Oncology Flashcards
Investigations pancreatic cancer
U/S shows ‘double duct’ dilatation
Sx pancreatic cancer
Painless jaundice
Pale stools
Dark urine
Systemic sc
Marker for pancreatic cancer
Ca19-9
Genetic predisposition to pancreatic cancer
BRCA2 and KRAS
Cause of pancreatic cancer
Decreased stercobilin
Common type of cancer - pancreatic cancer
Adenocarcinoma - pancreatic head
Management pancreatic cancer
Whipple’s and chemo
Genetic predisposition bowel cancer
APC, KRAS, TP53
Investigations for diagnosing bowel cancer
Colonoscopy
Treatment bowel cancer
Surgery
Colon cancer metastases
Liver
Rectum cancer metastases
Lung
Most common type and position of bowel cancer
Adenocarcinoma - l colon
FH bowel cancer
FAP
Lynch syndrome - autosomal dominant condition causing aggressive tumours in proximal colon and endometrium
Sx right sided bowel cancer
Iron def anaemia
Weight loss
Melena
Diarrhoea
Sx left sided bowel cancer
Abnormal stools
Colicky pain
tenesmus
Tumour marker colon cancer
CEA
What is non-hodgkin’s lymphoma?
Lymphoma without Reed-Sternberg cells = better prognosis
Cause of MALT lymphoma
H.pylori
Most common non-hogkin’s lymphoma
Diffuse + large cell
Burkitt’s lymphoma diagnosis
‘Starry sky’ appearance on biopsy
EB virus association
Ix non-hodgkin’s lymphoma
Biopsy, FBC, Ig tests, HIV/hepatitis
Symptoms non-hodgkin’s lymphoma
Same as HL + anaemias
Treatment NHL
RCHOP
Rituximab
Cychophosphamide
Hydroxydaunorubicin
Oncovin
Prednisolone
S/e cyclophosphamide
Bleeding bladder - give mesna
Risk factor gastric cancer
H.pylori
Paraneoplastic syndrome with gastric cancer
Acanthosis nigricans
Symptoms gastric cancer
Abdo pain + dyspepsia
Weight loss and early satiety
N and V
Virchow’s node
Tx gastric cancer
Roux-en-Y bypass
Gastrectomy
Most common type of gastric cancer
Adenocarcinoma
Diagnosing gastric cancer
Endoscopy and biopsy (gives signet ring cells)
HER2 testing
What is reactive lymphadenopathy?
Painful, enlarged LNs lasting less than 6 weeks
Treatment oesophageal cancer
Surgery + chemo/radio therapy
Risk factors for squamous cell oesophageal cancer
processed food and afro-caribbean heritage
Where are squamous cell oesophageal cancers located?
Upper 2/3 oesophagus
Risk factors for adenocarcinoma oesophageal cancers
Smoking and GORD
Barrett’s oesophagus
Where are adenocarcinoma oesophageal cancers located?
Lower 1/3 of oesophagus
Early symptoms of oesophageal cancer
Asymptomatic
Diagnosing oesophageal cancer
Oeosphagastroduodenoscopy + biopsy
Apple core sign with barium (structure)
Late sx of oesophageal cancer
Weight loss, anaemia, dysphagia, coughing, haematemesis
What is Hodgkin’s lymphoma?
B cell malignancy affecting younger people
Diagnosing HL
Reed-Sternberg cells on biopsy - CD15 and CD30 +ve
Type of HL with best prognosis
Lymphocyte dominant
Sx HL
Enlarged cervical LNs
Hepatosplenomegaly
B sx = night sweats and fever
Treatment HL
Adriamycin
Bleomycin
Vinblastin
Darcarbazine
Triple assessment breast cancer
Examination
Aspiration
Imaging
Main type of breast cancer
Adenocarcinoma
Ductal breast cancer
From epithelial lining of ducts - most common
How often are women screened in the UK for breast cancer?
3 years
Lobular breast cancer
From epithelial lining of terminal ducts
Risk factors breast cancer
Oestrogen
HRT
the Pill
BRCA 1/2
HER2
Symptoms breast cancer
Painless breast mass
+/-:
- Discharge
- Nipple changes
- Paget’s nipple
Cancer marker breast cancer
CA-153
Surgical treatment for breast cancer
Excision if tumour small, LNs are negative and it is less than stage 2
Otherwise mastectomy
Treatment for breast cancer if HER2 +ve
Herceptin
Treatment for pre-menopausal women with breast cancer
Tanoxifen
Treatment for post-menopausal women with breast cancer
Anastrozole
Sx lung cancer
Cough
Haemoptysis
Dyspnoea
Wight loss and anorexia
Wheeze and clubbing
Treatment for lung cancer
Lobectomy +/- chemo
Ix lung cancer
CXR and biopsy
Where are small cell tumours located?
