Cancer Care Flashcards
Describe the WHO performance status
0 - patient is fully active and more or less as they were before their illness
1 - the patient cannot carry out heavy physical work, but can do anything else
2 - the patient is up and about more than 50% of the day; and can look after themselves, but is not well enough to work
3 - the patient is in bed or sitting in a chair for more than half the day; and needs some help in looking after themselves
4 - the patient is in bed or a chair all the time and needs a lot of looking after
5 - the patient is dead
List the upper GI red flag symptoms
Epigastric mass Persistent vomiting Dysphagia Unintentional weight loss Iron deficiency anaemia Age >55 + dyspepsia/reflux/upper abdo pain
List the lower GI red flag symptoms
> 40 + unintentional weight, abdominal pain
50 + PR bleed
60 + change in bowel habit, iron deficiency anaemia, faecal occult blood
Rectal/abdo mass
List causes of cancer
Activation of oncogenes
Deletion of tumour suppressor genes (p53)
No apoptosis - radiation, chemicals, viruses, genetic factors
Describe the typical presentation, clinical features, investigations and management of Acute Lymphoblastic Leukaemia (ALL)
Presentation - children, young adults (good prognosis), proliferation of lymphoid blasts (B or T)
CFs - pancytopenia, bone pain, organomegaly
Ix - bloods + film, bone marrow flow cytometry
Mx - combination chemo (duration 9-12 months, 2 years maintenance) intrathecal chemo
Describe the typical presentation, clinical features, investigations and management of Acute Myeloid Leukaemia (AML)
Presentation - adults/elderly, increased incidence with age, proliferation of myeloid blasts
CFs - pancytopenia, gum hypertrophy, intracranial haemorrhage risk
Ix - bloods + film (auer rods), bone marrow flow cytometry (*cytogenetics determines prognosis)
Mx - chemotherapy (in trial) +/- allogenic stem cell transplant, palliative
Describe the typical presentation, clinical features, investigations and management of Chronic Lymphoid Leukaemia (CLL)
Presentation - may present like lymphoma (low grade), increased number of mature lymphocytes
CFs - often chance finding, fatigue, SOB, lymphadenopathy, organomegaly, atypical infections
Ix - FBC + film (smudge cells), flow cytometry
Mx - watch and wait, chemo/immunotherapy when clinically indicated
*may transform into high grade lymphoma = Richter’s transformation
Describe the typical presentation, clinical features, investigations and management of Chronic Myeloid Leukaemia (CML)
Presentation - increased number of mature myeloid cells e.g. very high WCC
CFs - hyperleucostasis = headache, blurred vision, ischaemia (heart/brain), abdominal pain, splenomegaly
Ix - bloods + film, bone marrow flow cytometry, cytogenetics/FISH = translocation of 9;22 (Philadelphia chromosome)
Mx - imatinib (tyrosine kinase inhibitor), monitor disease with blood PCR 3 monthly, allogenic bone marrow transplant
Describe the clinical features of polycythemia rubra vera
= uncontrolled production of RBCs in bone marrow despite EPO being switched off
CFs - thrombosis, pruritus, plethoric complexion, gout, splenomegaly (*beware if chronic hypoxia/smoker/high altitude)
Describe the typical presentation, clinical features, investigations and management of myelofibrosis
= clonal disorder of haemopoietic stem cells, abnormal cell cytokines –> bone marrow fibrosis
CFs - pancytopenia, splenomegaly
Ix - bloods + film, bone marrow trephine cytogenetics (JAK2 mutation)
Mx - supportive, chemo, JAK2 inhibitors, splenectomy, BM transplant
*can transform to leukaemia
What is a lymphoma?
Cancer of B or T cells
Describe different types of lymphoma
Non Hodgkin
Low grade - follicular, mantle, marginal
High grade - DLBCL, Burkitts, peripheral T cell
Hodgkin
Describe the typical presentation Non Hodgkin Lymphoma
Presentation - increased incidence with age, variable presentation, links with EBV, HIV, Hep.C
Describe the typical presentation, clinical features, investigations and management of follicular lymphoma
= type of low grade NHL
CFs - lymphadenopathy, organomegaly
Ix - lymph node excision biopsy immunohistochemistry, CT, bone marrow aspirate
Mx - watch and wait (annual CT scan), surgical excision, immunochemotherapy + rituximab *not curable
Describe the typical presentation, clinical features, investigations and management of diffuse large B cell lymphoma
= type of high grade NHL
CFs - widespread lymphadenopathy, pancytopenia, organ impairment, hypercalcaemia
Ix - bloods (LDH), lymph node excision biopsy, bone marrow aspirate, CT, PET scan
Mx - R-CHOP chemotherapy (*monitor tumour lysis bloods = 4-6hrly), allopurinol/rasburicase
Describe the typical presentation, clinical features, investigations and management of Hodgkin Lymphoma
Presentation - young adults or elderly (bimodal incidence), cervical lymphadenopathy
CFs - generalised lymphadenopathy, mediastinal nodal mass, chest pain, SOB, nodes wax and wane, B symptoms, organomegaly
Ix - bloods, lymph node excision biopsy (Reed-Sternberg cell), CT, PET scan
Mx - combined chemo/radiotherapy, steroids, fertility preservation
Describe the typical presentation, clinical features, investigations and management of myeloma
= bone marrow based cancer of plasma cells
Presentation - adults, elderly
CFs - hypercalcaemia, renal failure, anaemia, bony tenderness from lytic lesions (CRAB symptoms)
