Hypertensive Emergency in a Spontaneous Page Kidney.

Page kidney or Page phenomenon is a rare cause of hypertension that results from external compression of the kidney and renin-angiotensin-aldosterone system activation. Most cases involve trauma as the precipitating factor. Page kidney can result in severe and resistant hypertension that can be challenging to treat. We present a unique case: a patient in hypertensive emergency secondary to Page kidney caused by a spontaneous subcapsular renal hematoma.