QuestionSBA
QuestionChoice
Incorrect - This patient demonstrates meralgia paresthetica, caused by irritation to the lateral femoral cutaneous nerve, which is supplied by L2 and L3. By contrast, L4 to S1 describes the supply to the superior gluteal nerve. This does not cause meralgia paresthetica.
10008404
e
L4 to S1
QuestionChoice
Incorrect - This patient demonstrates meralgia paresthetica, caused by irritation to the lateral femoral cutaneous nerve, which is supplied by L2 and L3. By contrast, L4 to S3 describes the supply to the sciatic nerve. This does not cause meralgia paresthetica.
10008403
d
L4 to S3
QuestionChoice
Incorrect - This patient demonstrates meralgia paresthetica, caused by irritation to the lateral femoral cutaneous nerve, which is supplied by L2 and L3. By contrast, L1 and L2 is the supply for the genitofemoral nerve. Damage to the genitofemoral nerve can cause symptoms such as groin pain, paraesthesia, and a burning sensation spreading from the lower abdomen to the medial aspect of the thigh. It does not cause meralgia paresthetica.
10008401
b
L1 and L2
QuestionChoice
Correct - This patient demonstrates meralgia paresthetica, caused by irritation to the lateral femoral cutaneous nerve. It is characterised by a tingling, numbness, or burning sensation in the outer thigh. The lateral femoral cutaneous nerve is supplied by L2 and L3, making this the correct answer.
10008400
a
L2 and L3
QuestionChoice
Incorrect - This patient demonstrates meralgia paresthetica, caused by irritation to the lateral femoral cutaneous nerve, which is supplied by L2 and L3. By contrast, S1-S3 describes the supply for the posterior femoral nerve. This does not cause meralgia paresthetica.
10008402
c
S1 to S3
Concept
Chapter
2693
3780
Dermatomes
Topic
141
Neurology
14227
A 36-year-old man attends the GP surgery with a tingling sensation on the outer aspect of his left thigh. He denies a history of trauma, although notes that he often wears underwear that is a little tight.

Which of the following spinal nerve roots are implicated in this condition?
a