Charak Samhita
यस्य पित्तं प्रकुपितं शङ्खयोरवतिष्ठते। श्वयथुः शङ्खको नाम दारुणस्तस्य जायते ॥२६॥
॥ Shankhaka॥ When a vitiated pitta inhabits the temporal regions of the head, severe and fatal swellings known as shankhaka (saggital sinus thrombosis/ intracranial growth/ temporal arteritis) are caused.
english translation
yasya pittaM prakupitaM zaGkhayoravatiSThate। zvayathuH zaGkhako nAma dAruNastasya jAyate ॥26॥
hk transliteration by Sanscript