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Question 1
Incorrect
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A 55-year-old man is referred to the Haematology Clinic under the 2-week-wait rule with significant fatigue and frequent infections over the past six months. His blood results confirm a diagnosis of chronic lymphocytic leukaemia (CLL) with a 17p chromosome deletion.
Which of the following is the most appropriate first-line treatment?Your Answer: Imatinib
Correct Answer: Acalabrutinib
Explanation:Treatment Options for Chronic Lymphocytic Leukaemia (CLL)
The National Institute for Health and Care Excellence (NICE) has released new guidelines for managing newly diagnosed CLL in adults. Acalabrutinib is recommended as a monotherapy option if the patient has a 17p deletion or TP53 mutation, or if fludarabine plus cyclophosphamide and rituximab (FCR) or bendamustine plus rituximab (BR) are unsuitable. Prednisolone, a glucocorticoid commonly used in treating lymphoma, has no role in managing CLL. If there is no 17p deletion or TP53 mutation, FCR or BR would be the most appropriate first-line treatment. Conservative management is not recommended as the patient has developed signs of bone marrow dysfunction. Imatinib, the first-line treatment for CML, would not be useful for CLL.
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This question is part of the following fields:
- Haematology/Oncology
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Question 2
Incorrect
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Which of the following may be linked to a higher risk of venous thromboembolism?
Your Answer: Hypothyroidism
Correct Answer: Behcet's syndrome
Explanation:Venous Thromboembolism: Common Risk Factors
Venous thromboembolism (VTE) is a condition where blood clots form in the veins, which can lead to serious complications such as pulmonary embolism (PE). While there are many factors that can increase the risk of VTE, some are more common than others. These include malignancy, pregnancy, and the period following an operation. Other general risk factors include advancing age, obesity, family history of VTE, immobility, hospitalization, anaesthesia, and the use of central venous catheters. Underlying conditions such as heart failure, thrombophilia, and antiphospholipid syndrome can also increase the risk of VTE. Additionally, certain medications like the combined oral contraceptive pill, hormone replacement therapy, raloxifene, tamoxifen, and antipsychotics have been shown to be risk factors.
It is important to note that while these factors can increase the risk of VTE, around 40% of patients diagnosed with a PE have no major risk factors.
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This question is part of the following fields:
- Haematology/Oncology
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Question 3
Correct
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A 65-year-old woman is being evaluated one week after being diagnosed with a deep vein thrombosis in her left leg. She has been administered low-molecular weight heparin for five days and has now been prescribed warfarin. The patient has a medical history of osteoporosis, breast cancer, type 2 diabetes, and depression. Which medication she is currently taking is most likely to have contributed to her increased risk of developing a deep vein thrombosis?
Your Answer: Tamoxifen
Explanation:Prior to initiating tamoxifen treatment, women should be informed about the elevated risk of VTE, which is one of the most significant side effects of the medication. Additionally, tamoxifen has been linked to an increased risk of endometrial cancer.
Venous Thromboembolism: Common Risk Factors
Venous thromboembolism (VTE) is a condition where blood clots form in the veins, which can lead to serious complications such as pulmonary embolism (PE). While there are many factors that can increase the risk of VTE, some are more common than others. These include malignancy, pregnancy, and the period following an operation. Other general risk factors include advancing age, obesity, family history of VTE, immobility, hospitalization, anaesthesia, and the use of central venous catheters. Underlying conditions such as heart failure, thrombophilia, and antiphospholipid syndrome can also increase the risk of VTE. Additionally, certain medications like the combined oral contraceptive pill, hormone replacement therapy, raloxifene, tamoxifen, and antipsychotics have been shown to be risk factors.
It is important to note that while these factors can increase the risk of VTE, around 40% of patients diagnosed with a PE have no major risk factors.
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This question is part of the following fields:
- Haematology/Oncology
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Question 4
Correct
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A 15-year-old Afro-Caribbean girl arrives at the emergency department with complaints of left hip pain. There is no history of recent trauma, but the patient has a medical history of sickle cell disease and has been admitted multiple times in the past with similar symptoms. What is the appropriate management plan for this patient?
Your Answer: Painkillers, oxygen and IV fluids
Explanation:To effectively manage sickle cell crisis, it is essential to administer analgesia, oxygen, and IV fluids. In addition, antibiotics may be necessary if an infection is suspected, and transfusion may be required if the patient’s Hb levels are low.
It is not advisable to simply monitor patients without providing any treatment, as this would result in significant pain and discomfort.
