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Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease

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Published on: June 16, 2020

Cystic lung disease.

B Cabeza Martínez¹, A Giménez Palleiro², S P Mazzini Florindez²

¹Servicio de Radiodiagnóstico, Hospital Clínico San Carlos, Madrid, Spain.

|February 3, 2023

Summary

This summary is machine-generated.

Cystic lung diseases present as round lung lesions, often challenging to diagnose. High-resolution computed tomography (HRCT) is crucial for identifying these conditions and guiding treatment.

Keywords:

Amiloidosis Amyloidosis Birt-Hogg-Dubé Birt-Hogg-Dubé syndrome Bronquiectasias quísticas Bronquiolitis folicular Cystic bronchiectasis Emphysema Enfisema Follicular bronchiolitis Histiocitosis de células de langerhans Honeycombing Langerhans cell histiocytosis Linfangioleiomiomatosis Lymphangioleiomyomatosis Lymphoid interstitial pneumonia Neumatocele Neumonía intersticial linfoide Panal Pneumatocele Pulmonary cyst Quiste pulmonar

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Area of Science:

Pulmonology
Radiology
Medical Imaging

Background:

Cystic lung disease is a diverse group of conditions characterized by air-filled, thin-walled lung cysts.
Differentiating cystic lung disease from mimics like emphysema and cystic bronchiectasis requires careful clinical and radiological assessment.
Accurate diagnosis is essential for appropriate patient management and treatment strategies.

Purpose of the Study:

To review the key imaging features of various cystic lung diseases.
To highlight the role of high-resolution computed tomography (HRCT) in diagnosing these conditions.
To provide guidance for differentiating between common and rare causes of diffuse pulmonary cysts.

Main Methods:

Review of medical literature and imaging findings related to cystic lung diseases.
Emphasis on the diagnostic utility of high-resolution computed tomography (HRCT).
Comparison of characteristic HRCT appearances of different cystic lung pathologies.

Main Results:

High-resolution computed tomography (HRCT) is the primary imaging modality for evaluating cystic lung disease, often obviating the need for biopsy.
Common cystic lung diseases include lymphangioleiomyomatosis, Langerhans cell histiocytosis, and lymphocytic interstitial pneumonia.
Less common causes such as Birt-Hogg-Dubé syndrome, amyloidosis, and light-chain deposit disease have distinct imaging patterns.

Conclusions:

Radiologists must be familiar with the diverse presentations of cystic lung diseases on HRCT.
HRCT findings are often sufficient for diagnosis, guiding clinical management.
Understanding the differential diagnosis of cystic lung lesions is critical for effective patient care.