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Lobar pneumonia is a form of pneumonia characterized by inflammatory exudate within the intra-alveolar space resulting in consolidation that affects a large and continuous area of the lobe of a lung. [1] [2] It is one of three anatomic classifications of pneumonia (the other being bronchopneumonia and atypical pneumonia).
A lobar pneumonia is an infection that only involves a single lobe, or section, of a lung. Lobar pneumonia is often due to Streptococcus pneumoniae (though Klebsiella pneumoniae is also possible.) [16] Multilobar pneumonia involves more than one lobe, and it often causes a more severe illness.
Size: larger size confers a higher risk of cancer [8] Location: Upper lobe location is a risk factor for cancer, while a location close to a fissure or the pleura indicates a benign lymph node, [8] especially if having a triangular shape. [9] Margin morphology: a spiculated margin is a risk factor for cancer. [8]
Despite high levels of gross research funding, lung cancer funding per death lags behind many other cancers, with around $3,200 spent on lung cancer research in 2022 per US death, considerably lower than that for brain cancer ($22,000 per death), breast cancer ($14,000 per death), and cancer as a whole ($11,000 per death). [119]
Pneumonia as seen on chest X-ray. A: Normal chest X-ray. B: Abnormal chest X-ray with consolidation from pneumonia in the right lung, middle or inferior lobe (white area, left side of image). Specialty: Pulmonology
55-year-old Devonne Swift never smoked. After developing a persistent cough, she received a lifesaving early lung cancer diagnosis – all thanks to a new technology, robotic bronchoscopy.
X-ray presentations of pneumonia may be classified as lobar pneumonia, bronchopneumonia, lobular pneumonia, and interstitial pneumonia. [74] Bacterial, community-acquired pneumonia classically show lung consolidation of one lung segmental lobe, which is known as lobar pneumonia. [42]
The TNM staging system of lung cancer is: T Tumor T1a: Primary tumor is ≤1 cm in greatest dimension. T1b: Primary tumor is >1 but ≤2 cm in greatest dimension. T1c: Primary tumor is >2 but ≤3 cm in greatest dimension. T2a: Primary tumor is >3 and ≤5 cm in greatest dimension. T2b: Primary tumor is >5 and ≤7 cm in greatest dimension.