Extralobar Sequestration Megan K. Dishop Claire Langston Extralobar sequestration is defined as an isolated mass of pulmonary tissue that develops separately from the normal lung. It is invested in its…

Bronchial Atresia and Intralobar Sequestration Megan K. Dishop Claire Langston Bronchial atresia may be lobar, segmental, or subsegmental, and it may be isolated or associated with systemic arterial connection (intralobar…

Childhood Asthma Megan K. Dishop Claire Langston Asthma is a common disease usually with onset in childhood. It is characterized by airway hyperreactivity with acute episodic narrowing, particularly following environmental…

Nodular Histiocytic Hyperplasia Anna Sienko Nodular histiocytic hyperplasia of the pleural is a benign proliferation of histiocytes admixed with various amounts of mesothelial cells. Nodular histiocytic hyperplasia has been reported…

Splenosis Andras Khoor Pulmonary parenchymal (thoracic) splenosis is a rare condition resulting from seeding of splenic tissue in the pleura and/or pulmonary parenchyma after lacerating trauma to the spleen. The…

Endometriosis Rodolfo Laucirica Endometriosis is defined as extrauterine growth of endometrial tissue. It usually is confined to the pelvic cavity but can occur elsewhere, including the pleura. It usually causes…

Reactive Mesothelial Hyperplasia Alvaro C. Laga Timothy C. Allen Carlos Bedrossian Rodolfo Laucirica Philip T. Cagle Reactive mesothelial cell hyperplasia is often seen in association with pleural effusion, including infections,…

Specific Forms of Pleuritis Alvaro C. Laga Timothy C. Allen Philip T. Cagle Eosinophilic pleuritis is characterized by abundant eosinophils in the pleural tissue and fluid. Eosinophilic pleuritis occurs as…

Fibrinous and Fibrous Pleuritis Alvaro C. Laga Timothy C. Allen Philip T. Cagle Pleuritis may exhibit fibrinous exudates on the visceral and/or parietal pleural surfaces. Over time, the fibrinous exudates…

Storage Diseases Alvaro C. Laga Timothy C. Allen Megan K. Dishop Philip T. Cagle Several storage diseases may involve the lungs, and some of these diseases cause significant pulmonary disease….