2: Myeloma Flashcards
What is myeloma
Uncontrolled proliferation of plasma cells leading to Ig secretion
What does classification of myeloma depend on
Ig secreted
In which gender is myeloma more common
Males (3:2)
What age is the peak incidence of myeloma
50-70 years-old
What ethnicity is myeloma more common
Afro-Carribean
What is monoclonal gammopathy of unknown signficiance
Where there are plasma cells releasing abnormal antibody, however, levels are significantly less compared to myeloma
What % of plasma cells are normal in MGUS
3%
What % patients with MGUS will develop myeloma
10%
What is a common first presentation in myeloma
Back Pain
What causes back pain in myeloma
Osteolytic lesions - causing pathological fractures and vertebral collapse
What can osteolytic bone lesions cause
Fractures
What is a mnemonic to remember symptoms of myeloma
CRABBI
What does CRABBI stand for
Calcium High Renal Failure Anaemia Bone fractures Bleeding Infection
What are the symptoms of hypercalcaemia
Stones, Bones, Groans and Psychic Overtones
What are the renal signs of myeloma
Renal: dehydration and first
How may anaemia present in myeloma
Breathlessness, Pallour, Fatigue
What causes bleeding in myeloma
Thrombocytopenia