Chondroblastoma of the costal wall: a rare neoplastic phenomenon. case report and literature review

Journal: Advances in Medicine and Engineering Interdisciplinary Research DOI: 10.32629/ameir.v4i1.4931

Juan Carlos Araujo-Cuauro1, Milagros Sánchez De Rosales2

1. Thoracic Surgery Unit, Dr. Adolfo Pons Hospital, Bolivarian Republic of Venezuela
2. University of Zulia, Maracaibo, Bolivarian Republic of Venezuela

Abstract

The chondroblastoma is a rare benign bone tumor that typically arises in the epiphysis. Few cases of rib chondroblastoma have been reported in the literature. Clinical case: We describe a case of a 46-year-old male patient with chondroblastoma located in the left anterior 7th rib. The high-resolution computed tomography demonstrated a tumor in the 7th costal rib, a well-defined oval lesion measuring 110 mm x 100 m x 59 mm in the transverse and the anteroposterior diameters, with an area of lytic bone destruction, with no evidence of tissue extension adjacent soft tissue. Although the costal chondroblastoma are very rare neoplasms, they should be included in the differential diagnosis when they are found with an aggressive costal mass and the histological confirmation should be performed. The biopsy was performed with a 14 G core needle of the tumor lesion. The pathological and immunohistochemical examination made the diagnosis of chondroblastoma. A systematic review of the literature was carried out which showed that the chondroblastoma can affect people of all ages, but it is more common in children and young adults. Despite the patient not having had surgery, the surgical resection is the treatment of choice. Conclusion: The costal chondroblastomas are very rare and appear to be aggressive on imaging findings; with soft tissue extension, thin sclerotic border and the bone destruction.

Keywords

rib; chondroblastoma; bone tumor; biopsy; tomography

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