Although most closely associated with classical sickle disease (HbSS), boatshaped cells are also seen in compound heterozygotes between HbS and other abnormal haemoglobins.
Ignore boat cells in areas of blood movement, only consider if blood is static.
https://haematologyetc.co.uk/index.php?title=Boat-shaped_cells
Inherited defects of haemoglobin with sickling tendency
