Items tagged “aspergillus”

The finger in glove sign can be seen on either a chest radiograph or CT chest and refers to the characteristic sign of a bronchocele.  Terminology The same appearance has also been referred to as: Mickey Mouse appearance rabbit ear appearance toothpaste-shaped opacity V-shaped opacities Y...

Obstructive bronchopulmonary aspergillosis is an uncommon manifestation of non-invasive aspergillosis seen in patients with AIDS. It is typically caused by Aspergillus fumigatus and represents marked overgrowth of intraluminal of the fungus.

Aspergillomas are mass-like fungus balls that are typically composed of Aspergillus fumigatus and are a non-invasive form of pulmonary aspergillosis. It usually falls under the subgroup chronic pulmonary aspergillosis. Terminology Although the term mycetoma is frequently used to describe these...

Subacute invasive pulmonary aspergillosis (previously known as chronic necrotizing aspergillosis or semi-invasive aspergillosis) is subacute to chronic localized and indolent form of invasive aspergillosis. It is also sometimes grouped under the term chronic pulmonary aspergillosis. Epidemiolog...

Angioinvasive aspergillosis is the most severe and aggressive form of invasive aspergillosis. It is a life-threatening condition that requires prompt treatment. Fortunately, it is not seen in the general population and only occurs in profoundly immunocompromised patients.  Epidemiology Angioin...

The halo sign in chest imaging is a feature seen on lung window settings, ground glass opacity surrounding a pulmonary nodule or mass and represents hemorrhage. It is typically seen in angioinvasive aspergillosis. Pathology Histopathologically, it represents a focus of pulmonary infarction sur...

Aflatoxins are naturally-occurring mycotoxins that are produced by Aspergillus species, especially Aspergillus flavus. They are acutely toxic and carcinogenic. Acute exposure High-level aflatoxin exposure can result in acute aflatoxicosis with acute hepatic necrosis, leading to cirrhosis, and ...