The most effective approach involves a combination of oxygen, fluids, and analgesia. Pain management is crucial, as the blockage of blood vessels by sickle-shaped red blood cells prevents the delivery of oxygen and blood to the tissues, resulting in pain. Oxygen supplementation is necessary to alleviate this pain, and IV fluids can help to slow or halt the sickling process. None of these components alone would be sufficient in managing pain, but together they form a comprehensive approach to pain management.
Managing Sickle-Cell Crises
Sickle-cell crises can be managed through various interventions. General management includes providing analgesia, rehydration, and oxygen. Antibiotics may also be considered if there is evidence of infection. Blood transfusion may be necessary for severe or symptomatic anemia, pregnancy, or pre-operative cases. However, it is important not to rapidly reduce the percentage of Hb S containing cells.
In cases of acute vaso-occlusive crisis, such as stroke, acute chest syndrome, multiorgan failure, or splenic sequestration crisis, exchange transfusion may be necessary. This involves rapidly reducing the percentage of Hb S containing cells. It is important to note that the management of sickle-cell crises should be tailored to the individual patient’s needs and medical history. Proper management can help alleviate symptoms and prevent complications.
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This question is part of the following fields:
- Haematology/Oncology
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Question 5
Correct
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A 28-year-old pregnant woman is brought into the Emergency Department with acute confusion and abnormal behaviour. Her husband says she has been well till today. There is no past medical history of note and she takes no regular medication.
On examination, she is febrile with a temperature of 38.7 °C. Her heart rate is 125 bpm with a blood pressure of 115/95 mmHg. Chest sounds are clear and heart sounds are normal. She has a soft abdomen with a palpable uterus in keeping with 16 weeks’ gestation.
Investigations:
Investigation Result Normal value
Haemoglobin (Hb) 92 g/l 115–155 g/l
White cell count (WCC) 10.3 × 109/l 4.0–11.0 × 109/l
Neutrophils 7.1 × 109/l 2.5–7.5 × 109/l
Lymphocytes 0.9 × 109/l 0.8–5.0 × 109/l
Platelets (PLT) 57 × 109/l 150–400 × 109/l
Sodium (Na+) 136 mmol/l 135–145 mmol/l
Potassium (K+) 4.5 mmol/l 3.5–5.0 mmol/l
Urea 17.3 mmol/l 1.8–7.1 mmol/l
Creatinine (Cr) 225µmol/l 50–120 µmol/l
Estimated glomerular filtration rate (eGFR) 34 60+
Bilirubin 20µmol/l 1–22 µmol/l
Alanine aminotransferase (ALT) 35 U/l 7–55 U/l
Alkaline phosphatase (ALP) 85 U/l 30–150 U/l
Albumin 40 g/l 35–55 g/l
C-reactive protein (CRP) 9 mg/l < 10 mg/l
Which of the following is the best investigation to confirm the likely diagnosis?
Select ONE option onlyYour Answer: Blood film
Explanation:Investigations for Thrombotic Thrombocytopenic Purpura in a Pregnant Patient with Fever and Confusion
Thrombotic thrombocytopenic purpura (TTP) should be considered in a pregnant patient presenting with fever, acute kidney injury, cerebral dysfunction, thrombocytopenia, and microangiopathic hemolytic anemia. To confirm the diagnosis, a blood film is needed to show the presence of schistocytes from the destruction of red blood cells. An abdominal ultrasound may be considered, but it will not aid in identifying the underlying diagnosis. Although a blood culture is appropriate, it would not confirm the diagnosis. A CT head or lumbar puncture may be useful in excluding visible organic pathology, but they do not play a role in the diagnosis of TTP.
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This question is part of the following fields:
- Haematology/Oncology
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Question 6
Incorrect
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A 70-year-old retired car mechanic who is a smoker is diagnosed with lung cancer. Some fifteen years ago he was treated with surgery and adjuvant chemotherapy for bladder cancer. His brother had oesophageal cancer aged 66 and another brother had prostate cancer in his 70s. His 55-year-old daughter was recently diagnosed with breast cancer.
Which of the following is the most likely explanation for the cancers in your patient?Your Answer: Exposure to aniline dyes
Correct Answer: Exposure to tobacco smoke
Explanation:Understanding the Possible Causes of Multiple Cancers in an Individual
It is not uncommon for an individual to develop two different types of cancer over their lifetime. In a case where a man has been diagnosed with both bladder and lung cancer, the possible causes need to be explored.
