A case of a myxoma within the obturator externus muscle

Intramuscular myxomas (IM) are rare benign tumors of mesenchymal origin. These tumors have a high myxoid content and a nonspecific radiologic appearance. Here we describe the case of a patient with an IM in an infrequent location; within the obturator externus muscle. A singular approach was utilized for the resection of this tumor in such rare location.Despite IM being benign tumors, patients may require a surgical excision due to the difficulty of differentiating these tumors, with unreliable imaging features, from other myxoid soft tissue masses. Keywords: Intramuscular myxoma, Myxoid neoplasm, Obturator externu

Recurrent parachordoma of the lower back: A case report

Parachordoma is a rare entity with less than 50 cases described in the literature. This soft-tissue tumor resembles chordomas as well as extraskeletal myxoid chondrosarcomas and has only recently been fully characterized. Here we describe the case of a patient with a lower back parachordoma and its subsequent postresection recurrence 9 years after the initial procedure, emphasizing the importance of long-term follow-up in individuals with this diagnosis. Keywords: Recurrent parachordoma, Chordoma periphericum, Chordoid sarcom