Jan 7, 2025 · Pulmonary bullae (singular bulla) are gas-containing cystic structures formed by confluent destroyed and dilated airspaces (distal to terminal bronchioles).

Feb 12, 2023 · CT scan, to see the location, number and size of bullae. Your provider may also suggest tests, including: Blood tests, to check for acidic blood due to a buildup of carbon dioxide in your lungs (respiratory acidosis), or low oxygen levels.

Mar 6, 2024 · CT. Blebs appear as small (<1 or 2 cm) subpleural air spaces, located most frequently at the lung apices. They have thin, almost imperceptible walls. Coronal MinIPs improve detection. Differential diagnosis. Key differential considerations include: bulla: thin wall (<1 mm), usually considered larger than blebs (>1 or 2 cm)

Jun 13, 2023 · Idiopathic giant bullous emphysema, also known as vanishing lung syndrome (VLS), is characterized by giant emphysematous bullae, which commonly develop in the upper lobes and occupy at least one-third of a hemithorax.

2 days ago · These lineal densities are characteristic for bullae on conventional . radiography. The CT scan on the same patient (below) shows the same thin-walled bullae. · Signs of an infected bulla. o Air-fluid level. o Differentiation from lung abscess …

5 days ago · A bulla is characteristically thin-walled -- < 1 mm; Air-filled space ; Contained within the lung ; 1 cm in size or greater when distended; Walls may be formed by pleura, septa, or compressed lung tissue; Clinical Findings. Patients with infected bullae tend to be less sick than those with a lung abscess; Can be asymptomatic; Cough

Jan 19, 2013 · Nine patients with chest radiographic evidence of a bulla or bullae occupying at least one third of a hemithorax, who had also been examined with high-resolution CT, were included in this retrospective study. We examined the size, distribution, and locations of bullae.

The predominant findings on HRCT scans are extensive paraseptal emphysema coalescing into giant bullae. HRCT is helpful in confirming the diagnosis of VLS, assessing the degree of the disease, and providing information to guide treatment.

Lung bullae is one of the most common clinical factors leading to spontaneous pneumothorax, and patients have no lesions in the lungs by conventional chest radiography, but lung bullae can be detected by chest CT.

Aug 22, 2023 · The term giant bulla is used for bullae that occupy at least 30 percent of a hemithorax . A single giant bulla may be present, or a giant bulla may be accompanied by a number of smaller adjacent bullae. The evaluation and management of giant bullae in patients with emphysema will be reviewed here.