Acute flank abdominal pain as the chief complaint of spontaneous adrenal hemorrhage secondary to metastatic lung cancer

Compared to the frequent occurrence of metastatic tumors of the adrenal glands in autopsy reports, it is rare in clinic.1 Adrenal gland metastases hemorrhages are exceedingly rare in clinic and difficult to diagnose by non-specific symptoms.1e3 To our knowledge, the number of the case reports in spontaneous adrenal hemorrhage secondary to metastatic lung carcinoma is only 28 by the end of 2014.2We present one case inwhich patient was admitted in our medical center as flank acute abdominal pain.