<unk> s are rare benign neoplasms that histologically consist of fat and bone marrow in varying proportions. In general, they are  small, unilateral, and hormonally inactive. They are rich in adipose tissue and hematopoietic elements. Most lesions are small and asymptomatic.<unk> s are usually detected incidentally in autopsy or by imaging studies performed for other reasons. Most tumors are unilateral, they show no predilection to one peculiar side. Symptoms of<unk>  include abdominal pain, haematuria, and abdominal fullness. Surgery is the mainstay of treatment.
Adrenolipoma
Fibroadenolipoma
Angiomyolipoma
Adrenal myelolipoma
Metanephric adenoma
Renal oncocytoma
Adrenocortical carcinoma
Ovarian fibroma