Centrally
Paraneoplastic syndromes with small cell lung cancer
Lambert-Eaton
ADH = hyponatraemia
ACTH = cushing’s
Two types of non-small cell lung cancer
Squamous and adenocarcinoma
Most common type of lung cancer
Adenocarcinoma (non-small cell)
Where are adenocarcinomas in lung?
peripherally
Ix adenocarcinomas lungs
Mucin-producing cells
Sx adenocarcinoma lungs
Common in non-smokers, sx is gynaecomastai
Where are squamous lung cancers located?
Centrally
Which type of lung cancer causes hypercalcaemia?
Squamous cell through increased PTH
What is smouldering myeloma?
Transition from MGUS to multiple myeloma
Treatment smouldering myeloma
No treatment but monitor
Sx smouldering myeloma
Usually asymptomatic
Diagnosis of smouldering myeloma
Monoclonal protein >30
Plasma cells >10%
Symptoms of MGUS
Normally asymptomatic
Blood results for MGUS
Serum protein <30
Monoclonal plasma cells <10%
Treatment MGUS
None
What is MGUS
Pre-malignant condition before myeloma formation
Treatment multiple myeloma
Prevent infection and renal failure
Stem cell transplant
What is multiple myeloma
Neoplasm of bone marrow plasma cells
Investigations multiple myeloma
Monoclonal bands
Proteins (IgA or IgG) -> Bence-Jones proteins
Body MRI showing rain drop skull
Symptoms multiple myeloma
Bone disease + pain
Lethargy
Hypercalcaemia
Renal failure
Anaemia
(hyperCalcaemia, Renal failure, Anaemia, Bone pain)
= CRAB
Paraneoplastic syndrome with mesothelioma
Pulmonary osteoarthropathy
Mesothelioma cause
Asbestos
What is mesothelioma?
Cancer of lung pleura
Ix mesothelioma
CXR/CT shows plaques and thick pleura
Sx mesothelioma
Dyspnoea, chest pain, clubbing
What is Waldenstrom’s macroglobulinaemia ?
Proliferation of immature B cells = lymphoma
Sx Waldenstrom’s macroglobulinaemia
Tired and anorexic
Anaemia
Lymphadenopathy
Organosmegaly
Ix Waldenstrom’s macroglobulinaemia
IgM
Treatment Waldenstrom’s macroglobulinaemia
Watch and wait -> chemo
What is acute myeloid leukaemia
Cancer of WBCs
Ix acute myeloid leukaemia
Decreased Hb and platelets
AUER rods on film
Sx acute myeloid leukaemia
Anaemia
Neutropaenia
Thrombocytopenia
Splenomegaly
Treatment acute lymphoid leukaemia
Chemo and BM transplant
Age category acute lymphoid leukaemia
Children
Key sx acute lymphoid leukaemia
Lymphadenopathy
Sx acute lymphoid leukaemia
Bone/joint pain
No auer rods
Lymphoblast sin blood
Hepatosplenomegalty
genetic basis of chronic myeloid leukaemia
Mutation of Philadelphia chromosome 9 and 22 -> excess tyrosine kinase
BCR-ABL gene
Sx chronic myeloid leukaemia
Splenomegaly
Anaemia
Weight loss
Decreased ALP
Treatment chronic myeloid leukaemia
Imatinib = tyrosine kinase inhibitor
Chronic lymphoid leukaemia sx
Lymphadenopathy, splenomegaly, fever, SMUDGE cells
Treatment chronic lymphoid leukaemia
Rituximab and prednisolone
Chronic lymphoid leukaemia blood results
Increased WBCs
What type of lymphoma is indicated by translocation of heavy-chain immunoglobulin and cyclin D1?
t(11:14) = mantle cell lymphoma
What is mantle cell lymphoma?
NHL characterised by neoplastic proliferation of mature B cells - sx include B sx
Which type of HL has the best prognosis?
Classical lymphocyte predominant
Paraesthesia in glove and stocking distribution is caused by
vincristine
Nivolumab MOA
increase body T cell population
what is neoplastic spinal cord compression?
oncological emergency caused by vertebral metastases from lung/breast/prostate CA
sx neoplastic spinal cord compression
back pain, lower limb weakness
mx neoplastic spinal cord compression
immediate dexamethasone
urgent MRI
neutropenic sepsis
complication of chemo - normally 7-14 days (NADIR CURVE)
sx neutropenic sepsis
neutropenia <0.5, fever, sepsis sx
mx neutropenic sepsis
IV tazocin (piperacillin and tazobactam) immediately, don’t wait for ix results