A patient presents with hyperacusis, loss of lacrimation and loss of taste sensation in the anterior 2/3rd of the tongue. 
Inflammation extends up to which level of facial nerve
• If facial nerve inflammation extends proximal to geniculate ganglion, the clinical features are: Loss of lacrimation (later may present with crocodile syndrome); hyperacusis (loss of stapedial reflex); decreased salivation and loss of taste sensation on anterior 2/3rd tongue; paralysis of muscles of facial expression.
Vertical part
Vertical part proximal to nerve to stapedius
Vertical part and beyond nerve to stapedius
Proximal to geniculate ganglion