Exposure to tobacco smoke is the most likely cause of both cancers in this case. Smoking is responsible for 85% of lung cancers and is also the biggest risk factor for developing bladder cancer.
Exposure to asbestos or aniline dyes are not likely causes of both cancers. While asbestos exposure is associated with mesothelioma, it is not linked to bladder cancer. Similarly, aniline dyes increase the risk of bladder cancer but not lung cancer.
A hereditary cancer predisposition syndrome is also an unlikely cause in this case. While it is possible for an individual to have a genetic predisposition to developing multiple cancers, there are no specific patterns in the family history that suggest this.
Finally, the second tumor is not a late complication of chemotherapy. While previous cancer treatment could potentially increase the risk of developing lung cancer, smoking is still the most likely cause in this case.
In conclusion, exposure to tobacco smoke is the most likely cause of both bladder and lung cancer in this individual. It is important to identify the possible causes of multiple cancers in an individual to ensure appropriate treatment and management.
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This question is part of the following fields:
- Haematology/Oncology
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Question 7
Incorrect
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A 49-year-old school teacher presents with abdominal fullness and weight loss over the last six months. On examination, he is pale.
Investigations reveal the following:
Investigation Result Normal range
Haemoglobin (Hb) 102 g/l 135–175 g/l
White cell count (WCC) 68.2 × 109/l 4.0–11.0 × 109/l
Neutrophil count 39.1 × 109/l 2.2–8.6 ×109/l
Lymphocyte count 4.8 × 109/l 0.8–3.5 × 109/l
Platelets (PLT) 505 × 109/l 150–400 × 109/l
Erythrocyte sedimentation rate (ESR) 56 mm/hour 1–20 mm/hour
His peripheral blood picture is shown here:
Picture courtesy: Dr R Paul, MCH, Kolkata
What is the next most definitive step in diagnosis?Your Answer: Bone marrow study
Correct Answer: Genotype study
Explanation:Diagnostic Approaches for Chronic Myeloid Leukaemia
Chronic myeloid leukaemia (CML) is a type of blood cancer that can be diagnosed through various diagnostic approaches. A patient with elevated total leukocyte and neutrophil counts, mild anaemia, and an elevated platelet count, along with numerous myeloid line cells in different stages of differentiation, is likely to have CML. However, to confirm the diagnosis, a genotype study is necessary to demonstrate the cytogenetic hallmark of t(9:22). This can be done through molecular methods like fluorescence in situ hybridisation or cytogenetic analysis.
A bone marrow study can also be performed, which will show a greatly increased myeloid: erythroid ratio, but it will not help in confirming the diagnosis. Similarly, a low leukocyte alkaline phosphatase (LAP) score can differentiate from a leukemoid reaction but cannot confirm the diagnosis. Immunophenotyping can show cells of myeloid lineage but cannot provide a definitive diagnosis.
Iron kinetics studies are not necessary in this case as the increased total leukocyte count and peripheral smear picture suggest a chronic myeloproliferative state rather than iron deficiency. In conclusion, a genotype study is the most appropriate next step to confirm the diagnosis of CML.
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This question is part of the following fields:
- Haematology/Oncology
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Question 8
Correct
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A 36-year-old woman comes to the clinic with a lump in her left breast. She has recently lost approximately 1.5 stone in weight by attending a weight loss program. During the examination, a firm lump is detected in her left breast that is not mobile but not attached to the underlying muscle. She recalls being hit by a squash ball in this area a few months ago. What is the probable reason for her lump?
Your Answer: Fat necrosis
Explanation:When a woman presents with a breast lump, fat necrosis should be considered as a possible diagnosis if there is a history of trauma to the area. This condition typically presents as a firm lump that may be accompanied by bruising. Fibroadenomas, on the other hand, are more commonly seen in younger women and present as a mobile but firm lump that can be easily moved during examination. Breast cysts are fluid-filled masses that may be detected if they are large enough and can fluctuate or transilluminate. Breast abscesses are typically seen in breastfeeding women and present as a hot, tender swelling. While breast cancer is unlikely based on the clinical history, all women with a breast lump should be referred to a specialist for confirmation of diagnosis through triple assessment. It is important to note that intentional weight loss, as in this case, should not be considered a factor in the diagnosis.
Understanding Fat Necrosis of the Breast
Fat necrosis of the breast is a condition that affects up to 40% of cases and is often caused by trauma. This condition can be mistaken for breast cancer due to its physical features, such as a mass that may initially increase in size. It is important to understand that fat necrosis is not cancerous and can be treated with proper care.
