MRCP PACES Station 5: Mastering Haematology Consultation Cases

Why Haematology Cases Strike Fear in PACES Candidates

If you ask any MRCP PACES candidate which Station 5 scenarios keep them awake at night, haematology consultations consistently rank near the top. The reasons are understandable — haematology patients often present with multi-layered clinical problems that demand not only a solid grasp of disease mechanisms but also exceptional communication skills. You may need to discuss a new leukaemia diagnosis, counsel a patient on starting chemotherapy, or navigate a complex anticoagulation decision — all within ten minutes.

This guide will walk you through the most frequently tested haematology scenarios in Station 5, provide a structured consultation framework, and highlight the clinical pearls that examiners expect from a competent registrar-level candidate.

Understanding Station 5 Structure for Haematology

Station 5 consists of two 10-minute integrated clinical assessments, each followed by 2 minutes of examiner discussion. Unlike the purely examination-based stations (1, 3, and 4), Station 5 tests your ability to combine clinical assessment with a tailored consultation.

For haematology cases, you will typically encounter:

1. A brief clinical consultation — e.g., discussing a new diagnosis or management plan

2. A focused clinical assessment — e.g., examining a patient with splenomegaly or lymphadenopathy

The examiner will provide a brief vignette before you enter, and you will be expected to elicit key clinical findings, formulate a differential diagnosis, and communicate a clear management plan to the patient.

High-Yield Haematology Scenarios for Station 5

1. Newly Diagnosed Multiple Myeloma

This is a classic Station 5 case. A patient (often elderly) presents with bone pain, recurrent infections, or renal impairment, and recent bloods show anaemia with elevated ESR and a paraprotein band on serum electrophoresis.

What the examiners want to see:

• Recognition of CRAB criteria (Hypercalaemia, Renal impairment, Anaemia, Bone lesions)

• Clear explanation of what myeloma is — in patient-friendly language

• Discussion of prognosis honestly but with empathy

• Awareness of treatment options — bisphosphonates, bortezomib-based regimens, autologous stem cell transplant for eligible patients

• Referral to haematology MDT

Clinical Pearl: Mention the revised International Staging System (R-ISS) when discussing prognosis. Examiners love candidates who can stratify risk appropriately. Also, remember to check serum free light chains and perform a bone marrow biopsy for confirmation.

2. Chronic Lymphocytic Leukaemia (CLL)

A patient with incidentally found lymphocytosis on a routine FBC, or with progressive fatigue, weight loss, and lymphadenopathy.

Key discussion points:

• Explanation that CLL is often indolent — many patients never need treatment ("watch and wait")

• Binet or Rai staging to guide treatment timing

• Indications for treatment — progressive symptoms, significant cytopenias, bulky disease

• TP53 mutation status and IGHV mutation status — these guide first-line therapy choices

• Targeted therapies — ibrutinib, venetoclax, obinutuzumab

Clinical Pearl: The concept of "watch and wait" can be deeply unsettling for patients. Examiners will assess your ability to reassure the patient while maintaining honesty about the diagnosis. Practise this conversation.

3. Iron Deficiency Anaemia — Investigating the Cause

A middle-aged or elderly patient with fatigue and microcytic anaemia. The consultation focuses on investigation pathway and patient explanation.

Essential elements to cover:

• Coeliac disease serology and faecal immunochemical test (FIT)

• Referral for upper and lower GI endoscopy (OGD and colonoscopy) in appropriate age groups

• Iron replacement therapy — oral ferrous sulfate first-line, discussing common side effects

• When to consider IV iron — intolerance, malabsorption, or severe anaemia with symptoms

• Red flags — weight loss, change in bowel habit, dysphagia that necessitate urgent 2-week-wait referral

Clinical Pearl: NICE guidelines (NG12) recommend urgent upper GI endoscopy for patients aged ≥55 with treatment-resistant anaemia. For patients aged ≥50 with unexplained iron deficiency anaemia, consider urgent lower GI referral.

4. Anticoagulation Decisions — Warfarin vs DOACs

A patient with new-onset AF or a recent VTE, where you must discuss anticoagulation options.

Examiner expectations:

• Stroke risk assessment — CHA₂DS₂-VASc score

• Bleeding risk assessment — HAS-BLED or ORBIT score

• Clear comparison of warfarin vs DOAC — monitoring, reversibility, dietary interactions, cost

• Shared decision-making — involving the patient in the choice

• Safety netting — signs of bleeding, when to seek help

Clinical Pearl: For patients with mechanical heart valves or moderate-to-severe mitral stenosis, DOACs are contraindicated — warfarin remains the only option. Know the target INR ranges for different indications.

5. Immune Thrombocytopenia (ITP)

A patient presenting with easy bruising, petechiae, or mucosal bleeding, with isolated thrombocytopenia on bloods.

Consultation priorities:

• Exclude secondary causes — HIV, Hepatitis B/C, H. pylori, autoimmune conditions, drug-induced

• Explanation of ITP as a diagnosis of exclusion

• Treatment thresholds — platelet count <30 × 10⁹/L or bleeding symptoms

• First-line treatment — corticosteroids (short course)

• Second-line options — IV immunoglobulin (for rapid response), thrombopoietin receptor agonists, rituximab, splenectomy

• Safety advice — avoid NSAIDs, contact sports; recognise signs of intracranial haemorrhage

Clinical Pearl: Always examine a peripheral blood film to rule out platelet clumping (pseudothrombocytopenia) before diagnosing ITP. This is a simple but critical step that demonstrates safe clinical practice.

