대한흉부영상의학회 Korean Society of Thoracic Radiology

Discussion

Diagnosis With Brief Discussion

Courtesy

A

Chief Complaint

Cough, dyspnea on exertion, fever, chilling sense
15 pack year smoker, Diagnosed as bronchial asthma 10 years ago

Definitive Diagnosis

Open lung biopsy

Imaging Findings

Patchy distributed ground glass opacities in the both lungs
Multiple small cystic change
Small nodular lesions
Distribtion : more severe in upper lung zone.
Paraseptal emphysema
Enlarged lymph node in the Rt hilum.

Differential Diagnosis

Pneumocystis carinii pneumonia
Cryptogenic organizing pneumonia
Hypersensitivity pneumonia
Lymphocytic interstitial pneumonia

Reviewy

Etiology

Idiopathic
Pulmonary infection, drug reaction, collagen-vascular disease, Wegener’s granulomatosis, toxic fume inhalation
Pathology

Granulation tissue polyps within the lumen of bronchioles
Organizing pneumonia :consist of mononuclear cell and foamy macrophage
Clinically

Clinical presentation : nonproductive cough, fever, shortness of breath
Similar to UIP clinically and functionally. However, shorter duration of symptom, better response to steroid.

Keywords

Lung, Idiopathic interstitial pneumonia,