Elderly women, left waist discomfort more than half a year, please diagnose!

Department ofUrologypatients, female, 71-year-old"Main complaint"left lumbar discomfort for more than half a year, aggravated January"current medical history"patients six months ago no obvious cause of left waist pain discomfort, no obvious urinary rapid urinary pain and other discomfort, no obvious eye blood, no obvious"assisted examination"
the full abdominal multi-row CT flat sweep and three-phase enhanced?discussioncomment: left peritoneal, left kidney, spleen door area of more soft tissue lumps, mild reinforcement, internalblood vesselsfloating signsConsiderlymphomahighly likelyDifferential diagnosis: 1, renal cell carcinoma 2, renal metastatic tumorpostoperative pathology: diffuse large B cell lymphoma:to see left kidney occupation in the upper left kidney, size about 10x6x5cm, left kidney position and surrounding tissue adhesion obviously, invasion of the spleen, gastric bend, pancreatic tailof kidney lymphoma
More common in middle-aged and elderly patients, clinical manifestations are not specific, can be shown as fever, wasting, back pain, dizziness, loss of appetite, weight loss, blood urine and night sweatsCT flat sweep: the lesions are dense, the density is relatively uniform, no obvious cystic necrosis; flat sweepist is equal, low or slightly dense, round or irregular, part of the lesions along the surface of the nephrotic matter or the kidney cortex crawl ingeluon, wrapped around the kidney cortexMRI flat sweep: T1WI is low, low or slightly high signal, T2WI is equal or low signal, DWI is high signal, tumor signal uniform, necrosis is rare, no envelopeCT and MRI enhancement: renal lymphoma is mostly less vascular tumor, dynamic enhancement is more light moderate sexual delay reinforcement, shows "vascular floating signs", generally does not appear renal water, even if the kidney door is wrapped in tumors, the blood supply and excretion of the kidneys are less affecteddifferential diagnosis: 1, renal cell carcinoma 2, renal metastatic tumorSource: