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Case Reports
. 2024 Jun 13:48:56.
doi: 10.11604/pamj.2024.48.56.40400. eCollection 2024.

Metastatic myxoid round cell liposarcoma of the buttock: a case report

Niare Ndour  1 , Mamadou Sarr  1 , Assane Diop  1 , Mamadou Diouldé Kanté  2 , Coumba Ndiaye  1 , Astou Diouf  1 , Fatou Diagne  1 , Moussa Diallo  2   3 , Fatimata Ly  1
Affiliations
Case Reports

Metastatic myxoid round cell liposarcoma of the buttock: a case report

Niare Ndour et al. Pan Afr Med J. .

Abstract

Liposarcoma is a rare primitive mesenchymal tumor, developed at the expense of adipose tissue and with a preferential location in the thigh. We report an observation of liposarcoma in the buttock. A 56-year-old man, presented with a tumor of the right buttock for 2 years. Examination revealed an inflammatory, ulcerated tumor in the upper-external quadrant of the right buttock, measuring about 8 cm. Bilateral inguinal adenopathies were associated. The diagnostic hypotheses were: a squamous cell carcinoma, a cutaneous lymphoma, and cutaneous metastases. An anatomical examination confirmed the diagnosis of myxoid round-cell liposarcoma. The extension work-up appeared compatible with secondary pleuropulmonary, hepatic, cutaneous, and lymph node neoplastic localizations. The patient was treated with chemotherapy with the Adriamycin-carboplatin protocol. The evolution was rapidly fatal after a few weeks after the first course of chemotherapy. It should be evoked in front of any ulcerated tumor of the buttock.

Keywords: Myxoid liposarcoma; buttock; case report; metastasis; round cell.

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Conflict of interest statement

The authors declare no competing interest.

Figures

Figure 1
Figure 1
liposarcoma of the buttock. An ulcer of the superior-external quadrant of the buttock, with a purulent background and some necrotic areas
Figure 2
Figure 2
infiltration of the buttock and inguinal region with a large adenopathy
Figure 3
Figure 3
histological image of a myxoid liposarcoma with round cells, pleomorphic
Figure 4
Figure 4
thoracic stage of a CT scan revealed multiple nodules at the upper lobar and bilateral lingular level with a medium lobar macronodule of 39 mm × 18 mm compatible with secondary pulmonary localizations
Figure 5
Figure 5
pelvic stage of a CT scan, axial section, showing the buttock infiltrating the soft tissues of the gluteal region, inguinal adenopathies
See this image and copyright information in PMC

References

    1. Fletcher C, Bridge JA, Hogendoorn PC, Mertens F. WHO classification of tumours of soft tissue and bone: WHO classification of tumours. World Health Organization. 2013;5
    1. Mentzel T, Fletcher CD. Dedifferentiated myxoid liposarcoma: a clinicopathological study suggesting a closer relationship between myxoid and well-differentiated liposarcoma. Histopathology. 1997 May;30(5):457–63. - PubMed
    1. Fletcher CD, Unni K, Mertens F. Pathology and genetics of tumours of soft tissue and bone. IARC press; 2002. World Health Organization classification of tumours.
    1. Weiss SW, Goldblum JR, Folpe AL. Enzinger and Weiss's soft tissue tumors. Elsevier Health Sciences; 2007. Nov 29,
    1. Mordi A, Batoko A, Delteil C. Myxoid liposarcoma of the buttock, 7 year follow-up. Presse Med. 2002;31(20):937. - PubMed

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