medicalschool: The image shows a thin-walled cavitary lesion without air-fluid level (arrow) in a patient with primary tuberculosis. Cavitary lung lesions on chest radiographs can be the result of an abscess, tuberculosis, carcinoma, Wegener’s granulomatosis, metastatic cancer, or septic emboli. Key features to identify are size, wall thickness, air-fluid levels, and location as this may provide clues as to the potential etiology of the lesion. Lateral radiographs may be needed to help confirm location. Abscesses typically have thick walls and may have air/fluid levels. Metastases are typically thin-walled but may have a variable appearance. Wegener’s granulomatosis and septic emboli are typically smaller lesions. View high resolution

medicalschool:

The image shows a thin-walled cavitary lesion without air-fluid level (arrow) in a patient with primary tuberculosis.

Cavitary lung lesions on chest radiographs can be the result of an abscess, tuberculosis, carcinoma, Wegener’s granulomatosis, metastatic cancer, or septic emboli. Key features to identify are size, wall thickness, air-fluid levels, and location as this may provide clues as to the potential etiology of the lesion. Lateral radiographs may be needed to help confirm location. Abscesses typically have thick walls and may have air/fluid levels. Metastases are typically thin-walled but may have a variable appearance. Wegener’s granulomatosis and septic emboli are typically smaller lesions.

(Reblogged from medicalschool)

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