Intraosseous Lipoma Occurring in the Humerus

Intraosseous lipoma accounts for only 0.1% of all bone tumors. We treated a 33-year-old male with this bone tumor of the humerus. He had complaind of right shoulder pain. Radiographs of the shoulder showed a well-defined lytic lesion in right proximal humeral metaphysis. Its border was sclerotic and...

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Published inOrthopedics & Traumatology Vol. 47; no. 2; pp. 511 - 513
Main Authors Nishii, Akihiro, Ishinishi, Shigeru, Matsubara, Yoshihiro, Ushijima, Masahiro, Morooka, Takaaki
Format Journal Article
LanguageEnglish
Published West-Japanese Society of Orthopedics & Traumatology 1998
Subjects
Humerus
Intraosseous Lipoma
MRI
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ISSN0037-1033
1349-4333
DOI10.5035/nishiseisai.47.511

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Summary:Intraosseous lipoma accounts for only 0.1% of all bone tumors. We treated a 33-year-old male with this bone tumor of the humerus. He had complaind of right shoulder pain. Radiographs of the shoulder showed a well-defined lytic lesion in right proximal humeral metaphysis. Its border was sclerotic and the lesion had a central calcific dencity. Computed tomography (CT) showed lipo-density in the aera. Magnetic resonance image (MRI), on the T1 and T2 weighted images was also compatible with adipose tissue. This tumor showed no enhancement after administration of gadolinium. Histological analysis revealed mature lipocytes. We emphasize that MRI examination is useful for preoperative diagnosis.
ISSN:0037-1033
1349-4333
DOI:10.5035/nishiseisai.47.511