Chronic Expanding Haematoma Causing Stenosis of the Right Ventricular Outflow Tract and Pulmonary Hypertension

A chronic expanding haematoma (CEH) is an encapsulated mass that gradually increases in size from repeated internal bleeding and neovascularization. We herein report a 69-year-old man who was admitted with dyspnoea on exertion after undergoing thymic carcinoma resection 17 years ago. Chest computed...

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Bibliographic Details
Published inInternal Medicine Vol. 62; no. 11; pp. 1641 - 1645
Main Authors Kitahara, Shinsuke, Kasai, Hajime, Sugiura, Toshihiko, Akimoto, Yuto, Wada, Hironobu, Suzuki, Hidemi, Sakao, Seiichiro, Yoshino, Ichiro, Suzuki, Takuji
Format Journal Article
LanguageEnglish
Published Japan The Japanese Society of Internal Medicine 01.06.2023
Japan Science and Technology Agency
Subjects
Aged
Case Report
chronic expanding hematoma
Compression
Computed tomography
Constriction, Pathologic - complications
Constriction, Pathologic - diagnostic imaging
Dyspnea
Heart
Heart Ventricles - diagnostic imaging
Hematoma
Hematoma - complications
Hematoma - diagnostic imaging
Humans
Hypertension
Hypertension, Pulmonary - complications
Hypertension, Pulmonary - diagnostic imaging
Internal medicine
Male
median sternotomy
Mediastinum
Pulmonary artery
Pulmonary Artery - pathology
pulmonary hypertension
Respiration
right-sided heart failure
Stenosis
Thymus
transthoracic echocardiography
Vascularization
Ventricle
computed tomography
transthoracic echocardiography
chronic expanding hematoma
right-sided heart failure
pulmonary hypertension
median sternotomy
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Summary:A chronic expanding haematoma (CEH) is an encapsulated mass that gradually increases in size from repeated internal bleeding and neovascularization. We herein report a 69-year-old man who was admitted with dyspnoea on exertion after undergoing thymic carcinoma resection 17 years ago. Chest computed tomography showed a heterogeneous mass in the anterior mediastinum and compression of the right ventricle, and pulmonary artery. Right cardiac catheterisation revealed pulmonary hypertension that was relieved after resection of the diagnosed CEH mass. This report highlights the mechanism underlying anterior mediastinal CEH-induced stenotic compression of the right ventricle-pulmonary artery outflow and subsequent pulmonary hypertension.
Bibliography:ObjectType-Case Study-2
SourceType-Scholarly Journals-1
ObjectType-Feature-4
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ObjectType-Report-1
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Correspondence to Shinsuke Kitahara, caua3428@chiba-u.jp
ISSN:0918-2918
1349-7235
DOI:10.2169/internalmedicine.0433-22