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  2. Granulomatosis with polyangiitis - Wikipedia

    en.wikipedia.org/wiki/Granulomatosis_with...

    These granulomas are the main reason for the name granulomatosis with polyangiitis, although it is not an essential feature. Nevertheless, necrotizing granulomas are a hallmark of this disease. However, many biopsies can be nonspecific and 50% provide too little information for the diagnosis of GPA. [12]

  3. Granuloma - Wikipedia

    en.wikipedia.org/wiki/Granuloma

    "Pulmonary hyalinizing granuloma" is a lesion characterized by keloid-like fibrosis in the lung and is not granulomatous. Similarly, radiologists often use the term granuloma when they see a calcified nodule on X-ray or CT scan of the chest. They make this assumption since granulomas usually contain calcium, although the cells that form a ...

  4. Necrotizing pneumonia - Wikipedia

    en.wikipedia.org/wiki/Necrotizing_pneumonia

    Necrotizing pneumonia (NP), also known as cavitary pneumonia or cavitatory necrosis, is a rare but severe complication of lung parenchymal infection. [ 1 ] [ 2 ] [ 3 ] In necrotizing pneumonia, there is a substantial liquefaction following death of the lung tissue, which may lead to gangrene formation in the lung.

  5. List of medical triads, tetrads, and pentads - Wikipedia

    en.wikipedia.org/wiki/List_of_medical_triads...

    Focal necrotizing vasculitis, necrotizing granulomas in the lung and upper airway, necrotizing glomerulonephritis: Granulomatosis with polyangiitis: Hakim Triad [1] (Adams Triad) Urinary incontinence, Gait disturbance, Dementia: Normal pressure hydrocephalus: Triad (Triad of Sandblom) Malena, Obstructive jaundice, Biliary colic: Hemobilia ...

  6. Granulomatous–lymphocytic interstitial lung disease - Wikipedia

    en.wikipedia.org/wiki/Granulomatous–lymphocytic...

    The commonest abnormality on lung function testing is a decrease in gas transfer. [2] Both obstructive and restrictive patterns on spirometry have been reported. [2] The differential diagnosis includes infection, other interstitial lung diseases and malignant disease including lymphoma.

  7. Sarcoidosis - Wikipedia

    en.wikipedia.org/wiki/Sarcoidosis

    The World Association of Sarcoidosis and Other Granulomatous Disorders (WASOG) is an organisation of physicians involved in the diagnosis and treatment of sarcoidosis and related conditions. [171] WASOG publishes the journal Sarcoidosis, Vasculitis and Diffuse Lung Diseases. [172]

  8. Microscopic polyangiitis - Wikipedia

    en.wikipedia.org/wiki/Microscopic_polyangiitis

    Differential diagnosis [ edit ] The signs and symptoms of microscopic polyangiitis may resemble those of granulomatosis with polyangiitis (GPA) (another form of small-vessel vasculitis) but typically lacks the significant upper respiratory tract involvement (e.g., sinusitis ) frequently seen in people affected by GPA.

  9. Classification of pneumonia - Wikipedia

    en.wikipedia.org/wiki/Classification_of_pneumonia

    Necrotizing pneumonia (NP), also known as cavitary pneumonia or cavitatory necrosis, is a rare but severe complication of lung parenchymal infection. [ 5 ] [ 6 ] [ 7 ] In necrotizing pneumonia, there is a substantial liquefaction following death of the lung tissue, which may lead to gangrene formation in the lung.