Pulmonary nodule mimicking lung cancer in a human immunodeficiency virus type-1 infected patient

T Takahashi1, T Endou, T Nakamura

  • 1Department of Infectious Diseases, Institute of Medical Science, University of Tokyo, Japan. takahata@ims.u-tokyo.ac.jp

Journal of Medicine
|October 9, 1999
PubMed

Insights

Human immunodeficiency virus type 1 (HIV-1) patients can develop pulmonary nodules that mimic cancer. Antituberculosis therapy successfully treated a case, highlighting the importance of CT scans for diagnosis and monitoring.

Area of Science:

  • Pulmonology
  • Infectious Diseases
  • Radiology

Background:

  • Human immunodeficiency virus type 1 (HIV-1) infection can lead to various pulmonary complications.
  • Pulmonary nodules in HIV-1 patients can present diagnostic challenges, sometimes mimicking malignancy like adenocarcinoma.
  • Early and accurate diagnosis is crucial for effective management of pulmonary issues in immunocompromised individuals.

Observation:

  • A case report of an HIV-1 infected patient presenting with a solitary pulmonary nodule.
  • The nodule's appearance on imaging was suggestive of adenocarcinoma.
  • The patient received antituberculosis therapy.

Findings:

  • Successful treatment of the pulmonary nodule with antituberculosis therapy.
  • High-resolution computed tomography (CT) scans were instrumental in identifying inflammatory findings.
  • CT scans revealed bronchial ectasis and calcifications within the nodule.

Implications:

  • High-resolution CT scans are vital for detecting pulmonary inflammatory conditions in HIV-1 patients.
  • CT imaging aids in differentiating inflammatory nodules from neoplastic lesions.
  • Monitoring treatment effectiveness for pulmonary inflammatory nodules in HIV-1 patients is facilitated by CT scans.

Related Concept Videos

Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
Cryptococcal Meningitis01:27

Cryptococcal Meningitis

Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:
Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...