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This question is part of the following fields:
- Haematology/Oncology
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Question 9
Incorrect
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A 62-year-old businessman presents with bilateral leg weakness that has suddenly become worse over the last 12 hours. Some 10 months ago he had a lobar resection for a stage II squamous cell carcinoma, followed by radiotherapy and adjuvant chemotherapy. On examination there is reduced power and altered sensation in both legs.
Which of the following is the most likely cause of the current problem?Your Answer: Paraneoplastic myelopathy
Correct Answer: Spinal cord compression as a result of vertebral metastases
Explanation:Differential diagnosis of spinal cord-related symptoms in cancer patients
Spinal cord-related symptoms can be a medical emergency in cancer patients, requiring prompt diagnosis and treatment. Several conditions can cause similar symptoms, including spinal cord compression, spinal tuberculosis, peripheral neuropathy secondary to carcinomatosis, paraneoplastic myelopathy, and secondary spinal tumor deposit.
Spinal cord compression is a common complication of metastatic cancer, especially from breast, bronchus, prostate, multiple myeloma, and high-grade non-Hodgkin’s lymphoma. The classic triad of symptoms includes bilateral leg weakness, sensory loss, and bladder/bowel dysfunction, but back pain may be absent or delayed. Imaging studies, such as plain radiographs and MRI, are essential for diagnosis, and treatment options include steroids, neurosurgery, and radiotherapy.
Spinal tuberculosis is a rare but serious infection that can affect the spine and cause bone or joint pain, back pain, or swelling. It usually requires a combination of antibiotics and surgery to cure.
Peripheral neuropathy secondary to carcinomatosis is a gradual and often mild onset of nerve damage caused by cancer cells or cancer treatments. It can present with various sensory, motor, or autonomic symptoms, depending on the location and extent of nerve involvement.
Paraneoplastic myelopathy is a rare but potentially severe neurological disorder that can occur in some cancer patients, especially those with small-cell or squamous cell lung cancer. It is caused by an abnormal immune response to cancer cells, leading to inflammation and damage to the spinal cord.
Secondary spinal tumor deposit is a less common cause of spinal cord-related symptoms than spinal cord compression, but it can also occur in cancer patients with metastatic disease. It may present with similar symptoms and require similar diagnostic and therapeutic approaches.
In summary, cancer patients with spinal cord-related symptoms should undergo a thorough evaluation to determine the underlying cause and appropriate management. Early recognition and treatment can improve outcomes and quality of life.
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This question is part of the following fields:
- Haematology/Oncology
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Question 10
Correct
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A 25-year-old man presents to his doctor with a complaint of a lump in his testicle. During the examination, the lump disappears when he lies down. The scrotum shows dilated veins, while the abdominal examination is unremarkable. He expresses concern about his inability to conceive despite trying. What is the most probable diagnosis?
Your Answer: Varicocoele
Explanation:Common Causes of Testicular Lumps: Varicocele, Epididymitis, Hydrocele, Inguinal Hernia, and Testicular Teratoma
Testicular lumps can be a cause for concern and require medical attention. Here are some common causes of testicular lumps:
Varicocele: This is a painless swelling of the testes on the left side, which can be described as a bag of worms within the spermatic cord above the testis. It tends to occur in those aged 12+ years and is rare in pre-pubertal boys. Varicoceles are associated with male infertility, and a quarter of men with abnormal semen parameters will have a varicocele.
Epididymitis: This is inflammation of the testis and epididymis caused by infection such as chlamydia infection, gonorrhoea, mumps, bacterial coliforms or syphilis. It may present as acute testicular pain, swelling and tenderness, and associated symptoms include urethritis, increased urinary frequency and dysuria. Systemic symptoms may include fever and rigors.
Hydrocele: This is a non-tender, painless, cystic scrotal swelling below and anterior to the testes. It will normally transilluminate and does not tend to reduce on lying flat. Although hydroceles can fluctuate in size and are affected by movement, they are not usually a cause for concern.
Inguinal hernia: This is a condition where a part of the intestine or other tissue protrudes through a weak spot in the abdominal muscles, causing a lump in the groin or scrotum. If reducible, the lump may disappear on lying flat.
Testicular teratoma: This is a solid testicular lump within the testis, which is suggestive of a tumour. Testicular cancers can be subdivided into seminomas, teratomas and yolk-sac tumours. Over 95% of testicular cancers arise from the germ cells. Teratomas typically present at age 20–30 years, whereas seminomas typically present at age 35–45 years.
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This question is part of the following fields:
- Haematology/Oncology
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