Journal of

Case Reports and Images in Pathology

 
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Case Report
 
Chondroid lipoma: A rare recently described benign lipomatous tumor
Salman T. Al-Malki1, Abdullah S. Al-Khamiss1
1Department of Pathology, King Fahad Medical City, Riyadh, Saudi Arabia.

Article ID: 100002Z11SA2015
doi:10.5348/Z11-2015-2-CR-2

Address correspondence to:
Abdullah Saleh Al-Khamiss
Department of Pathology
King Fahad Medical City
Al-Olaya, Khurais road, Riyadh city, Riyadh region
Kingdom of Saudi Arabia
Phone: 00966-506-13-9201

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How to cite this article:
Al-Malki ST, Al-Khamiss AS. Chondroid lipoma: A rare recently described benign lipomatous tumor. J Case Rep Images Pathol 2015;1:7–11.


Abstract
Introduction: lipomatous tumors group is a group of tumors containing both benign and malignant neoplasm, that sometimes have some morphological overlapping. Chondroid lipoma is one of the rare benign lipomatous tumors that have been described recently. Although it is benign in nature, its microscopic picture is mimicking some of the malignant tumors, especially myxoid liposarcoma.
Case Report: A 51-year-old female presented with a mass arising on her right thigh. This mass grew slowly during the several months ago. Radiologically, it was described as a well-circumscribed benign mass with scanty fatty component. Surgical excision and primary closure was performed for the patient. Histopathological examination demonstrated a well-circumscribed mass formed by cords and nests of lipoblasts and lipocytes embedded in a prominent myxoid to hyalinized chondroid matrix. A panel of immunohistochemical (IHC) stains had been done. From the clinical, radiological, and pathological information, the diagnosis of chondroid lipoma was made.
Conclusion: This case is considered a rare variant of lipoma and easily can be misdiagnosed as myxoid liposarcoma or extra-skeletal myxoid chondrosarcoma. So, the pathologist should be aware of this entity when he/she comes across such cases.

Keywords: Lipoma, Chondroid lipoma, Myxoid liposarcoma, Extra-skeletal chondrosarcoma


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Author Contributions
Salman T. Al-Malki – Substantial contributions to conception and design, Acquisition of data, Analysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published.
Abdullah S. Al-Khamiss – Substantial contributions to conception and design, Acquisition of data, Analysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published.
Guarantor of submission
The corresponding author is the guarantor of submission.
Source of support
None
Conflict of interest
Authors declare no conflict of interest.
Copyright
© 2015 Salman T. Al-Malki et al. This article is distributed under the terms of Creative Commons Attribution License which permits unrestricted use, distribution and reproduction in any medium provided the original author(s) and original publisher are properly credited. Please see the copyright policy on the journal website for more information.



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