患者女,52岁,右上腹、右肩部疼痛不适半年余,加重1周。患者高血压史2年,间断服药,血压控制120~150/80~90 mmH g。体检:腹软,腰部无隆起及压痛,双肾区无叩击痛,全身毛发分布正常。实验室检查:血、尿常规、肿瘤标记物均正常,血浆醛固酮99.23 pg/ml,血浆皮质醇6.04μg/dl,促肾上腺皮质激素(ACTM)<5.00 pg/ml,均在正常范围。影像检查:B超提示肝肾间隙见大小约6.2 cm×5.8 cm不均质低回声团,形态欠规则,内部未探及血流,考虑右肾上 Female patient, 52 years old, right upper quadrant, right shoulder pain discomfort for more than six months, an increase of 1 week. Hypertension in patients with history of 2 years, intermittent medication, blood pressure control 120 ~ 150/80 ~ 90 mmH g. Physical examination: abdominal soft, no lumbar and tender waist, no perineal percussion pain, normal body hair distribution. Laboratory tests: Blood, urine, and tumor markers were normal. Plasma aldosterone 99.23 pg / ml, plasma cortisol 6.04μg / dl and ACTH <5.00 pg / ml were in the normal range. Image examination: B-ultrasound showed that the size of the liver-kidney gap about 6.2 cm × 5.8 cm heterogeneous hypoechoic group, the shape of the rules, the internal did not explore and blood flow, consider the right kidney