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Am Fam Physician. 2021;104(1):9

Original Article: Hip Pain in Adults: Evaluation and Differential Diagnosis

Issue Date: January 15, 2021

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To the Editor: We applaud Dr. Chamberlain for the outstanding review of the evaluation and differential diagnosis of hip pain. We have found that many family medicine residents are uncomfortable with the evaluation and examination of hip pathology. Dr. Chamberlain did an excellent job delineating anatomic locations, dynamic testing, and considerations for anterior, lateral, and posterior hip locations. We suggest that lateral femoral cutaneous nerve entrapment (i.e., meralgia paresthetica) be included in the differential diagnosis.1 Lateral femoral cutaneous nerve entrapment is a common clinical entity that presents as hip pain. It is treatable if physicians are familiar with lateral femoral cutaneous nerve anatomy and ultrasound location. This injury is amenable to nerve hydrodissection guided by point-of-care ultrasonography because it courses over the proximal sartorius muscle. Corticosteroids and dextrose prolotherapy have been successfully used for years to avoid surgical management. Most patients are treated successfully with one or two injections.2

Editor's Note: This letter was sent to the author of “Hip Pain in Adults: Evaluation and Differential Diagnosis,” who declined to reply.

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This series is coordinated by Kenny Lin, MD, MPH, deputy editor.

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