Asymptomatic Costal Exostosis with Thickening in the Pericardium: a Case Report

Overview

Journal J Cardiothorac Surg

Publisher Biomed Central

Specialties Cardiology & Vascular Diseases
General Surgery
Pulmonary Medicine

Date 2016 Mar 7

PMID 26946299

Citations 3

Authors

Toru Kameda

Takashi Makino

Takamitsu Sakai

Satoshi Koezuka

Hajime Otsuka

Yoshinobu Hata

Naobumi Tochigi

Kazutoshi Shibuya

Akira Iyoda

Affiliations

Soon will be listed here.

Abstract

Background: Costal exostosis is a benign condition that sometimes requires emergent surgery because of associated hemothorax; in addition, there have been cases with malignant transformation to chondrosarcoma. Here, we describe an asymptomatic patient who underwent thoracoscopic resection for primary costal exostosis.

Case Presentation: A 16-year-old male was found to have a bow-shaped shadow on a chest X-ray. Chest computed tomography revealed a rod-like mass with a soft tissue shadow adjacent to the left fifth rib. A thoracoscopic partial resection of the left fifth rib was performed. Intraoperative findings included thickening of the pericardium near the tip of the growth and erosion of the visceral pleura of the left lung. The resected specimen was diagnosed as a primary costal exostosis based on histopathological findings.

Conclusions: We review the published literature on costal exostosis and discuss the surgical indications of asymptomatic cases.

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