Sao Paulo Medical Journal
On-line version ISSN 1806-9460
RAMALHO, Antônio Roberto Oliveira et al. Hemosiderotic fibrohistiocytic lipomatous lesion: case report and review of the literature. Sao Paulo Med. J. [online]. 2009, vol.127, n.3, pp. 174-176. ISSN 1806-9460. http://dx.doi.org/10.1590/S1516-31802009000300012.
CONTEXT: Lesions of the adipose tissue are the most common type of soft-tissue lesion among adults. CASE REPORT: We describe the case of a 33-year-old female patient with a soft-tissue lesion in her left knee that was diagnosed as a hemosiderotic fibrohistiocytic lipomatous lesion. This type of lesion, which was described for the first time in 2000, preferentially affects the ankle region of middle-aged women with a history of previous local trauma. Lesion recurrence is common, caused by incomplete resection, although there have not yet been any reports of metastases. After a review of the literature, we describe the clinical, radiological, morphological and immunohistochemical characteristics, along with their main differential diagnoses.
Keywords : Hemosiderin; Histiocytes; Soft tissue neoplasms; Lipoma; Venous insufficiency.