Parosteal lipoma with enlarging osteochondroma

Demos, TC; Bruno, Ernesto; Armin, Ali-Reza; Dobozi, WR

doi:10.2214/ajr.143.2.365

Cited by 28 publications

(24 citation statements)

References 5 publications

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“…Reactive bone formation is very rare in parosteal lipomas. Of the approximately 150 cases of parosteal lipoma reported previously in the literature, 26 have presented with cortical hyperostosis, as in our case [1,2,3,4,5,6,7,8,9,10].…”

Section: Discussionmentioning

confidence: 64%

“…To the best of our knowledge, MRI, as well as CT, findings of parosteal ossifying lipoma have only been reported in 12 cases [1,4,6,7,10], whereas there are three other cases studied with plain radiograms and CT alone [5,8,9].…”

Section: Discussionmentioning

confidence: 98%

“…Bony component of a parosteal ossifying lipoma can be mistaken for an osteochondromatous exostosis [9]; however, spiculated periosteal thickening lacks contiguity of adjacent cortex and medulla as described in osteochondromas. Histologically, nodules of metaplastic cartilage which show enchondral ossification can be observed within the body of some parosteal lipomas [7].…”

Section: Discussionmentioning

confidence: 99%

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Quiz case of the month

et al. 2000

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A 39-year-old woman presented with a big mass on her left thigh, of 4-year duration. The mass had slowly increased in size and was associated with slight pain for the past 6 months. She denied a history of trauma. Phys-ical examination revealed a big, round, fixed mass on the lateral side of the mid-portion of the left thigh. Palpation did not elicit pain, nor were there inflammatory signs on the overlying skin.Plain radiograms, CT and MR were performed (Figs. 1, 2, 3).

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Section: Discussionmentioning

confidence: 64%

Section: Discussionmentioning

confidence: 98%

Section: Discussionmentioning

confidence: 99%

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et al. 2000

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“…The ossifying variant is a parosteal lipoma with a periosteal reaction of varying intensity. This ossifying form has been confused on occasion with an osteochondroma [15]. The bony reaction is always present if carefully sought on imaging [16].…”

Section: Discussionmentioning

confidence: 99%

Parosteal osteoliposarcoma: A new bone tumor (from imaging to immunophenotype)

Larousserie¹,

Chen²,

Ding³

et al. 2013

European Journal of Radiology

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“…lesions [3,8,11,22,24,27]. Parosteal lesions are unusual and are reported to represent 0.3% of all lipomas [13,22].…”

Section: Pathological Studiesmentioning

confidence: 99%

Case report 774

1993

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The parosteal lipoma is a rare but recognizable lesion. The combination of (a) a well-defined, radiolucent, soft-tissue mass that on CT is confirmed to be entirely composed of homogenous mature adipose tissue and (b) an osseous excresence and/or saucerization at the attachment of the soft-tissue mass to the subjacent cortex should be diagnostic. We were unable to find any other case report of a parosteal lipoma coexisting with another lipoma in the same individual.

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Parosteal lipoma with enlarging osteochondroma

Cited by 28 publications

References 5 publications

Quiz case of the month

Quiz case of the month

Parosteal osteoliposarcoma: A new bone tumor (from imaging to immunophenotype)

Case report 774

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