Auer Rod
AML
PML when DIC
(MDS RAEB type II if
Aquagenic pruritus
Polycythemia rubra vera
Histamine release leads to itching on contact with water
Smear cell
CLL
Teardrop dacrocyte
Myelofibrosis
Osmotic fragility
Hereditary spherocytosis
Heinz bodies + bite cell + broad beans
G6PD deficienct
Donath-Landsteiner Abs
Paroxysmal cold haemoglobinuria
Ham’s test
Paroxysmal nocturnal haemoglobinuria
E.coli 0157
HUS
Downey cell
Reactive lymphocytosis - EBV, CMV
Clue cells
Bacterial vaginosis
Gardenerella vaginalis produces vaginolysin toxin
Widal test
Typhoid - Salmonella typhi/paratyphi
A densely fibrotic ‘wooden’ lesion with central purulence containing sulphur granules surrounded by neutrophils
Actinomyces israelii