Parosteal lipoma of the thigh with cartilaginous and osseous differentiation: an osteochondrolipoma

Rau, Tilman T.; Söeder, Stephan; Olk, Alexander; Aigner, Thomas

doi:10.1016/j.anndiagpath.2006.03.009

Cited by 28 publications

(38 citation statements)

References 20 publications

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“…10 Differential diagnostic considerations presented by Resnick 11 for benign and malignant soft tissue masses that occur in the lower extremity in individuals aged 46 to 65 years are included in Table 1. Given the patient's history of breast carcinoma, metastasis to soft tissue from recurrence was included in the differential diagnosis.…”

Section: Discussionmentioning

confidence: 99%

A case report of an intermuscular lipoma: presentation, pathophysiology, differential diagnosis

Kaeser

Smith²,

Kettner

2010

Journal of Chiropractic Medicine

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Section: Discussionmentioning

confidence: 99%

A case report of an intermuscular lipoma: presentation, pathophysiology, differential diagnosis

Kaeser

Smith²,

Kettner

2010

Journal of Chiropractic Medicine

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“…In addition, bone and cartilaginous components may represent a metaplastic process of a preexisting lipoma [9,12,24,25]. The origin of chondrolipomas and osteolipomas from pluripotent cells seems attractive [30]. In vitro studies and experiments using animal models have shown a multidirectional diVerentiation capacity of stem cells derived from mature adipose tissue [31,32].…”

Section: Discussionmentioning

confidence: 99%

Lipomas of the oral cavity: clinical and histopathologic study of 41 cases in a Brazilian population

Juliasse

Nonaka

Pinto

et al. 2009

Eur Arch Otorhinolaryngol

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This study evaluated the clinical and histopathologic aspects of 41 cases of oral lipomas diagnosed in a Brazilian population. All records from patients diagnosed with oral lipoma between 1970 and 2008 were reviewed. Histological sections were evaluated by light microscopy. There was a predominance of females (2.4:1), with a peak incidence between the sixth and seventh decade. The buccal mucosa was the most aVected site (53.7%), followed by the buccal sulcus (14.6%) and tongue (9.8%). Tumor size ranged from 0.5 to 10 cm and the mean reported duration was 48 months. Histologically, the following variants were identiWed: lipoma (41.5%), Wbrolipoma (34.1%), spindle cell lipoma (9.8%), sialolipoma (9.8%), osteolipoma (2.4%), and chondrolipoma (2.4%). Most tumors were well delimited, irrespective of the variant. Lipomas are rare tumors of the oral cavity. The characterization of new variants, such as sialolipomas, and the identiWcation of histological subtypes in already known variants, such as low-fat and fat-free spindle cell lipomas, highlight the importance for careful microscopic evaluation of these tumors, which might be combined with immunohistochemistry in some cases.

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“…However, as foci of cartilaginous differentiation were observed, we favored an osteochondrolipoma. This attractive term was coined by Rau et al [7] to describe an ossifying parosteal lipoma of the thigh with cartilaginous differentiation, and used by Gru et al [20] to describe a subcutaneous osteolipoma with chondroid differentiation. It accurately describes the composition of the tumor, independently of its localization, and remains a benign adipocytic neoplasm that usually does not recur after complete excision.…”

Section: Discussionmentioning

confidence: 99%

“…Woven bone with rims of osteoblasts and osteoclasts were occasionally seen, as well as patchy cartilaginous areas, sometimes associated with endochondral ossification. Many of these bone spicules were of desmal-type ossification (typically seen in heterotopic bone formation [7]) surrounded on one of their surfaces by periostum-like plaques of fibro-myxoid mesenchymal tissue. No lipoblasts and no mitoses were seen.…”

Section: Case Reportmentioning

confidence: 99%

Osteochondrolipoma of the Submandibular Region: A Case Report and Review of the Literature

Soulard

Nguyễn

Souraud

et al. 2012

Head and Neck Pathol

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Lipoma is an extremely common and ubiquitous benign soft tissue tumor composed of mature adipose tissue, with frequent differentiation towards other mesenchymal elements such as blood vessels, fibrous tissue, or muscle. They are typically slow-growing, encapsulated, superficial or deep, and have a wide range in size depending on their location. The presence of cartilage or bone is very rare, with most reported cases in the head and neck area. We report the case of an osteochondrolipoma of the submandibular region with associated benign bone marrow elements, with a review of the literature and discussion of the differential diagnosis.

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Parosteal lipoma of the thigh with cartilaginous and osseous differentiation: an osteochondrolipoma

Cited by 28 publications

References 20 publications

A case report of an intermuscular lipoma: presentation, pathophysiology, differential diagnosis

A case report of an intermuscular lipoma: presentation, pathophysiology, differential diagnosis

Lipomas of the oral cavity: clinical and histopathologic study of 41 cases in a Brazilian population

Osteochondrolipoma of the Submandibular Region: A Case Report and Review of the Literature

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