Oct 14, 2024 · Usual interstitial pneumonia (UIP) is not a disease, it is a histopathologic and radiologic pattern of interstitial lung disease. This can be caused by idiopathic pulmonary fibrosis, fibrotic hypersensitivity pneumonitis or non-specific interstitial pneumonia. The diagnosis is typically decided by a multidisciplinary team.

Jun 19, 2024 · UIP pattern. Classic HRCT pattern including: honeycombing: it is the distinguishing feature of UIP and must be present +/- traction bronchiectasis; reticular abnormalities; distribution: subpleural with a basal predominance; absence of features suggestive of an alternative diagnosis Probable UIP pattern. HRCT studies with absent honeycombing ...

Jun 19, 2024 · The 2018 revised diagnostic HRCT criteria for usual interstitial pneumonia (UIP) pattern published by the American Thoracic Society, the European Respiratory Society, the Japanese Respiratory Society, and the Latin American Thoracic Association has converged to a similar categorization of the HRCT findings into four groups.

3 days ago · Learn more about criteria for usual interstitial pneumonia (UIP) pattern on HRCT, which may be indicative of IPF or other conditions.

2 days ago · Click here to learn about differentiating between usual interstitial pneumonia (UIP) and nonspecific interstitial pneumonia (NSIP) on HRCT.

Recognizing, understanding, and properly diagnosing UIP is vital for patient outcomes, particularly because it often serves as a radiological pattern observed in a number of underlying diseases, including idiopathic pulmonary fibrosis and connective tissue diseases. Grasping the subtleties of the UIP pattern can be daunting.

2 days ago · This table shows several HRCT features commonly seen in patients with chronic hypersensitivity pneumonitis, UIP or IPF, and NSIP. Note the significant overlap of certain features such as reticulation and ground glass opacity, and those which are not common for …

Jan 14, 2025 · UIP is more about how the lungs look on an X-ray or CT scan, as well as under a microscope (in a lung biopsy), rather than a specific disease. It's like a distinct fingerprint that can be caused by a number of underlying conditions. The …

Current guidelines describe three UIP patterns based on HRCT findings: a typical UIP pattern; a pattern designated “possible UIP”; and a pattern designated “inconsistent with UIP”, each pattern having important diagnostic implications.

Diagnostic HRCT criteria for usual interstitial pneumonia (UIP) pattern - ATS/ERS/JRS/ALAT (2018)