Haematology Flashcards
What is the diagnosis of hereditary spherocytosis?
EMA binding test
How is hereditary spherocytosis managed? (of both acute haemolytic crises and longer term treatment)
Acute haemolytic crisis:
treatment is generally supportive
transfusion if necessary
Longer term treatment:
folate replacement
splenectomy
What is seen on blood film in G6PD? (2)
Heinz bodies
Bite/blister cells
What medications should be avoided in G6PD? (3)
Sulf drugs
Anti-malarials
Ciprofloxacin
How does iron overload present?
Same as haemochromatosis DM Impotence Joint pain Liver cirrhosis
What are features of beta thalassaemia major?
Severe symptomatic anaemia
Frontal bossing
Maxillary overgrowth
Extramedullary haematopoiesis
What is the management of a sickle cell crisis?
Red cell exchange transfusion Oxygen Morphine IV fluids IV Abx
What are features of Fanconi anaemia?
Café au lait spots
Aplastic anaemia
Increased risk of AML
Short stature and thumb abnomarlities
What is the inheritance pattern of Fanconi anaemia?
Autosomal recessive
What is sideroblastic anaemia?
Type of microcytic anaemia - can be congenital or ACQUIRED
High ferritin and transferrin saturation
How is sideroblastic anaemia seen on blood film?
Basophilic stippling
What is seen on bone marrow biopsy in sideroblastic anaemia?
Ringed sideroblasts
What is the most common type of Hodgkin’s lymphoma?
Which one has the best prognosis?
Nodular sclerosing
Best prognosis = Lymphocyte predominant
What is the management of non-Hodgkin’s lymphoma?
R-CHOP
Which marker is raised in lymphoma?
LDH- Lactate dehydrogenase
Which marker is decreased in CML?
Leukocyte alkaline phosphatase
What is Richter’s transformation?
CLL –> High grade lymphoma
Which type of autoimmune haemolytic anaemia does CLL predispose to?
Warm
What is tumour lysis syndrome and what are seen on lab results?
Complication of chemo treatment to leukaemia/lymphoma
High creatinine
Abdominal pain
AKI
High uric acid
High potassium
High phosphate
Low calcium
What is given for prophylaxis of tumour lysis syndrome?
IV Allopurinol
What are the 4 investigations done in multiple myeloma?
BLIP
B= Bence Jones (urine electrophoresis) L= serum light chain assay I = Serum immunoglobulins - raised P= serum protein electrophoresis --> increased monoclonal IgG
What are x-ray signs of multiple myeloma?
Lytic lesions
Punched out lesions
Raindrop skull
What is myelodysplastic syndrome?
Acquired disorder - blood cells do not develop properly
usually due to chemo or radiotherapy
Low Hb
Low WCC
Low platelets
How does essential thrombocytosis present?
Headaches
Dizziness
Burning sensation in hands
Increased risk of thrombosis
How is essential thrombocytosis managed?
Aspirin
Hydroxycarbamide
What are causes of polycythaemia?
Relative – dehydration
Primary – Polycythaemia rubra vera
Secondary – COPD, high altitude, obstructive sleep apnoea
How can you differentiate between primary and secondary polycythaemia?
Red cell mass studies