Radiologic Findings of Intraosseous Lipoma of Long Bones

Kim, Ju Won; Kim, Sin Joong; Kim, Go Eun; Ki, So Yeon; Lee, Seung Jin; Park, Jin Gyoon

doi:10.3348/jksr.2016.75.4.313

Cited by 2 publications

(3 citation statements)

References 24 publications

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“…2) The distribution of Milgram stages vary across studies. 2 3 7) In our study, stage III was most common, seen in 13 cases, stage II was noted in one case and stage I, in seven cases.…”

Section: Discussionsupporting

confidence: 46%

“…Compared with previous studies, there was no notable difference in terms of sex distribution, age, and anatomical locations. However, there were differences among studies 2 3 6 7) probably due to differences in diagnostic methods (histological/radiological confirmation) and the development of imaging studies which may have resulted in the decrease in histological confirmation.…”

Section: Discussionmentioning

confidence: 99%

“…Contrary to previous studies centered on radiological findings and degree of histological degeneration, 2 6 7) this study focuses on radiographic and clinical characteristics of intraosseous lipoma. We reviewed intraosseous lipomas treated at our institution to elucidate the clinical and radiological characteristics and investigated the correlations between the stage of the lesion and clinical symptoms.…”

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confidence: 99%

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Intraosseous Lipoma: 18 Years of Experience at a Single Institution

Kang

Park

et al. 2018

Clin Orthop Surg

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BackgroundIntraosseous lipoma is a very rare lesion that constitutes no more than 0.1% of all bone tumors. We analyzed 21 cases of intraosseous lipoma at a single institution for clinical and radiographic characteristics.MethodsA retrospective study was performed on 21 pathologically confirmed intraosseous lipomas treated in our hospital from 2000 to 2017. Simple X-ray and magnetic resonance imaging findings and medical records were reviewed. Patients' age, sex, and clinical symptoms were investigated. From the radiographic images, the site of the lesion, calcification, bony expansion, and stage of the lesion were evaluated. Correlations between the degree of involution and clinical symptoms were analyzed.ResultsThe mean age of patients was 50 years (range, 20 to 67 years), and there were 13 males and eight females. The mean lesion size was 6.1 cm (range, 2.5 to 13.6 cm). The most common anatomical site of the lesion was the femur (seven cases), and three cases occurred in flat bones such as the ilium and scapula. Visual analogue scale score for pain was 3 to 6 in 15 patients. There were no complaints of functional limitation. There was no correlation between the degree of degeneration and clinical symptoms (p = 1.000). Curettage was performed as a surgical treatment in 20 patients, and bone graft was performed using a bone chip. Excision was performed in one patient. Pain was resolved in seven of 11 patients with a complaint of preoperative pain; intermittent pain remained in four cases. There was no local recurrence or malignant change during the follow-up.ConclusionsThere was no correlation between the degree of degeneration and clinical symptoms. Pain was the most common clinical symptom, but it was rarely accompanied by functional limitation. However, it is important to distinguish it from other pain-inducing disorders. The incidence of intraosseous lipomas is low, and detection based on various imaging findings can be difficult. Clear understanding of the radiographic findings and symptoms of intraosseous lipoma is helpful for diagnosis and differentiation.

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“…2) The distribution of Milgram stages vary across studies. 2 3 7) In our study, stage III was most common, seen in 13 cases, stage II was noted in one case and stage I, in seven cases.…”

Section: Discussionsupporting

confidence: 46%