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Updated: Oct 16, 2026

Detection of Invasive Pulmonary Aspergillosis in Haematological Malignancy Patients by using Lateral-flow Technology
Published on: March 22, 2012
[Invasive pulmonary aspergillosis in oncological hematology: its pathogenesis and correlated radiographic picture]
G Zizzo1, L Melillo, M Cammisa
1Dipartimento di Diagnostica per Immagini, Ospedale Generale Regionale IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo, Foggia.
Abstract:
Invasive pulmonary aspergillosis (IPA) in the presence of hematologic malignancies is an increasingly common condition characterized by high morbidity and mortality. Plain chest films are a valuable tool for diagnosis but the radiologist must be familiar with the morphological features of the disease to interpret radiographic abnormalities and to differentiate IPA from opportunistic pneumonia. The chest films of 16 leukemia and IPA patients performed from January 1987 to September 1993 were reviewed. The natural course of infection from its early stage (nodular lesions) to the subsequent phases when eventual medullary recovery plays a critical role was thus traced. Our major finding was related to the histogenesis of primary pulmonary lesions: the most common features we observed--i.e., the spherical rather than triangular shape of necrosis areas, with no relationship to the pleura or scissural delimitation suggest that supposed ischemia from vascular infiltration cannot be the only pathogenetic factor of pulmonary injury, in spite of the well-known angioinvasivity of the fungus Aspergillus.
Insights
Invasive pulmonary aspergillosis (IPA) in leukemia patients shows distinct radiographic features. Spherical necrosis areas, unrelated to pleura, suggest factors beyond vascular infiltration in lung injury.
Area of Science:
- Radiology
- Pulmonology
- Infectious Diseases
Background:
- Invasive pulmonary aspergillosis (IPA) is a serious complication in hematologic malignancy patients.
- Accurate diagnosis relies on recognizing specific radiographic patterns on chest films.
- Differentiating IPA from other opportunistic pneumonias is crucial for patient management.
Purpose of the Study:
- To analyze the radiographic features of IPA in leukemia patients.
- To understand the natural course and histogenesis of pulmonary lesions in IPA.
- To identify key imaging findings for diagnosing IPA.
Main Methods:
- Retrospective review of chest films from 16 leukemia patients with IPA.
- Analysis of radiographic abnormalities from January 1987 to September 1993.
- Correlation of imaging findings with disease progression and recovery.
Main Results:
- Observed characteristic spherical necrosis areas in pulmonary lesions.
- Necrosis areas showed no consistent relationship to the pleura or fissures.
- These findings suggest pathogenetic factors beyond simple vascular infiltration.
Conclusions:
- Radiologists must be familiar with IPA's morphological features for accurate interpretation.
- The shape and location of necrosis areas provide insights into IPA pathogenesis.
- Chest radiography remains a vital tool for diagnosing and monitoring IPA in immunocompromised patients.
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