01 March 2017 by Wassim Fares

Not all centrilobular nodules are in the airways: a case of intravascular birefringent polarizable material

A 25 year-old male with a history of orthotropic liver transplant at age 17 for biliary atresia was admitted with chronic abdominal pain, nausea, and vomiting.   During his hospitalization, he developed sporadic and recurrent fevers associated with hypoxemic respiratory failure and rapidly resolving septic shock further complicated by acute respiratory distress syndrome (ARDS) and recurrent Streptococcus mitis and Streptococcus oralis bacteremia.  He did not have hemoptysis or relevant environmental exposures.  The differential diagnosis was still broad at the time, including mycobacteriosis, fungal diseases, and less likely but possibly aspiration pneumonia, with CT scan demonstrating diffuse peripheral ground glass opacities and centrilobular nodules with mild interlobular septal thickening in the upper lobes (Figure A & B).  

Despite treatment with appropriate antibiotics, he continued to have evanescent fevers.  Other diagnoses such as malignancy, post-transplant lymphoproliferative disease and interstitial lung disease were then considered. Bronchoscopy with bronchoalveolar lavage was performed and was non-diagnostic. After a multidisciplinary discussion, he underwent video-assisted thoracoscopic surgery for lung biopsy.  Histopathology staining revealed diffuse, intravascular, birefringent polarizable material associated with foreign body giant cell reaction (Figure C & D) consistent with illicit injection of crushed material through his peripherally-inserted central venous catheter.  This case highlights the need for careful monitoring of patients with chronic pain disorders with readily available vascular access.  Although centrilobular nodules on CT scans are most commonly seen in small airways disease, it is important to consider pulmonary vascular involvement as a differential diagnosis of centrilobular nodules.

 

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Key Contributors

Anastasiia A. Rudkovskaia1, Kolene E. Bailey MD2, Avraham Sofer MD3, Michael H. Kaplan MD2, Robert J. Homer MD PhD4, Jonathan Killam MD5, Cary Caldwell MD6, Simona Jakab MD6, Wassim H. Fares MD MSc3 1: Department of Internal Medicine. Bridgeport Hospital/Yale New Haven Health System 2Section of Internal Medicine, School of Medicine, Yale University, New Haven, CT; 3Section of Pulmonary, Critical Care, & Sleep Medicine, School of Medicine, Yale University, New Haven, CT; 4Department of Pathology, School of Medicine, Yale University, New Haven, CT; 5 Department of Diagnostic Radiology, School of Medicine, Yale University, New Haven, CT; 6Section of Digestive Diseases, School of Medicine, Yale University, New Haven, CT


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