Spectrum of pulmonary asperigellosis

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Spectrum of pulmonary asperigellosis

  1. 1. Spectrum of Pulmonary Aspergillosis By Gamal Rabie Agmy , MD , FCCP Professor of Chest Diseases ,Assiut University
  2. 2. Pulmonary Aspergillosis Pulmonary aspergillosis can be subdivided into five categories: (a) saprophytic aspergillosis (aspergilloma), (b) hypersensitivity reaction (allergic bronchopulmonary aspergillosis), (c) semi-invasive (chronic necrotizing) aspergillosis, (d) airway-invasive aspergillosis (acute tracheobronchitis, bronchiolitis, bronchopneumonia, obstructing bronchopulmonary aspergillosis), and (e) Angioinvasive aspergillosis.
  3. 3. Saprophytic Aspergillosis (Aspergilloma) *Saprophytic aspergillosis (aspergilloma) is characterized by Aspergillus infection without tissue invasion.It typically leads to conglomeration of intertwined fungal hyphae admixed with mucus and cellular debris within a preexistent pulmonary cavity or ectatic bronchus. * The most common underlying causes are tuberculosis and sarcoidosis. Other conditions that occasionally may be associated with aspergilloma include bronchogenic cyst, pulmonary sequestration,and pneumatoceles secondary to Pneumocystis carinii pneumonia in patients with acquired immunodeficiency syndrome (AIDS) (3–5). Although aspergillomas are usually single, they may also be present bilaterally.
  4. 4. Saprophytic Aspergillosis (Aspergilloma) *Although patients may remain asymptomatic, the most common clinical manifestation of saprophytic aspergillosis is hemoptysis. Surgical resection is indicated for patients with severe lifethreatening hemoptysis, and selective bronchial artery embolization can be performed in those with poor lung function.
  5. 5. Saprophytic Aspergillosis (Aspergilloma)
  6. 6. Saprophytic Aspergillosis (Aspergilloma)
  7. 7. Hypersensitivity Reaction (Allergic Bronchopulmonary Aspergillosis) *Allergic bronchopulmonary aspergillosis is seen most commonly in patients with long-standing bronchial asthma. *Acute clinical symptoms include recurrent wheezing, malaise ith low-grade fever, cough, sputum production, and chest pain. Patients with chronic allergic bronchopulmonary aspergillosis may also have a history of recurrent pneumonia.
  8. 8. Allergic Bronchopulmonary Aspergillosis
  9. 9. Semi-invasive (Chronic Necrotizing) Aspergillosis *Factors associated with the development of this form of aspergillosis include chronic debilitating illness, diabetes mellitus, malnutrition, alcoholism, advanced age, prolonged corticosteroid therapy, and chronic obstructive pulmonary disease. * Clinical symptoms are often insidious and include chronic cough, sputum production, fever, and constitutional symptoms. In patients with chronic obstructive pulmonary disease, semiinvasive aspergillosis may manifest with a variety of nonspecific clinical symptoms such as cough, sputum production, and fever lasting more than 6 months. Hemoptysis has been reported in 15% of affected patients
  10. 10. Semi-invasive (Chronic Necrotizing) Aspergillosis
  11. 11. Airway-invasive Aspergillosis *It occurs most commonly in immunocompromised neutropenic patients and in patients with AIDS * Clinical manifestations include acute tracheobronchitis, bronchiolitis, and bronchopneumonia.
  12. 12. Airway-invasive Aspergillosis
  13. 13. Airway-invasive Aspergillosis Obstructing bronchopulmonary aspergillosis is a noninvasive form of aspergillosis characterized by the massive intraluminal overgrowth of Aspergillus species, usually A fumigatus, in patients with AIDS .Affected patients exhibit cough,fever, and new onset of asthma. Patients may cough up fungal casts of the bronchi and present with severe hypoxemia.
  14. 14. Angio-invasive Aspergillosis *Angioinvasive aspergillosis occurs almost exclusively in immunocompromised patients with severe neutropenia. *Increase risk of invasive asprigellosis is due to the development of new intensive chemotherapy regimens for solid tumors, difficult-to-treat lymphoma, myeloma,and resistant leukemia as well as an increase in the number of solid organ transplantations and increased use of immunosuppressive regimens for other autoimmune diseases. Despite having a normal neutrophil count, affected patients have functional neutropenia because the function of the neutrophils is inhibited by the use of highdose steroids.
  15. 15. Angio-invasive Aspergillosis

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