XRAY SCENARIOS. Lisa Gow February 2012
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- Jemima Merryl Fisher
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1 XRAY SCENARIOS Lisa Gow February 2012
2 Welcome to this series of chest radiograph scenarios. Each of these scenarios is based upon a real patient, using their notes and their chest x-rays to test your knowledge. Each scenario focuses on the major, stand-out abnormality on the x-ray. There is a range of difficulty within this set of scenarios. How difficult you find them may depend on your experience so far. If you are finding some of them difficult, keep going as there will certainly be others that will be much easier. There are answers for each x-ray so even if you didn t find the abnormality yourself, it will be marked out on the answers slide and will help you spot it in the future. BIG HINT: the key to spotting some of these abnormalities is to SYSTEMATICALLY ASSESS the x-rays. Not every abnormality is within the lung fields. (There is a guide to assessing chest x-rays on the website that may be useful)
3 PATIENT 1 45 year old male Right sided chest pain Chest x-ray done as part of the work up...
4 WHAT IS THE MAJOR ANOMALY ON THIS CHEST X-RAY
5 What does the x-ray show? Pneumonia Dextracardia Pneumothorax Right sided mass
6 What does the x-ray show? X Pneumonia Dextrocardia X Pneumothorax X Right sided mass
7 WHAT IS THE MAJOR ANOMALY ON THIS CHEST X-RAY
8 PATIENT 2 32 year old male Well New entrant to UK Mantoux screening test on entrance: 12mm
9 What is the cut-off for a positive Mantoux test? Induration 6mm or greater Induration 15mm or greater Induration <6mm No reaction
10 What is the cut-off for a positive Mantoux test? Induration 6mm or greater X Induration 15mm or greater X Induration <6mm X No reaction
11 What does the patient s result of 12mm indicate? Suggests tuberculosis infection or disease No significant hypersensitivity to tuberculin Possible previous exposure to TB or BCG
12 What does the patient s result indicate? X Suggests tuberculosis infection or disease X No significant hypersensitivity to tuberculin Possible previous exposure to TB or BCG
13 The Green Book, Department of Health
14 The patient was referred for a CXR as part of the new immigrant screening program.
15 Normal or abnormal?
16
17 REPORT: Infiltration seen in the right upper lobe Underlying tuberculosis is possible Advice: chest clinic referral
18 1 year later... Patient presented with: Cough Fever (temperature 38 o C) SOB Weight loss On examination: Cervical lymphadenopathy Bloods: WCC 9.3 CRP 64.9 Sodium 126 CHEST X-RAY REPEATED
19
20 What does the x-ray show? Pulmonary oedema Primary lung cancer Metastatic lung cancer TB Fibrosis Pneumonia
21 What is the appropriate treatment? Chemotherapy Radiotherapy Piperacillin and gentamicin Isoniazid, rifampicin, pyrazinamine and ethambutol Furosemide
22 What does the x-ray show? X Pulmonary oedema X Primary lung cancer X Metastatic lung cancer TB X Fibrosis X Pneumonia
23 What is the appropriate treatment? X Chemotherapy X Radiotherapy X Piperacillin and gentamicin Isoniazid, rifampicin, pyrazinamine and ethambutol X Furosemide
24
25 What treatment should be offered to the patient s wife? She is asymptomatic and had a 12mm Mantoux No treatment Penicillin Isoniazid 300mg OD 6 months Isoniazid, rifampicin, pyrazinamine and ethambutol Paracetamol
26 What treatment should be offered to the patient s wife? She is asymptomatic and had a 12mm Mantoux X No treatment X Penicillin Isoniazid 300mg OD 6 months X Isoniazid, rifampicin, pyrazinamine and ethambutol X Paracetamol
27 Patient s x-ray two months later:
28 Six months later:
29 Asymptommatic Mantoux 12mm 1 year later Symptomatic 2 months treatment 6 months treatment
30 PATIENT 3 42 year old female Presented to A&E Severe left sided chest pain Fell 2m from a ladder Chest x-ray taken...
31 WHAT DOES THIS CHEST X-RAY SHOW
32 What does the x-ray show? Select all that apply Tension pneumothorax Pneumonia Fractured ribs on the right Fractured ribs on the left Haemothorax on the right Haemothorax on the left
33 What does the x-ray show? Select all that apply X Tension pneumothorax X Pneumonia X Fractured ribs on the right Fractured ribs on the left X Haemothorax on the right Haemothorax on the left
34 WHAT DOES THIS CHEST X-RAY SHOW Fractured ribs Left costophrenic angle obscured Differential includes: pleural effusion, haemothorax. Haemothorax most likely given history.
