Differential Diagnosis for Left Lateral Hip Pain with Burning Down Lateral Edge to Knee
- Single Most Likely Diagnosis
- Trochanteric Bursitis: This condition is characterized by inflammation of the bursa located over the greater trochanter of the femur, leading to pain and tenderness on the lateral aspect of the hip that can radiate down the lateral thigh to the knee. The symptoms described match closely with those of trochanteric bursitis, making it a prime candidate for the single most likely diagnosis.
- Other Likely Diagnoses
- Piriformis Syndrome: This condition involves the piriformis muscle compressing the sciatic nerve, leading to pain in the buttocks and hip area that can radiate down the back of the leg. While the pain pattern can vary, it often includes the lateral aspect of the thigh and can extend to the knee, making it a plausible diagnosis.
- Lateral Femoral Cutaneous Nerve Entrapment (Meralgia Paresthetica): This condition is characterized by entrapment of the nerve that supplies sensation to the lateral thigh, leading to burning pain, numbness, or tingling in the area it innervates. The symptoms can sometimes extend down towards the knee, although this is less common.
- Iliotibial (IT) Band Syndrome: This condition involves inflammation of the iliotibial band, a ligament that runs down the outside of the thigh from the hip to the knee. It can cause pain and swelling on the lateral aspect of the thigh and knee, especially in runners or cyclists, making it a possible diagnosis for individuals with a history of such activities.
- Do Not Miss Diagnoses
- Hip Fracture: Although less likely, a hip fracture (especially an occult fracture) could present with pain in the lateral hip area, especially in older adults or those with osteoporosis. Missing this diagnosis could lead to significant morbidity.
- Avascular Necrosis of the Femoral Head: This condition involves the death of bone tissue due to a lack of blood supply and can cause hip pain that may radiate down the thigh. It's a critical diagnosis not to miss due to its potential for severe and irreversible damage if not treated promptly.
- Infection or Abscess: Infections in the soft tissues or bone around the hip can cause severe pain and have serious consequences if not treated. Although less common, they are critical not to miss.
- Rare Diagnoses
- Neoplastic Processes: Tumors, either benign or malignant, in the bone or soft tissues around the hip can cause pain. These are less common but should be considered, especially if the pain is persistent and unexplained by more common causes.
- Chronic Regional Pain Syndrome (CRPS): A condition characterized by persistent burning pain and hypersensitivity, usually following an injury. It's rare but can affect the hip and thigh area, leading to severe disability if not recognized and managed appropriately.