Osteochondroma of the Rib Mimicking a Mediastinal Mass: Unexpected Menifestation in Hereditary Multiple Exostoses

Bae, Soochan; Kang, Won Sik; Yoo, Seung Hoon; Cho, Jeong Hyeon; Park, Kyung Won; Lee, Bu Hyun; Baek, Jung Hun; Chung, Jae Ho

doi:10.12701/yujm.2012.29.1.45

Cited by 3 publications

(1 citation statement)

References 7 publications

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“…Extensive rib resections or relatively large tumor resections are often performed with thoracotomy only or by mini-thoracotomy using thoracoscopic-guidance[ 18 ]. Among the cases reviewed by us, five had a tumor measuring ≥ 5 cm, and four were treated by thoracotomy[ 16 , 19 - 22 ] and one with VATS[ 20 ]. However, it seems that there is no correlation between age at the time of operation and operative approach[ 15 ].…”

Section: Discussionmentioning

confidence: 99%

Spontaneous pneumothorax in a 17-year-old male patient with multiple exostoses: A case report and review of the literature

Nakamura¹,

Asanuma²,

Shimamoto³

et al. 2021

WJO

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BACKGROUND Multiple exostoses generally develop in the first decade of life. They most frequently arise from the distal femur, proximal tibia, fibula, and proximal humerus. Costal exostoses are rare, contributing to 1%–2% of all exostoses in hereditary multiple exostoses (HME). They are usually asymptomatic, but a few cases have resulted in severe thoracic injuries. Pneumothorax caused by costal exostoses is rare, with only 13 previously reported cases. We report a new case of pneumothorax caused by costal exostoses. CASE SUMMARY A 17-year-old male with HME underwent surgery for removal of exostoses around his right knee. Four months following the operation, he felt chest pain when he was playing the trumpet; however, he did not stop playing for a week. He was referred to our hospital with a chief complaint of chest pain. The computed tomography (CT) scan revealed right pneumothorax and multiple exostoses in his right ribs. The CT scan also revealed visceral pleura thickness and damaged lung tissues facing the exostosis of the seventh rib. We diagnosed that exostosis of the seventh rib induced pneumothorax. Costal exostosis resection was performed by video-assisted thoracoscopic surgery (VATS) 2 wk after the onset. The patient’s postoperative course was uneventful, and there was no recurrence of pneumothorax for 2 years. CONCLUSION Costal exostoses causing thoracic injuries should be resected regardless of age. VATS must be considered in cases with apparently benign and relatively small exostoses or HME.

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