대한흉부영상의학회 Weekly Chest Cases

Courtesy of Sung Ho Hwang / Korea University Anam Hospital
Age/Sex 52 / F
Chief ComplaintDyspnea IgG anti-cardiolipin: Positive Anti-Neutrophil Cytoplasmic Antibody (ANCA): Positive

Diagnosis: Lymphocytic interstitial pneumonia
Radiologic Findings: Right middle lobe (RML) wedge resection
Peribronchiolar prominent lymphoid follicles, patchy interstitial thickening, and chronic inflammation are noted in the histology result.

Fig. 1 The chest posteroanterior radiograph shows increased opacities and haziness in the right lower lung zone.

Fig. 2 A transverse image (A) of HRCT shows small ground-glass lesions and dilated bronchi in the middle lobe and lower lobe of the right lung.
A six-month follow-up HRCT (B) shows multiple small cysts replacing the previous ground-glass lesions in the right lung.
Brief Review: Lymphocytic interstitial pneumonia (LIP) has been considered part of a spectrum of pulmonary lymphoproliferative disorders that range in severity from benign airway-centered cellular aggregates (lymphoid hyperplasia) to malignant lymphomas.
Most cases of LIP occur in patients with underlying autoimmune disease or immunodeficiency, most commonly Sj
References: 1) Silva CI, Flint JD, Levy RD, et al. Diffuse lung cysts in lymphoid interstitial pneumonia: high-resolution CT and pathologic findings. J Thorac Imaging. 2006;21:241
Keywords

- Osaka metropolitan university Hospital , Japan TATSUSHI OURA
- Other , Korea (South) SEOL A LEE
- Kyoto University , Japan SHO KOYASU
- The Catholic University of Korea Yoeuido St. Mary , Korea (South) CHAWOONG JEON
- the first affiliatited hospital of nanjing medical univercity , China HAI XU
- , Korea (South) JIN WOO YOON

대한흉부영상의학회 Korean Society of Thoracic Radiology