Meralgia Paresthetica: This condition is characterized by numbness, tingling, or burning sensations in the outer thigh, often caused by compression of the lateral femoral cutaneous nerve. The absence of pain and the specific location of the paresthesias make this a likely diagnosis.

Lumbar Radiculopathy: Compression or irritation of the nerve roots in the lumbar spine can cause paresthesias in the hip area. Although typically accompanied by pain, some cases might present with isolated sensory symptoms.
Peripheral Neuropathy: Conditions affecting the peripheral nerves, such as diabetes or vitamin deficiencies, can lead to paresthesias in various parts of the body, including the hip.
Femoral Neuropathy: Direct injury or compression of the femoral nerve can cause paresthesias in the hip and thigh area.

Abdominal Aortic Aneurysm: Although less common, an abdominal aortic aneurysm can compress or embolize nerves, leading to paresthesias. This condition is life-threatening and requires immediate attention.
Spinal Cord Compression: Conditions like spinal stenosis, tumors, or abscesses can compress the spinal cord, leading to paresthesias among other symptoms. Early diagnosis is crucial to prevent permanent neurological damage.
Diabetic Amyotrophy: A complication of diabetes that can cause severe pain, muscle weakness, and paresthesias, typically in the hip and thigh area.

Neurosyphilis: A rare condition caused by syphilis infection of the nervous system, which can lead to a variety of neurological symptoms, including paresthesias.
Vasculitis: Inflammation of the blood vessels can affect nerve supply, leading to paresthesias. Conditions like giant cell arteritis or polyarteritis nodosa are rare but should be considered in the differential diagnosis.
Tumors: Rarely, tumors (either primary or metastatic) affecting the nerves or spinal cord can cause paresthesias.