection
HBsAg
Current or previous hep B infection
HBcAb
IgM = current IgG = previous
Core hep B antigen
HBcAg
active replication of hep B infection
HBeAg
antibody showing that hep B has stopped replicating
HBeAb
vaccination against hep B
HBsAb
direct count of hep B viral load
HBV DNA
screening tests for hep B
HBcAb + HBsAg
tests done if hep B screening positive
HbeAg + HBV DNA
Coeliac disease
anti-TTG/ anti-EMA
**MUST check IgA first.
Myaesthenia gravis
Anti-ACh antibodies
Anti-MUSK
Anti-LPR4
Churg-strauss syndrome (eosinophilic granulomatosis with polyangiitis)
pANCA
eosinophils >10%
(+ asthma + paranasal sinusitis + pulmonary infiltrates)
Lambert-Eaton syndrome
Antibodies to voltage gated calcium channels
Membranous glomerulonephritis.
Anti-phospholipase A2 receptor antibody.
Post-streptococcal glomerulonephritis.
Anti-streptolysin O titres.
Anti-DNAase B
Decreased serum C3
Systemic lupus erythematosus.
ANA
Anti-dsDNA
Granulomatosis with polyangiitis.
c-ANCA.
Microscopic polyangiitis.
p-ANCA.
Goodpastures disease.
Anti-GBM antibodes.
Grave’s disease.
Anti-TPO antibodies.
TSH receptor antibodies.
Hashimoto’s thyroiditis.
Anti-TPO antibodies.
Anti-thyroglobulin antibodies.
Myasthenia gravis.
Anti-ACh
Anti-MUSK antibodies
Anti-LRP4 antibodies
Rheumatoid arthritis.
RF
Anti-CCP.
Multiple sclerosis.
Oligoclonal bands in CSF.
Clotting test pattern in haemophilia?
APTT prolonged.
PT, thrombin time + bleeding time all normal.
Clotting test pattern in von willebrand disease?
APTT prolonged
PT normal
Bleeding time prolonged
Eosinophilic granulomatosis with polyangiitis.
p-ANCA.
Iron deficiency anaemia.
Low serum iron.
Low ferritin.
High transferrin/ TIBC
Anaemia of chronic disease.
Low/ normal serum iron.
Low/ normal ferritin.
Low transferrin/ TIBC.
Sideroblastic anaemia.
Ringed sideroblasts (iron-engorged peri-nuclear mitochondria in developing RBCs).
Pernicious anaemia.
Increased IgA antibodies against intrinsic factor/ parietal cells.
Hereditary spherocytosis.
Circular cells
Low Hb
Raised reticulocytes.
G6PD deficiency.
Heinz bodies.
Warm AIHA.
IgG
Cold AIHA.
IgM.
AML/ acute pro-myelocytic leukaemia.
Auer rods.
AML blood film.
Auer rods.
Blast cells.
CML.
Leukoerythroblasts.
Myelofibrosis.
Tear drop poikilocytosis.
CLL.
Smear/ smudge cells.
Myeloma.
Rouleaux formation.
BJPs.
Hodgkin’s lymphoma.
Reed-Sternberg cells.
Burkitt’s lymphoma.
Starry-sky appearance on blood film.
Polycythaemia vera.
Isolated rise in RBC count.
Von Willebrand’s disease clotting profile.
Prolonged APTT
Normal PT
Prolonged bleeding time
Von Willebrand’s disease.
Reduced VIII and reduced VWF.
Haemophilia clotting profile.
Prolonged APTT
Normal PT
Relationship between all spondyloarthropathies?
HLAB27
Gout joint aspiration?
Negatively birefringent, needle shaped, monosodium rate crystals.
Pseudogout joint aspiration?
Positively birefringent, rhomboid shaped, calcium pyrophosphate crystals.
SLE.
Sensitive? ANA.
Specific? anti-dsDNA/ anti-smith
Others: low C3 and C4
Antiphospholipid syndrome?
Anticardiolipin antibodies
Anti-beta-2 glycoprotein I antibodies.
Limited cutaneous systemic sclerosis (CREST syndrome).
Anti-centromere antibodies.
Diffuse cutaneous systemic sclerosis.
Anti-Scl-70 antibodies.
Sjogren’s syndrome.
Anti-Ro + Anti-La antibodies.
Dermatomyositis.
Anti-Mi-2 antibodies
ANA
SOMETIMES Anti-Jo-1 antibodies.
Polymyositis.
Anti-Jo-1 antibodies.
Granulomatosis with polyangiitis.
cANCA.
Microscopic polyangiitis.
pANCA.
Eosinophilic granulomatosis with polyangiitis.
pANCA.
MEN type 1 presentation.
Parathyroid problems (hyperparathyroidism) Pituitary problems Pancreas problems (insulinoma)
MEN type 1 gene.
MEN 1 gene.
Most common presentation of MEN 1.
Hypercalcaemia.
MEN type 2a presentation.
Medullary thyroid cancer
Parathyroid problems
Phaeochromocytoma.
MEN type 2 gene?
RET oncogene.
MEN type 2b presentation.
Medullary thyroid cancer
Phaeochromocytoma
Marfanoid body
Neuromas
Most common thyroid cancer.
Papillary.
Thyroid cancer associated with Hashimoto’s thyroiditis.
Lymphoma.
Blood clotting results in haemophilia?
APTT prolonged
PT and bleeding time normal.
Blood clotting results in von Willebrand’s disease?
APTT increased
PT normal
Bleeding time increased
Blood clotting results in vitamin K deficiency?
APTT increased
PT increased
Bleeding time normal
Primary and tertiary hyperparathyroidism.
High PTH
High Calcium.
Secondary hyperparathyroidism.
High PTH
Low Calcium
Drug-induced lupus.
Anti-histone antibodies.