I think you can know that this is a thalamic stroke rather than cortical because a cortical stroke occurring only in the postcentral gyrus (primary sensory cortex) and involving the entire homunculus without affecting the nearby precentral gyrus (primary motor cortex) is very unlikely.
submitted by tinydoc(60), 2019-05-28T23:19:44Z
Neuropathic Pain after stroke is central Post stroke pain Syndrome
caused by contralateral thalamic lesions
Pg. 504 FA19