Apical lung tumor causes
Apical lung cancer/ Pancoast tumor causes - 2deg neuron injury (Preganglionic sympathetic fibres) I/L horner syndrome (Cervical sympathetic chain and ganglion involved) Loss of sweating on same side of face 1deg sympathetic neuron injury occurs in Wallenberg syndrome 2deg sympathetic neuron (preganglionic fibers) injury occurs in Apical lung cancer 3deg sympathetic neuron (postganglionic fibers) injury occurs in Internal carotid aery disection
C/L horner syndrome
Post ganglionic fibres involved
1deg neuron injury
Loss of sweating on same side of face
Neuroanatomy 3