Parosteal osteosarcoma of the thumb: A case report and literature review

Rossetti, A; Fily, A.; Dréano, T.; Ropars, M.; Maximen, Julien

doi:10.1016/j.hansur.2022.01.005

Cited by 2 publications

(1 citation statement)

References 14 publications

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“…It has predilection for long bones and is typically metaphyseal in location or, occasionally, diaphyseal or meta-diaphyseal [ 24 ]. Unlike BPOP, parosteal osteosarcoma rarely occurs in the hands [ 25 ] and feet [ 26 ]. Parosteal osteosarcoma presents as a heavily ossified lobular exophytic mass with soft-tissue component, which is denser centrally than at the periphery (Fig.…”

Section: Differential Diagnosismentioning

confidence: 99%

Bizarre parosteal osteochondromatous proliferation: an educational review

et al. 2023

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Bizarre parosteal osteochondromatous proliferation (BPOP) is a surface-based bone lesion belonging to the group of benign chondrogenic tumors. The aim of this review is to familiarize the readers with imaging features and differential diagnosis of BPOP, also addressing pathological presentation and treatment options. The peak of incidence of BPOP is in the third and fourth decades of life, although it can occur at any age. Hands are the most common location of BPOP (55%), followed by feet (15%) and long bones (25%). On imaging, BPOP appears as a well-marginated mass of heterotopic mineralization arising from the periosteal aspect of the bone. Typical features of BPOP are contiguity with the underlying bone and lack of cortico-medullary continuity, although cortical interruption and medullary involvement have been rarely reported. Histologically, BPOP is a benign bone surface lesion characterized by osteocartilaginous proliferation with disorganized admixture of cartilage with bizarre features, bone and spindle cells. Differential diagnosis includes both benign—such as florid reactive periostitis, osteochondroma, subungual exostosis, periosteal chondroma and myositis ossificans—and malignant lesions—such as periosteal chondrosarcoma and surface-based osteosarcoma. Treatment consists of surgical resection. Local recurrences are common and treated with re-excision.Critical relevance statement Bizarre parosteal osteochondromatous proliferation is a benign mineralized mass arising from the periosteal aspect of bone cortex. Multi-modality imaging characteristics, pathology features and differential diagnosis are here highlighted to familiarize the readers with this entity and offer optimal patient care.

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Section: Differential Diagnosismentioning

confidence: 99%