Unusual problems in renal hypertension.

Ten cases of renal hypertension with uncommon causes were presented and unusual problems in their diagnosis and surgical management were discussed. These causes included segmental stenosis involving aberrant renal artery, renal artery stenosis in association with renal arteriovenous fistula, postoperative renal hypertension and hypertension secondary to renal tuberculosis. A high index of clinical suspicion and increasing awareness will help in diagnosing such rare and unusual cases of renal hypertension.