Left upper lobe collapse

The chest X-ray is often the first-line investigation for the adult patient presenting with a range of symptoms via the general practitioner (GP) or emergency pathway. This case study follows the imaging pathway of a patient presenting with left upper lobe collapse, initially diagnosed on a chest X-ray.

Knowledge of the plain film signs of lobar collapse is crucial for any practitioner involved in reviewing chest X-rays. This will improve patient outcomes by guiding the need for urgent further investigation, leading to prompt diagnosis and treatment. The direct and indirect signs of lobar collapse on the plain film chest X-ray are discussed in this article, with review of the obvious and more subtle signs.

Practitioners and reporters should aim to undertake a thorough search strategy to ensure timely diagnoses and further investigations. Departments may consider providing learning materials for teaching and reinforcing knowledge in this...