Thunderclap headache without hypertension in a patient with pheochromocytoma

Table 1 Previously reported cases of TCH with pheochromocytoma

References	Age (years)	Sex	Headache	Associated symptoms	Hypertension
Sanyal and Fletcher [6]	45	Male	Sudden, short, excruciating	Pulsating sensation in abdomen and chest	+
Heo et al. [4]	45	Female	Explosive, pulsatile, worst of her life	None	+
Im and Kim [3]	37	Male	Sudden, pulsating, worst of his life	Sweating, conjunctival injection, restlessness	+
This case	33	Female	Sudden, pulsatile, worst of her life	Palpitations	−

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