Iraqi Board Neurosurgery common mistakes
Iraqi Board Neurosurgery · Understand the traps and how to avoid them.
When asked to localise a lesion, jumping straight to a diagnosis (e.g. 'Bell's palsy') instead of first working through the anatomical pathway step by step and stating which segment is involved and why the pattern of spared and affected function fits that level.
Candidates memorise disease labels and pattern-match the vignette's headline symptom, skipping the pathway reasoning that the question is actually testing; under time pressure the label feels faster and safer than a structured localisation.
What to do instead
Before choosing any diagnosis, write one line naming the level (e.g. 'lesion of the facial canal proximal to the chorda tympani but distal to the geniculate ganglion') and one line listing the findings that exclude the adjacent levels. If the label and the localisation disagree, trust the localisation and re-read the stem.
Reading an imaging description in a stem or interpreting a study as if it were definitive, without asking whether the sequence, timing, or modality actually answers the clinical question (e.g. a non-contrast CT done 2 hours after subarachnoid haemorrhage, or a T2 sequence used to judge a skull base tumour's dural involvement).
Candidates treat 'CT normal' or 'MRI shows a lesion' as a binary result and forget that sensitivity depends on time since ictus, sequence weighting, slice thickness, and whether contrast was given; this is especially tempting when the stem supplies a reassuring scan.
What to do instead
For every imaging option, state silently what the modality is good at and its known blind spot, then check the stem's timing and contrast details against that. Practise a fixed checklist: modality, timing, contrast, and the specific structure that must be seen to answer the question.
Managing a head-injured patient by treating the CT finding rather than the physiology: ordering repeat imaging or accepting a stable scan while the patient's GCS is falling, pupils are changing, or ICP trends are rising, instead of escalating treatment and considering surgical decompression.
The scan feels objective and reportable, whereas physiological trends require assembling numbers over time; candidates also fear acting without radiological confirmation, so they wait for the next scan.
What to do instead
Anchor every neurotrauma answer on the primary survey and a trend statement (GCS, pupils, ICP, CPP, MAP) before mentioning imaging. If the trend is deteriorating, the correct option is almost always an intervention, not another scan; remember that a deteriorating patient with a mass lesion can be taken to theatre on clinical grounds.
Describing tumour management as a single decision ('resect' or 'biopsy') without linking the plan to the patient's age and performance status, the tumour's location and eloquence, the expected histology, and the adjuvant therapy that follows.
Candidates study tumours as pathology lists and forget that the exam tests multidisciplinary sequencing; the surgical option is chosen because it is the most familiar, not because it is the best next step for that patient.
What to do instead
For each oncology stem, answer three questions in order: what does the imaging suggest histologically, what does the patient's condition permit, and what is the next step that changes management. Then state the adjuvant plan (radiotherapy dose intent, chemotherapy agent, surveillance interval) so the answer covers the whole pathway.
Choosing between clipping and coiling, or between evacuation and observation, on the basis of the aneurysm or haematoma alone while ignoring the patient's grade, age, comorbidity, and the team's and lesion's anatomical suitability.
Vascular questions are taught as lesion-classification exercises (size, neck, location), so candidates apply a rule about the lesion rather than reasoning about the individual patient; randomised-trial headlines are also recalled without their inclusion criteria.
What to do instead
State the patient's clinical grade and the anatomical features separately, then say explicitly which factor drives the decision in this case. When a stem gives a poor-grade elderly patient or an unfavourable neck-to-dome ratio, that detail is there to change the answer; practise justifying a choice with two patient factors and one lesion factor.
Treating back pain and radiculopathy as one condition, or answering a spinal question with a diagnosis without first establishing whether there is a red flag (progressive deficit, cauda equina features, fever, night pain, sphincter change, trauma) that overrides conservative management.
Degenerative spine is the most familiar domain, so candidates relax and answer from pattern recognition; red-flag screening is a routine they skip because the vignette 'sounds like' a disc.
What to do instead
Run a fixed red-flag screen on every spine stem and state the result before the diagnosis. If any red flag is present, the answer is urgent investigation or decompression, not analgesia and review; if none is present, justify conservative care with a specific review interval and escalation criteria.
Answering an epilepsy or movement disorder question by naming the operation (e.g. anterior temporal lobectomy, subthalamic nucleus stimulation) without confirming the prerequisite workup: drug-resistant status, concordant semiology and imaging, video-EEG findings, neuropsychological assessment, and target selection.
Functional cases are memorable as procedures, and candidates learn the operation before the selection criteria; the workup steps feel like background rather than the tested content.
What to do instead
For every functional stem, list the selection criteria that must be satisfied and check the stem against them one by one. If a criterion is missing or discordant, the correct next step is usually further investigation or a different target, not the operation; rehearse the difference between palliative and curative intent.
Managing paediatric hydrocephalus as if it were adult hydrocephalus: ignoring age-specific aetiology, suture status, head circumference trends, shunt versus endoscopic third ventriculostomy selection, and the different tolerance for raised pressure in an infant with open sutures.
Adult patterns are learned first and rehearsed most, and paediatric presentations are subtler (irritability, feeding, sunsetting) so candidates map them onto the adult template rather than reasoning from the infant's anatomy.
What to do instead
For any patient under two years, start the answer with suture status and head circumference trend before imaging. Justify the CSF diversion choice with age, aetiology, and ventricular anatomy, and state the surveillance plan (measurement frequency, imaging timing) that would detect failure.
Answering hydrocephalus and CSF questions with a shunt as the default, without distinguishing communicating from non-communicating hydrocephalus, calculating or interpreting opening pressure, or considering the alternatives (endoscopic third ventriculostomy, external drainage, pressure-setting changes).
Shunt surgery is the most frequently encountered procedure, so it becomes the reflexive answer; the diagnostic step that determines whether a shunt is even appropriate is treated as a formality.
What to do instead
Before selecting any diversion, state whether the ventricles communicate with the subarachnoid space, what the opening pressure is, and what the expected absorption is. Then choose the diversion that matches, and specify how you would assess it for over- or under-drainage at follow-up.
Handling neurocritical care and perioperative questions by listing a drug or a monitor rather than a target and a trigger: giving mannitol or hypertonic saline without stating the osmolarity or sodium target, treating seizures without addressing the underlying cause, or failing to state when to intubate, when to repeat imaging, and when to call the family.
Critical care content is learned as protocols to be recognised rather than as numbers to be applied, and candidates avoid committing to thresholds in case they are wrong; vague answers feel safer but score lower.
What to do instead
Commit to numbers in every critical care answer: a CPP target, a sodium or osmolarity ceiling, a seizure duration that mandates treatment, a GCS or pupil change that mandates intubation. Pair each number with the action it triggers, and state the monitoring and reassessment interval that would confirm or refute your plan.