Idiopathic pleuroparenchymal fibroelastosis (IPPFE) is a recently described clinical-pathologic entity characterized by pleural and subpleural parenchymal fibrosis, mainly in the upper lobes. As this disease is extremely rare (only 7 cases have been described in the literature to date) poorly defined cases of IPPFE can go unrecognized.The clinical course of disease is progressive and prognosis is poor, with no therapeutic options other than lung transplantation currently available, yet. The aim of this report is to describe two further cases of this rare disease, reviewing CT, clinical and histological features.
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http://dx.doi.org/10.1186/1465-9921-12-111 | DOI Listing |
Respir Investig
December 2024
Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan. Electronic address:
Idiopathic pleuroparenchymal fibroelastosis (iPPFE) is characterized by upper lobe-dominant fibrosis involving the pleura and subpleural lung parenchyma. Pathologically, it is characterized by parenchymal intra-alveolar fibrosis with marked deposition of elastic fibers and dense thickening of the visceral pleura. Since iPPFE was categorized as a rare idiopathic interstitial pneumonia (IIP) by the America Thoracic Society/European Respiratory Society, several studies have been conducted, revealing an overall picture of iPPFE in terms of epidemiology, clinical manifestations, and mortality, in addition to its radiological and histological characteristics.
View Article and Find Full Text PDFLab Invest
December 2024
Department of Pathology, China-Japan Friendship Hospital, Beijing, 100029, China. Electronic address:
Interstitial lung disease (ILD), characterized by inflammation and fibrosis, often suffers from low diagnostic accuracy and consistency. Traditional H&E staining primarily reveals cellular inflammation with limited detail on fibrosis. To address these issues, we introduce a pioneering label-free quantitative multiphoton fiber histology (MPFH) technique that delineates the intricate characteristics of collagen and elastin fibers for ILDs diagnosis.
View Article and Find Full Text PDFAsian J Surg
October 2024
School of Medicine, National Cheng Kung University, Tainan, 701401, Taiwan.
F1000Res
July 2024
Department of Pneumology, Military Hospital, University of Tunis El Manar, Tunis, 1008, Tunisia.
Idiopathic pleuroparenchymal fibroelastosis (IPPFE) is a very rare and a slowly conspicuous progressing chronic lung disease, which usually involves the upper lobes of the lung. This unusual disease, first recognized as a rare idiopathic interstitial pneumonia in 2013, is characterized by dense fibrosis of the visceral pleura and the subjacent lung parenchyma accompanied by elastosis predominating in the subpleural alveolar walls. In the interest of improving our understanding of this uncommon disease, we report a case of IPPFE established by pathology results.
View Article and Find Full Text PDFRespir Med Case Rep
June 2024
Department of Respiratory Medicine and Allergology, Kindai University Faculty of Medicine, Osakasayama, Japan, Osaka, Japan.
Idiopathic pleuroparenchymal fibroelastosis (iPPFE) is a rare form of idiopathic interstitial pneumonia. We report a case of a patient with iPPFE in whom postural changes improved diaphragmatic excursion (DE) and exercise tolerance. Chest radiography showed a greater elevation of the diaphragm at maximum expiration in the supine position than the standing position.
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