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  2. 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 ...

  3. Lung nodule - Wikipedia

    en.wikipedia.org/wiki/Lung_nodule

    The most common benign coin lesion is a granuloma (inflammatory nodule), for example due to tuberculosis or a fungal infection, such as Coccidioidomycosis. [6] Other infectious causes include a lung abscess , pneumonia (including pneumocystis pneumonia ) or rarely nocardial infection or worm infection (such as dirofilariasis or dog heartworm ...

  4. 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]

  5. 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.

  6. Foreign body reaction - Wikipedia

    en.wikipedia.org/wiki/Foreign_body_reaction

    In the long term, the foreign body reaction results in encapsulation of the foreign body within a calcified shell. For example, a lithopedion is a rare phenomenon which occurs most commonly when a fetus dies during an abdominal pregnancy , [ 5 ] is too large to be reabsorbed by the body, and calcifies.

  7. Chronic granulomatous disease - Wikipedia

    en.wikipedia.org/wiki/Chronic_granulomatous_disease

    Chronic granulomatous disease (CGD), also known as Bridges–Good syndrome, chronic granulomatous disorder, and Quie syndrome, [1] is a diverse group of hereditary diseases in which certain cells of the immune system have difficulty forming the reactive oxygen compounds (most importantly the superoxide radical due to defective phagocyte NADPH oxidase) used to kill certain ingested pathogens. [2]

  8. Tuberculous lymphadenitis - Wikipedia

    en.wikipedia.org/wiki/Tuberculous_lymphadenitis

    Mycobacterium tuberculosis is the most common cause of both pulmonary tuberculosis and tuberculous lymphadenitis. [1] [6] Historically, transmission of Mycobacterium bovis from dairy consumption was another frequent cause of tuberculous lymphadenitis, but incidence has drastically decreased in developed countries since the advent of pasteurization and other efforts to prevent bovine ...

  9. Peripheral ossifying fibroma - Wikipedia

    en.wikipedia.org/wiki/Peripheral_ossifying_fibroma

    A peripheral ossifying fibroma, also known as ossifying fibrous epulis, is “a gingival nodule which is composed of a cellular fibroblastic connective tissue stroma which is associated with the formation of randomly dispersed foci of mineralised products, which consists of bone, cementum-like tissue, or a dystrophic calcification.