The Clinical Picture

A lump on the hip

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References

MANAGEMENT APPROACH

Aspiration of a fluid-filled mass is useful in both diagnosis and management of Morel-Lavallée lesions. Treatment includes watchful waiting; compression and pressure wraps; injection of a sclerosing agent (eg, doxycyline, alcohol); needle aspiration; percutaneous drainage with debridement, irrigation, and suction; and incision and evacuation. 6

The approach to treatment depends on the stage of the lesion and whether an underlying fracture is present. Depending on the amount of blood and lymphatic products and the acuity of the collected fluid (hours to days post-trauma), aspiration with a large-bore needle (eg, 14 to 22 gauge) may or may not be successful. 7 In general, traumatic serosanguinous fluid collections are less painful and resolve faster than well-formed coagulated hematomas.

Patients who have a large lesion, significant pain, or decreased range of motion should be referred to an orthopedic surgeon.

Our patient was managed conservatively, and his symptoms completely resolved in 2 months.

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