35 PATIENT 4 28 year old male One week history of flu-like symptoms and severe cough Presents with difficulty of breathing and shortness of breath Severe right sided chest pain Chest x-ray taken...
36 WHAT IS THE MAJOR ABNORMALITY ON THIS CHEST X-RAY?
37 What does the x-ray show? Foreign body on the right Foreign body on the left Pneumothorax on the right Pneumothorax on the left Fractured ribs on the right Fractured ribs on the left
38 What does the x-ray show? X Foreign body on the right X Foreign body on the left Pneumothorax on the right X Pneumothorax on the left X Fractured ribs on the right X Fractured ribs on the left
39 WHAT IS THE MAJOR ABNORMALITY ON THIS CHEST X-RAY?
40 WHAT KIND OF PNEUMOTHORAX IS THIS? Tension pneumothorax Simple pneumothorax
41 WHAT KIND OF PNEUMOTHORAX IS THIS? X Tension pneumothorax Simple pneumothorax In this case this is likely to be secondary to the patient s cough.
42 TREATMENT A chest drain was inserted and 900ml air was drained from the right chest. A chest x-ray was taken following drainage to assess response...
43 HAS THE PNEUMOTHORAX COMPLETELY RESOLVED?
44 HAS THE PNEUMOTHORAX COMPLETELY RESOLVED FOLLOWING DRAINAGED? Yes No
45 HAS THE PNEUMOTHORAX COMPLETELY RESOLVED FOLLOWING DRAINAGED? X Yes No No, although the pneumothorax has improved and now measures 1.8cm
46 HAS THE PNEUMOTHORAX RESOLVED?
47 What sign on the chest x-ray would indicate a tension pneumothorax Mediastinal shift Air under the diaphragm Loss of the costophrenic angle Air in the mediastinum
48 What sign on the chest x-ray would indicate a tension pneumothorax Mediastinal shift X Air under the diaphragm X Loss of the costophrenic angle X Air in the mediastinum
49 WHAT IS THE EMERGENCY TREATMENT OF A TENSION PNEUMOTHORAX Needle thoracostomy in the 2 nd intercostal space, mid-clavicular line Needle thoracostomy in the 2 nd intercostal space, mid-axillary line Needle thoracostomy in the 5 th intercostal space, mid-clavicular line Chest drain insertion Midline sternotomy Adrenaline IV
50 WHAT IS THE EMERGENCY TREATMENT OF A TENSION PNEUMOTHORAX Needle thoracostomy in the 2 nd intercostal space, mid-clavicular line X Needle thoracostomy in the 2 nd intercostal space, mid-axillary line X Needle thoracostomy in the 5 th intercostal space, mid-clavicular line X Chest drain insertion X Midline sternotomy X Adrenaline IV Emergency decompression of the chest is carried out by insertion of a 14G or 16G needle, attached to a syringe part filled with saline into the 2 nd intercostal space in the mid-clavicular line. A rush of air may be heard.
51 WHAT IS THE DEFINITIVE TREATMENT OF A TENSION PNEUMOTHORAX Needle thoracostomy in the 2 nd intercostal space, mid-clavicular line Needle thoracostomy in the 5 th intercostal space, mid-clavicular line Chest drain insertion Midline sternotomy Adrenaline IV
52 WHAT IS THE DEFINITIVE TREATMENT OF A TENSION PNEUMOTHORAX X Needle thoracostomy in the 2 nd intercostal space, mid-clavicular line X Needle thoracostomy in the 5 th intercostal space, mid-clavicular line Chest drain insertion X Midline sternotomy X Adrenaline IV Emergency decompression of the chest by needle thoracostomy converts a tension pneumothorax to a simple pneumothorax. This is a short term measure.
