Mazabraud's syndrome: A case report supported by molecular studies and review of the literature

Autor: Ludvík Kašpar, Jan Balko, Martina Strnadová, Lenka Krsková, David Máška, Josef Zámečník
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Bone Reports, Vol 18, Iss , Pp 101685- (2023)
Druh dokumentu: article
ISSN: 2352-1872
DOI: 10.1016/j.bonr.2023.101685
Popis: Mazabraud's syndrome represents rare benign disorder characterized by simultaneous occurrence of fibrous dysplasia of bone and intramuscular myxomas within surrounding soft tissue. Mutations of GNAS1 gene were proven to be causative for this condition. Here, we present a case report of a patient with unusual manifestation of this disease, who developed a pathological fracture of the femur in the setting of monostotic fibrous dysplasia. The intramuscular myxoma of the thigh was discovered during the following orthopedic operation, where the intraoperative diagnosis became a pitfall of the case, as the intramuscular myxoma was initially diagnosed as a low-grade sarcoma from the frozen section. Apart from clinical findings, the diagnosis of Mazabraud's syndrome was further proven by histopathological evaluation and molecular studies of GNAS1 gene. This case raises awareness of such condition as it can easily become a diagnostic pitfall.
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