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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. Granulomatous–lymphocytic interstitial lung disease - Wikipedia

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

    Granulomatous–lymphocytic interstitial lung disease (GLILD) is a lung complication of common variable immunodeficiency disorders (CVID). It is seen in approximately 15% of patients with CVID. [ 1 ] It has been defined histologically as the presence of (non-caseating) granuloma and lymphoproliferation in the lung. [ 1 ]

  5. Pulmonary hyalinizing granuloma - Wikipedia

    en.wikipedia.org/.../Pulmonary_hyalinizing_granuloma

    Pulmonary hyalinizing granuloma is characterized by localized changes in lung architecture determined by deposition of hyaline collagenous fibrosis accompanied by sparse lymphocytic infiltrate that compresses and distorts the remaining bronchioles. A higher magnification, the mass is composed by hypocellular collagen lamellae. [3]

  6. Tuberculosis radiology - Wikipedia

    en.wikipedia.org/wiki/Tuberculosis_radiology

    Solitary calcified nodules or granuloma - Discrete calcified nodule or granuloma, or calcified lymph node. The calcified nodule can be within the lung, hila, or mediastinum. The borders must be sharp, distinct, and well defined.

  7. Hypersensitivity pneumonitis - Wikipedia

    en.wikipedia.org/wiki/Hypersensitivity_pneumonitis

    [9] [10] In general, acute HP is suspected to be attributed to a type III hypersensitivity while the subacute and chronic types are suspected to be caused by T cell infiltration and granuloma formation. [11] Because different people react variably to antigen exposure, the exact mechanism is unclear but genetic and host factors are likely at ...

  8. Lymphomatoid granulomatosis - Wikipedia

    en.wikipedia.org/wiki/Lymphomatoid_granulomatosis

    Lymphomatoid means lymphoma-like and granulomatosis denotes the microscopic characteristic of the presence of granulomas with polymorphic lymphoid infiltrates and focal necrosis within it. LG most commonly affects middle aged people, [2] but has occasionally been observed in young people. [3] Males are found to be affected twice as often as ...

  9. Eosinophilic granulomatosis with polyangiitis - Wikipedia

    en.wikipedia.org/wiki/Eosinophilic_granulomatos...

    Eosinophilic granulomatosis with polyangiitis consists of three stages, but not all patients develop all three stages or progress from one stage to the next in the same order; [7] whereas some patients may develop severe or life-threatening complications such as gastrointestinal involvement and heart disease, some patients are only mildly affected, e.g. with skin lesions and nasal polyps. [8]