53 PATIENT 5 64 year old female Admitted following a fall Chest x-ray taken... Systematically assess this x-ray
54 WHAT IS THE MAJOR ABNORMALITY ON THIS CHEST X-RAY?
55 What does the x-ray show? What does the x-ray show? Select all that apply Anterior dislocation of right humerus Posterior dislocation of right humerus Anterior dislocation of left humerus Posterior dislocation of left humerus Fractured ribs on the left Fractured ribs on the right
56 What does the x-ray show? What does the x-ray show? Select all that apply Anterior dislocation of right humerus X Posterior dislocation of right humerus X Anterior dislocation of left humerus X Posterior dislocation of left humerus X Fractured ribs on the left X Fractured ribs on the right
57 WHAT IS THE MAJOR ABNORMALITY ON THIS CHEST X-RAY?
58 What presentation may indicate a common complication of this injury? Loss of sensation over 5 th finger and medial 4 th finger. Weakness of flexion of 4 th and 5 th fingers. Loss of sensation over deltoid muscle and weakness of arm abduction Loss of sensation over the first 3 fingers and lateral 4 th finger. Weakness of abduction of the thumb.
59 What presentation may indicate a common complication of this injury? X Loss of sensation over 5 th finger and medial 4 th finger. Weakness of flexion of 4 th and 5 th fingers. Loss of sensation over deltoid muscle and weakness of arm abduction X Loss of sensation over the first 3 fingers and lateral 4 th finger. Weakness of abduction of the thumb. Axillary nerve injury occurs in around 3 per cent of dislocations of the humerus
60 PATIENT 6 INITIAL PRESENTATION GP referral 60 year old female Smoker 40 pack years 1 month history of cough and malaise 1 stone weight loss over past 3 months Clubbing The patient was investigated, diagnosed and treatment undertaken. Following treatment, a routine CXR was taken...
61 WHAT IS THE MAJOR ABNORMALITY ON THIS CHEST X-RAY TAKEN AFTER TREATMENT
62 WHAT IS THE MAJOR ABNORMALITY ON THIS CHEST X-RAY? Abdominal perforation Fractured ribs Tracheal deviation Cardiomegaly Dextrocardia
63 WHAT IS THE MAJOR ABNORMALITY ON THIS CHEST X-RAY? X Abdominal perforation X Fractured ribs Tracheal deviation X Cardiomegaly X Dextrocardia
64
65 What is the most likely cause of this patient s post-treatment tracheal deviation in view of the history? Pleural effusion Collapse Fibrosis Pneumothorax Retrosternal goitre Lobe resection
66 What is the most likely cause of this patient s post-treatment tracheal deviation in view of the history? X Pleural effusion X Collapse X Fibrosis X Pneumothorax X Retrosternal goitre Lobe resection This patient had a diagnosis of lung cancer and has had a lobe resection
67 PATIENT 7 24 year old female Well Chest x-ray for occupational health check Systematically assess this x-ray
68
69 Is there an abnormality? No abnormality Abnormality within the lung fields Mediastinal abnormality Soft tissue abnormality Bony abnormality
70 Is there an abnormality? X No abnormality X Abnormality within the lung fields X Mediastinal abnormality X Soft tissue abnormality Bony abnormality
71
72 CERVICAL RIBS Congenital abnormality 1 in 500 population Arise from 7 th cervical vertebra Potential complication: thoracic outlet obstruction. Compression of subclavian artery/ branches of brachial plexus.
73 PATIENT 8 39 year old male Retrosternal chest pain No radiation Worse on bending, stooping and lying down Worse with hot drinks or alcohol Relieved by antacids Chest x-ray carried out as part of work-up...