Ix - bloods + film, immunoglobulin blood (paraprotein kappa lambda, bence jones), calcium, skeletal survey/MRI, BM aspirate cytogenetics
Mx - IV fluids, bisphosphonates, chemotherapy, autologous stem cell transplant
*beware spinal cord compression
Describe the typical presentation, clinical features, investigations and management of neutropenic sepsis
Presentation - 10-14 days post chemotherapy + generally unwell
CFs - temp >38 or <36, HR >90, RR >20, confusion/drowsiness, blood glucose >7.7mmol/L, generally unwell, rigors after flushing line
Ix - FBC (neutrophil count <0.5 x10 9), LFTs, U&Es, lactate, CRP, cultures (urine, blood, sputum, stool), swabs (wounds, lines, catheters), CXR, ABG
Mx - empirical ABx IV (within 1hr), consider G-CSF if profoundly septic, sepsis six, PCP prophylaxis, stop chemotherapy drug
Describe the typical presentation, clinical features, investigations and management of malignant spinal cord compression
Presentation - breast/prostate/lung cancer or thyroid/renal/brain cancer, caused by collapse/compression of vertebral body with metastases
CFs - severe band like thoracic back pain, acute onset, worse with straining, lying down, spinal/radicular pain, bladder/bowel dysfunction, palpable bladder, limb weakness, sensory level dysfunction, well defined dermatomal level, flaccid paralysis, spasticity
Ix - (T2 weighted) urgent MRI spine
Mx - admit, bed rest + rolling, analgesia, dexamethasone 16mg + PPI, surgery (balloon kyphoplasty), radiotherapy, supportive nursing, PT/OT
Describe the typical presentation, clinical features, investigations and management of hypercalcaemia
Presentation - lung, breast, renal, myeloma, T cell lymphoma, poor prognostic indicator, due to tumour secretion of PTHrP or osteolytic metastases releasing cytokines
CFs - stones, moans, bones, psychiatric undertones (abdominal pain, bone pain, confusion, constipation, nausea, vomiting, polydipsia, polyuria, arrhythmia, non specific
Ix - ionised calcium or total calcium corrected, ALP, calcitonin, phosphate, X-ray, bone scan
Mx - IV fluids (3L in 24h), IV bisphosphonates (pamidronate or zolendronic acid), denosumab (for refractory hypercalcaemia), somastatin analogue (reduces PTHrP)
Describe the typical presentation, clinical features, investigations and management of superior vena cava obstruction
= obstruction of blood flow through SVC due to compression/occlusion
Presentation - lung cancer (SCLC), lymphoma, post radiotherapy fibrosis, TB, thrombus
CFs - breathlessness, swelling of face/neck/trunk/arm, choking sensation, headache, chest pain, dysphagia, hallucinations, thoracic vein distension, superficial neck vein distention, tachypnoea, cyanosis, laryngeal stridor, Pemberton’s sign
Ix - CXR (widened mediating, mass on R), CT contrast, venogram
Mx - elevate head, steroids, diuretics, stunting, chemotherapy (if SCLC, lymphoma, teratoma), radiotherapy (if malignancy not chemo sensitive), anticoagulation
Describe the risk factors, clinical features, investigations and management of tumour lysis syndrome
= abrupt release of cellular components following rapid lysis of malignant cells
Presentation - day 3-5 post chemo, raised uric acid, potassium, phosphate, low calcium
RFs - haematological malignancy (Burkitt lymphoma, ALL), large tumour burden, pre-existing renal impairment, pre-treatment hyperuricaemia, hypovolaemia/diuretic use, pre-treatment raised LDH, urinary tract obstruction from tumour
CFs - nausea, vomiting, diarrhoea, anorexia, lethargy, tetany, arrhythmia (tented T waves, QT widening), renal failure
Ix - full metabolic/biochemical profile, 4-6hrly bloods
Mx - increase hydration, allopurinol (for prevention) or rasburicase 3mg (for treatment/high risk patients), ECG, calcium, phosphate binders
What is the mechanism of action of allopurinol
Xanthine oxidase inhibitor
What is the mechanism of action of rasburicase
Synthetic uricase
What are the properties of cancer
Self sufficiency in growth signals Insensitivity to anti-growth signals Tissue invasion --> metastases Limitless replicative potential Sustained angiogenesis Evades apoptosis
Define the term neoadjuvant
Administration of a therapeutic agent before definitive treatment to shrink tumour and optimise outcomes
Define the term adjuvant
Treatment given after definitive treatment to reduce risk of disease recurrence
Define the term palliative
Treatment designed to relieve symptoms and improve quality of life
Define the term radical
Intent is to cure
Define the term chemotherapy and list some examples
Treatment with drug therapy
Chemo drugs interfere with essential growth steps –> apoptosis
e.g. 5-FU, platinum analogues, alkylating agents, taxanes, vinca alkaloids
Describe the methods of cancer cell resistance
Decreased uptake of drug Increase in drug metabolism Alter drug targets Impair apoptosis pathway Alter cell cycle checkpoints Efflux pumps
List side effects of chemotherapy
Brain - ‘chemo brain’, fatigue
Hair - alopecia
Lungs - pneumonitis, PE
Heart/blood - cardiomyopathy, neutropenic sepsis, myelosuppression
Liver - deranged LFTs
Stomach/GI tract - vomitng, mucositis, diarrhoea, constipation
Kidneys - AKI, electrolyte disturbance
Bladder - haemorrhage cystitis
Reproductive organs - impaired fertility, decreased libido, premature menopause
Skin - rash, nail ridging, peripheral neuropathy
Hands/feet - hand/foot erythema