<unk>  (MA)is a rare, benign tumor of the kidney.<unk>  was first described by Brisigotti, Cozzutto et al. in 1992. On gross pathology, a sharply circumscribed, nonencapsulated solitary mass is the characteristic finding of<unk> . On microscopic histopathological analysis, small uniform cells with fine chromatin and smooth nuclear membrane, variable architecture, and psammoma bodies are characteristic findings of<unk> .<unk>  may be caused by the allelic changes of tumor suppressor gene on chromosome 2p13.<unk>  must be differentiated from renal cell carcinoma and Wilm's tumor. The incidence of<unk>  increases with age; the median age at diagnosis is 50-60 years. Females are more commonly affected with<unk>  than males. The female to male ratio is approximately 2 to 1.<unk>  is often asymptomatic. Possible symptoms of<unk>  include hematuria, abdominal distension, and abdominal pain. Surgery is the mainstay of treatment for<unk> . Prognosis of<unk>  is generally excellent.
Metanephric adenoma
Adrenal myelolipoma
Renal oncocytoma
Adrenal pseudocyst
Renal cyst
Adrenolipoma
Pituitary adenoma
Adrenal metastases