74 WHAT IS THE MAJOR ABNORMALITY ON THIS CHEST X-RAY?
75 WHAT IS THE DIAGNOSIS BASED ON THE HISTORY AND CHEST X-RAY? Pericarditis Cardiac tamponade Large hiatus hernia Aortic aneurysm
76 WHAT IS THE DIAGNOSIS BASED ON THE HISTORY AND CHEST X-RAY? X Pericarditis X Cardiac tamponade Large hiatus hernia X Aortic aneurysm
77 Gastric bubble Fluid level
78 PATIENT 9 59 year old female Assessed in A&E following a road traffic accident Chest x-ray taken... Systematically assess this x-ray
79 WHAT IS THE MAJOR ABNORMALITY ON THIS CHEST X-RAY?
80 What does the x-ray show? Select all that apply Dislocation of the right humerus Dislocation of the left humerus Fracture of the right clavicle Fracture of the left clavicle Haemothorax on the left Haemothorax on the right Tension pneumothorax Foreign bodies within the chest cavity
81 What does the x-ray show? Select all that apply X Dislocation of the right humerus X Dislocation of the left humerus Fracture of the right clavicle X Fracture of the left clavicle X Haemothorax on the left X Haemothorax on the right X Tension pneumothorax
82 WHAT IS THE MAJOR ABNORMALITY ON THIS CHEST X-RAY?
83 WHAT ARE THESE?
84 WHAT ARE THESE? Internal foreign bodies within the thorax External foreign objects
85 WHAT ARE THESE? X Internal foreign bodies within the thorax External foreign objects ECG CLIPS!
86 PATIENT year old male Admitted with collapse On examination: right hemiparesis, expressive aphasia, up-going right plantar reflex. Swallow judged unsafe and nasogastric tube inserted PMHx: TB left lung Chest x-ray taken as part of the work up...
87 What are the major abnormalities on this x-ray?
88 WHAT DOES THIS CHEST X-RAY SHOW? Select all that apply Mediastinal shift to the left Mediastinal shift to the right Correctly placed NG-tube Incorrectly placed NG tube Rib fractures on the left Rib fractures on the right
89 WHAT DOES THIS CHEST X-RAY SHOW? Select all that apply Mediastinal shift to the left X Mediastinal shift to the right X Correctly placed NG-tube Incorrectly placed NG tube X Rib fractures on the left X Rib fractures on the right
90 What are the major abnormalities on this x-ray? NG Tube misplaced into the lungs Mediastinal shift
91 WHAT IS THE MOST LIKELY CAUSE OF THIS PATIENT S MEDIASTINAL SHIFT? Tension pneumothorax Large pleural effusion Chronic fibrotic changes Mass Pneumonectomy
92 WHAT IS THE MOST LIKELY CAUSE OF THIS PATIENT S MEDIASTINAL SHIFT? X Tension pneumothorax X Large pleural effusion Chronic fibrotic changes X Mass X Pneumonectomy There is no evidence of any of the other options on this x-ray: lung markings are visible throughout the right lung field, there is no loss of the costophrenic angle on the right therefore there is no effusion or pneumothorax pushing the mediastinum away. Similarly, there is no mass visible on the x-ray and although the left lung volume is severely reduced, lung markings are still visible and there has not been a pneumonectomy. This gentleman has long-standing fibrotic changes in the left lung most likely secondary to old TB.
93 WHAT ARE THE LIKELY CONSEQUENCES IF FEED WAS PLACED INTO THE NG-TUBE IN IT S CURRENT POSITION Select all that apply None Death Pneumothorax Pulmonary haemorrhage Severe pneumonia Empyema
94 WHAT ARE THE LIKELY CONSEQUENCES IF FEED WAS PLACED INTO THE NG-TUBE IN IT S CURRENT POSITION Select all that apply X None Death Pneumothorax Pulmonary haemorrhage Severe pneumonia Empyema Naso or orogastric tubes placed in the respiratory tract rather than the gastrointestinal tract and not detected prior to commencing feeding or other use is listed as a Never Event by the National Patient Safety Agency (NSPA). Never Events are serious, largely preventable patient safety incidents. Misplaced NG-tubes can result in serious harm and/or death. Always confirm the location of the tube before use.
95 The incorrect placement of the NG-tube was recognised and the tube was removed. A new NG-tube was inserted and another chest x-ray taken...