A Structured Framework for Haematology Consultations

Use the following approach to keep your consultation organised and examiner-friendly:

Step 1: Establish the Context (30 seconds)

• Read the vignette carefully

• Introduce yourself, confirm the patient's identity

• Establish what the patient already knows about their condition

Step 2: Focused Clinical Assessment (2–3 minutes)

• Take a targeted history — symptoms, comorbidities, medications, family history

• Perform a focused examination — lymph nodes, abdomen (splenomegaly/hepatomegaly), skin (bruising, petechiae)

• Use this information to build your differential

Step 3: Explanation and Discussion (4–5 minutes)

• Chunk and check — explain in small segments, check understanding

• Use patient-friendly language — avoid jargon

• Discuss the diagnosis or differential honestly

• Outline the management plan clearly

• Invite questions throughout

Step 4: Summary and Safety Netting (1–2 minutes)

• Summarise key points

• Provide written information if available

• Arrange follow-up and give clear safety-netting advice

• Thank the patient

Step 5: Examiner Discussion

• Present your findings concisely

• Give a clear problem list and differential diagnosis

• Outline your investigation and management plan

• Be prepared to justify your decisions

Communication Tips That Score Marks

The examiners in Station 5 are assessing not only your clinical knowledge but also your ability to communicate at a registrar level. Here are key strategies:

Common Pitfalls and How to Avoid Them

Pitfall 1: Failing to Establish What the Patient Knows

Problem: You launch into a detailed explanation without checking what the patient has already been told.

Solution: Always start with: "Before we begin, can you tell me what you understand about your condition so far?" This sets the baseline for your explanation.

Pitfall 2: Overloading With Information

Problem: You try to cover every detail of the disease, treatment, and prognosis in 10 minutes.

Solution: Prioritise. Focus on the most important points first — diagnosis, immediate plan, and follow-up. You can mention further details during the examiner discussion.

Pitfall 3: Poor Time Management

Problem: You spend too long on history-taking and rush the explanation.

Solution: Practise with a timer. Allocate your time: 2–3 minutes history, 4–5 minutes discussion, 1–2 minutes summary and safety netting.

Pitfall 4: Not Discussing Prognosis Honestly

Problem: You avoid discussing prognosis for fear of causing distress.

Solution: Examiners want to see honest, compassionate communication. If the patient asks about prognosis, acknowledge the uncertainty but provide a realistic range. You can say: "Every patient is different, but we can talk about what we expect based on current evidence."

Pitfall 5: Forgetting the Basics

Problem: You focus on advanced treatment options but forget simple measures like analgesia or VTE prophylaxis.

Solution: Always mention supportive care alongside disease-specific treatment. For a myeloma patient with bone pain, don't forget analgesia, bisphosphonates, and VTE risk assessment.

Key Guidelines and References to Know

Examiners expect you to be familiar with current guidelines. Here are the essential references for haematology cases:

Haematological Malignancies

• British Society for Haematology (BSH) guidelines on diagnosis and management of multiple myeloma, CLL, and acute leukaemia

• NICE NG52 — Myeloma: diagnosis and management

• NICE TA publications on novel agents (bortezomib, lenalidomide, daratumumab)

Anticoagulation

• NICE NG196 — Atrial fibrillation: diagnosis and management (2021)

• NICE NG158 — Venous thromboembolic diseases: diagnosis, management and thrombophilia testing

• BSH guidelines on oral anticoagulation with DOACs

Anaemia

• NICE NG12 — Suspected cancer: recognition and referral

• British Society of Gastroenterology guidelines on iron deficiency anaemia (2021)

• NICE CG114 — Coeliac disease: recognition, assessment and management

ITP

• BSH guidelines on the management of ITP in adults (2016, updated)

• International Working Group (IWG) criteria for ITP diagnosis and response

Practice Scenarios for Self-Assessment

Try working through these scenarios with a study partner or AI patient simulation:

1. A 68-year-old man with fatigue, weight loss, and back pain. FBC shows Hb 92 g/L, ESR 110 mm/hr. Discuss the likely diagnosis and initial management.

2. A 45-year-old woman with menorrhagia presents with Hb 78 g/L, MCV 72 fL. Outline your investigation and management approach.

3. A 75-year-old man with newly diagnosed AF (CHA₂DS₂-VASc = 3). He is concerned about "blood thinners." Discuss his options.

4. A 32-year-old woman presents with petechial rash and platelet count of 18 × 10⁹/L. Discuss the diagnosis and immediate management.

5. A 60-year-old man with CLL (Binet Stage A) asks: "Do I need treatment now, doctor?" Discuss the watch-and-wait approach.

Final Thoughts

Haematology cases in MRCP PACES Station 5 reward candidates who can synthesise clinical knowledge with effective communication. The key is preparation — know your common scenarios, practise your consultation structure, and develop the ability to discuss complex diagnoses with empathy and clarity.

Remember: you are being assessed as a future registrar, not a medical student. The examiners want to see that you can manage these patients safely and independently, with appropriate escalation and referral pathways.

Focus on:

• ✅ Structured, time-managed consultations

• ✅ Patient-centred communication

• ✅ Evidence-based management plans

• ✅ Honest, empathetic discussions of diagnosis and prognosis

With deliberate practice and a clear framework, haematology consultations can become one of your strongest areas in Station 5.

Good luck with your PACES preparation. Every consultation you practise brings you one step closer to passing with confidence.