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EJMCR. 2022; 6(8): 144-146

Dumbbell shaped giant intramuscular pelvic lipoma: a rare cause of sciatic nerve compression

Rohit Jindal, Pinakin Patel, Suresh Singh, Arpita Jindal.

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Background: Lipoma is a common benign mesenchymal tumor that is typically located in the subcutaneous tissue and rarely symptomatic. Sciatica can be a result of various etiologies but a giant intramuscular pelvic lipoma causing sciatic nerve compression is rare, with not more than 10 cases reported so far in the literature.
Case Presentation: We report a case of a 36-year-old female who presented with a complaint of gradually worsening sciatica for 6 months. Magnetic resonance imaging showed a large well-defined intramuscular dumbbell-shaped mass in the right gluteal region, herniating through the sciatic foramen into the pelvis. After successful resection of the mass transabdominally, the histopathological examination confirmed the diagnosis of a benign lipoma. The patient improved gradually thereafter and is asymptomatic since then.
Conclusion: Our case not only describes the appropriate diagnosis and surgical management of this common benign entity with a rare location and even rarer clinical presentation but also creates a paradigm for future insight into the effective management of such a patient.

Key words: Pelvic lipoma, dumbbell shaped, sciatica, intramuscular, liposarcoma.

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