96 Would you clear this NG-tube for use for feeding?
97 Yes No Would you use this NG-tube for feeding?
98 Yes X No Would you use this NG-tube for feeding? The tip of this NG-tube is clearly visible in the upper left quadrant of the abdomen. There is no danger that this is in the lungs. It is therefore safe to use.
99 PATIENT year old male Presented with increased shortness of breath 3 week history of cough productive of yellow sputum On examination: Reduced chest expansion on the right Dullness to percussion on the right Reduced vocal resonance on the right Decreased breath sounds at the right base A chest x-ray was taken...
100 WHAT IS THE MAJOR ABNORMALITY ON THIS X-RAY
101 WHAT DOES THE X-RAY SHOW Pleural effusion Mass Consolidation Pneumothorax Cardiomegaly Plus bonus points for the smaller abnormality on the left...
102 WHAT DOES THE X-RAY SHOW Pleural effusion X Mass X Consolidation X Pneumothorax X Cardiomegaly Plus bonus points for the smaller abnormality on the left... small band of atelectasis (collapse)
103 WHAT IS THE MAJOR ABNORMALITY ON THIS X-RAY Also visible is a small band of atelectasis Fluid meniscus
104 TREATMENT A chest drain was inserted and 3475ml was drained from the patient s chest A repeat chest x-ray was taken...
105 Q 1. WHAT DOES THE X-RAY SHOW Q 2. WHAT HOSPTIAL KIT IS VISIBLE ON THIS X-RAY
106 Q1. WHAT DOES THE CHEST X-RAY SHOW? SELECT ALL THAT APPLY Effusion completely resolved Small effusion on the right Consolidation Mass Pneumothorax
107 Q2. WHAT HOSPITAL KIT IS VISIBLE ON THE X-RAY? SELECT ALL THAT APPLY NG tube ET tube Chest drain (atypical location) Nasal cannula Pacemaker
108 Q1. WHAT DOES THE CHEST X-RAY SHOW? SELECT ALL THAT APPLY X Effusion completely resolved Small effusion on the right Consolidation X Mass X Pneumothorax
109 Q2. WHAT HOSPITAL KIT IS VISIBLE ON THE X-RAY? SELECT ALL THAT APPLY X NG tube X ET tube Chest drain (atypical location) Nasal cannula X Pacemaker
110 Q 1. WHAT DOES THE X-RAY SHOW Q 2. WHAT HOSPTIAL KIT IS VISIBLE ON THIS X-RAY NG Tube Chest drain Also visible is a small band of atelectasis Area of consolidation Loss of R costophrenic angle. Fluid meniscus.
111 WHAT IS THE LIKELY UNDERLYING CAUSE OF THE PATIENT S EFFUSION PUT THE X-RAY TOGETHER WITH THE HISTORY Pneumonia Lung cancer Trauma (haemothorax) Mesothelioma Meig s syndrome
112 WHAT IS THE LIKELY UNDERLYING CAUSE OF THE PATIENT S EFFUSION PUT THE X-RAY TOGETHER WITH THE HISTORY Pneumonia X Lung cancer X Trauma (haemothorax) X Mesothelioma X Meig s syndrome The patient s 3 week history of a cough productive of yellow sputum is suggestive of pneumonia. There is no history of weight loss or any other signs of malignancy and no history of trauma. Meig s syndrome is a right sided pleural effusion with an ovarian tumour (very unlikely in a male patient!).
113 THE PATIENT IS ALLERGIC TO PENICILLIN. WHICH ANTIBIOTIC(S) WOULD BE SAFE TO USE TO TREAT HIS PNEUMONIA? Amoxicillin Tazocin Gentamicin Co-amoxiclav Augmentin Clarithromycin Benzylpenicillin
114 THE PATIENT IS ALLERGIC TO PENICILLIN. WHICH ANTIBIOTIC(S) WOULD BE SAFE TO USE TO TREAT HIS PNEUMONIA? X Amoxicillin X Tazocin X Ampicillin X Co-amoxiclav X Augmentin Clarithromycin X Flucoxacillin Clarithromycin is the only safe antibiotic for treating penicillin allergic patients on this list. All of the other antibiotics contain penicillins.
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