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A rare intravascular tumour diagnosed by endobronchial ultrasound
  1. William T Owen1,
  2. Elena Karampini2,
  3. Ronan A Breen3,
  4. Mufaddal Moonim4,
  5. Arjun Nair5,
  6. Sally F Barrington6,
  7. George Santis1
  1. 1Department of Respiratory Medicine and Allergy, Kings College London, Guy's Hospital, London, UK
  2. 2Department of Respiratory Medicine and Allergy, Kings College London, London, UK
  3. 3Department of Respiratory Medicine, Guy's & St. Thomas’ NHS Foundation Trust, London, UK
  4. 4Department of Cellular Pathology, Guy's & St. Thomas’ NHS Foundation Trust, London, UK
  5. 5Department of Radiology, Guy's & St. Thomas’ NHS Foundation Trust, London, UK
  6. 6PET Imaging Centre at St. Thomas’ Hospital, King's College London, London UK
  1. Correspondence to Dr William T Owen, Department of Respiratory Medicine and Allergy, Kings College London, 5th Floor, Tower Wing, Guy's Hospital, London SE1 9RT, UK; williamowen{at}nhs.net

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A 24-year-old man was referred to the haematologists for investigation of unexplained anaemia on the background of a 6-month history of exertional breathlessness, mild cough and night sweats. Investigations revealed iron-deficiency anaemia (haemoglobin 94 g/L), thrombocytosis and markedly elevated inflammatory markers (C-reactive protein (CRP) 235 mg/L). A CT scan of his chest identified a large expansile filling defect within the left main pulmonary artery, almost entirely occluding the left-sided pulmonary circulation, which had high-grade 18F-fluorodeoxyglucose (FDG) uptake on a subsequent positron emission tomography (PET) CT (figure 1).

Figure 1

CT pulmonary angiogram and positron emission tomography CT merged image showing high-grade 18F-fluorodeoxyglucose (FDG) uptake in a 35 mm lesion within the left main pulmonary artery.

The lesion …

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