Not seen in carpal tunnel syndrome
Carpal tunnel syndrome is compression of medial nerve below flexor retinacalum. Palmar cutaneous branch is given before median nerve pierces below flexor retinacalum and hence no loss of sensation on lateral 3⅓ of palm.
Pain of medial 3 fingers
Ape thumb deformity
Symptoms worsen at night
Sensory loss on lateral 3½  of palm