IPF accounts for more than 60% of the cases of UIP. idiopathic), the disease is called Idiopathic pulmonary fibrosis (IPF). If the UIP pattern is of unknown cause (i.e. UIP has distinctive HRCT findings and is usually shown at lungbiopsy, when honeycombing is visible. Usual Interstitial Pneumonitis (UIP) is a histologic diagnosis. Respiratory bronchiolitis: ill defined centrilobular nodules of ground-glass opacity.Langerhans cell histiocytosis: early nodular stage before the typical cysts appear.TB: Tree-in-bud appearance in a patient with active TB.Hypersensitivity pneumonitis: centrilobular nodules, notice sparing of the subpleural area.Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.Miliary TB: random nodules of the same size.Hypersensitivity pneumonitis: ill defined centrilobular nodules.On the left some diseases with a nodular pattern. Usual Interstitial Pneumonia (UIP): basal and peripheral fibrosis, honeycombing.Ĭhronic Hypersensitivity Pneumonitis: mid zone fibrosis with mosaic pattern. Silicosis / Pneumoconiosis: predominantly centrilobular and subpleural nodules. Small cell lung cancer with nodal metastases In ' HRCT - basic interpretation' the terminology is introduced and a practical approach is given for the interpretation of HRCT examinations. Some less common interstitial lung diseases will also be presented because their HRCT presentation may be very typical, allowing for a 'spot diagnosis' in selected cases. Knowledge of both radiological and clinical appearances of these more common interstitial lung diseases is therefore important for recognizing them in daily practice and including them in the differential diagnosis. Bilateral hilar lymphadenopathy is the most common radiologic finding. Systemic manifestations (eg, Lfgren syndrome, Heerfordt syndrome) are commonly seen at clinical examination. The diagnosis is usually made on the basis of these manifestations supported by histologic findings. There are numerous interstitial lung diseases, but in clinical practice only about ten diseases account for approximately 90% of cases. Sarcoidosis is a systemic disorder of unknown cause with a wide variety of clinical and radiologic manifestations. In this review we present the key findings in the most common interstitial lung diseases. How to Differentiate Carotid Obstructions.Ankle fractures - Weber and Lauge-Hansen Classification.Ankle Fracture Mechanism and Radiography.TI-RADS - Thyroid Imaging Reporting and Data System.Head Neck tumors - When to think of malignancy.Anatomy and Pathology of the Infrahyoid Neck.Esophagus II: Strictures, Acute syndromes, Neoplasms and Vascular impressions.Pulmonary nodule - Benign versus Malignant.The value of chest radiograph and computed tomography in pulmonary. Mediastinal Masses - differential diagnosis Imaging features of spinal neurosarcoidosis vary according to the site involved.Esophagus I: anatomy, rings, inflammation.Vascular Anomalies of Aorta, Pulmonary and Systemic vessels. ![]() ![]() Contrast-enhanced MRA of peripheral vessels.Ischemic and non-ischemic cardiomyopathy.Coronary Artery Disease-Reporting and Data System 2.0.Bi-RADS for Mammography and Ultrasound 2013.Transvaginal Ultrasound for Non-Gynaecological Conditions.Acute Abdomen in Gynaecology - Ultrasound.Appendicitis - Pitfalls in US and CT diagnosis.
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